Acronyms - JJDS ENVIRONMENTAL

19 Sep 2007 ... SWMM - Stormwater Management Model. SWMP - Stormwater Management Plan .... TD - Technical Direction. TD - Toxic Dose. TDA - Texas ...

part of the document

PERLINK \l "_Toc177965078" N PAGEREF _Toc177965078 \h 256
HYPERLINK \l "_Toc177965079" O PAGEREF _Toc177965079 \h 286
HYPERLINK \l "_Toc177965080" P PAGEREF _Toc177965080 \h 306
HYPERLINK \l "_Toc177965081" Q PAGEREF _Toc177965081 \h 336
HYPERLINK \l "_Toc177965082" R PAGEREF _Toc177965082 \h 339
HYPERLINK \l "_Toc177965083" S PAGEREF _Toc177965083 \h 364
HYPERLINK \l "_Toc177965084" T PAGEREF _Toc177965084 \h 400
HYPERLINK \l "_Toc177965085" U PAGEREF _Toc177965085 \h 422
HYPERLINK \l "_Toc177965086" V PAGEREF _Toc177965086 \h 432
HYPERLINK \l "_Toc177965087" W PAGEREF _Toc177965087 \h 437
HYPERLINK \l "_Toc177965088" X PAGEREF _Toc177965088 \h 449
HYPERLINK \l "_Toc177965089" Y PAGEREF _Toc177965089 \h 450
HYPERLINK \l "_Toc177965090" Z PAGEREF _Toc177965090 \h 451
HYPERLINK \l "_Toc177965091" NUMBERS PAGEREF _Toc177965091 \h 452
HYPERLINK \l "_Toc177965092" SYMBOLS PAGEREF _Toc177965092 \h 453

A

A2LA - American Association for Laboratory Accreditation

AA - Accountable Area

AA - Adverse Action

AA - Advices of Allowance

AA - Assistant Administrator

AA - Associate Administrator

AA - Attainment Area

AA - Atomic Absorption

AAA - American Arbitration Association

AAA - American Automobile Association

AAA - Army Audit Agency

AAAS - American Association for the Advancement of Science

AAC - Acceptable Ambient Concentration

AAC - Air Armament Center

AAC - Airborne Activity Confinement

AACS - Airborne Activity Confinement System

AADI - Adjusted Acceptable Daily Intake

AADT - Average Annual Daily Traffic

AAEE - American Academy of Environmental Engineers

AAEM - American Academy of Environmental Medicine

AAES - American Association of Engineering Societies

AAFC - Agriculture and Agri-Food Canada

AAFES - Army and Air Force Exchange Service

AAL - Acceptable Ambient Limit

AAL - Applied Action Level

AANWR - Alaskan Arctic National Wildlife Refuge

AAOHN - American Association of Occupational Health Nurses

AAP - Affirmative Action Plan (Program)

AAP - Army Ammunition Plant

AAP - Asbestos Action Plan

AAP - Asbestos Action Program

AAPCO - American Association of Pesticide Control Officials

AAQA - Ambient Air Quality Standard

AAQCD - Ambient Air Quality Criteria Document

AAR - After Action Report

AAR/BOE - Association of American Railroads/Bureau of Explosives

AARC - Alliance for Acid Rain Control

AAROSLR - Associate Administrator for Regional Operations and State/Local Relations

AARP - American Association of Retired Persons

AAQA - Ambient Air Quality Standard

AAS - Atomic Absorption Spectroscopy

A&AS - Advisory and Assistance Services

AASF - Ammonia Scrubber Feed

AASHTO - American Association of State Highway Testing Officials

AASHTO - American Association of State and Highway Transportation Officials

AATCC - American association of Textile Chemists and Colorists

AATSR - Advanced Along Track Scanning Radiometer

AB - Afterburner

AB - Assembly Bill

ABA - American Bar Association

ABAG - Association of Bay Area Governments

ABC - Associated Builders and Contractors

ABCASH - Automated Bar Coding of Air Samples at Hanford

ABEL - EPA's computer model for analyzing a violator's ability to pay a civil penalty

ABES - Alliance for Balanced Environmental Studies (Solutions)

ABIH - American Board of Industrial Hygienists

ABLES - Adult Blood Lead Epidemiology and Surveillance

ABMA - American Boiler Manufacturers Association

ABS - Acrylonitrile-Butadiene-Styrene

ABT - Averaging, Banking and Trading Programs

ABTRES - Abatement and Residual Forecasting Model

ABWR - Advanced Boiling Water Reactor

AC - Actual Commitment

AC - Advisory Circular

AC - Nova Scotia Occupational Health and Safety Advisory Council

AC - Alternating Current

A/C - Air to Cloth Ratio

A&C - Abatement and Control

A&C - Abatements and Commitments

Ac - Actinium

ACA - Absolute Calibration Audit

ACA - American Conservation Association

ACAA - American Coal Ash Association

ACAQ - Advisory Committee on Air Quality

ACAVC - Advisory Committee on Agricultural and Veterinary Chemicals

ACBM - Asbestos-Containing Building Material (see ACM)

ACC - Administrative Committee on Coordination

ACC - Air Combat command

ACC - American Chemistry Council

ACCBD - Advisory Committee on Conservation of Biological Diversity

ACDA - Arms Control & Disarmament Agency

ACE - Alliance for Clean Energy

ACE - Any Credible Evidence

ACEC - American Consulting Engineers Council

ACEEE - American Council for an Energy Efficient Economy

ACER - Advisory Committee on Environmental Resources

ACESC - Automated Cost Engineering Support Center

acfm - Actual cubic feet per minute

ACGIH - American Conference of Government Industrial Hygienists

ACGLF - Automatic Center-of-Gravity Lift Fixture

AChE - Acetylcholinesterase

ACHP - Advisory Council on Historic preservation

ACI - Activated Carbon Injection

ACI - American Concrete Institute

ACI - Association for Conservation Information

ACIL - American Council of Independent Laboratories

ACIN - Abatement Control Identification Number

AC/IC - Area Command/Incident Command

ACL - Alternate Cleanup Level

ACL - Alternate Concentration Limit

ACL - Analytical Chemistry Laboratory

ACM - Asbestos-Containing Material

ACMRR - Advisory Committee on Matire Resources Research

ACO - Administrative Consent Order

ACO - Administrative Contracting Officer

ACO - Advanced Oxide Fuel Test

ACOE - Army Corps of Engineers

ACOMR - Advisory Committee on Oceanic Meteorological Research

ACP - Agriculture Control Program (Water Quality Management)

ACP - Air Carcinogen Policy

ACP - Area Contingency Plan

ACP - Aqueous Carbonate Process

ACQR - Air Quality Control Region

ACQUIRE - Aquatic Information Retrieval

ACQR - Air Quality Control Region

ACR - Acute Chronic Ratio

ACR - Agency Confirmation Agreement

ACRN - Accounting Classification Reference Number

ACS - American Chemical Society

ACS - Acid Scrubber

ACSAD - Arab Center for studies of Arid Zones and Drylands

ACSH - American Council on Science and Health

ACSM - American Congress on Surveying and Mapping

ACT - Action

ACT - Alternate Control Technique

ACT - Alternative Control Technology

ACT - Association for Composite Tanks

ACTS - Asbestos Contractor Tracking System

ACVEN - Advisory Committee on Vehicle Emissions and Noise

ACW - Asbestos-Containing Waste

ACWA - American Clean Water Association

ACWM - Asbestos-Containing Waste Material

ADA - Americans with Disabilities Act

ADA - Anti-Deficiency Act

ADABA - Acceptable Database

ADAPT - Adapt II Structural Activities

ADARD - Acid Deposition and Atmospheric Research Division

ADAS - Acid Deposition Assessment Staff

ADB - African Development Bank

ADB - Applications Data Base

ADB - Asian Development Bank

ADB - Assessment Database

ADBA - Adabas Administrator

ADC - Alternative Material Daily Cover

ADCO - Alternate Document Control Officer

ADCR - Automated Document Control Register

ADCRMG - Automated Document Control Register Management Group

ADD - Average Daily Dose

ADE - Acceptable Daily Exposure

ADEC - Alaska department of Environmental Conservation

ADEM - Alabama Department of Environmental Management

ADEQ - Arizona Department of Environmental Quality

ADGAS - Venting of Compressed Gases into an Absorbing or Reacting Media

ADI - Acceptable Daily Intake

ADID - Advance Identification

ADL - Acceptable Daily Intake

ADMATCH - Address Matching Software (GIS)

ADME - Adsorption/Distribution/Metabolism/Excretion

ADMIN - ERL-Athens Administrative System

ADP - Adenosine Diphosphate

ADP - Advanced Ducted Propfan Engines

ADP - AHERA Designated Person

ADP - Air-dried Pulp

ADP - Applications Database

ADP - Automated Data Processing

ADPCE - Arkansas Department of Pollution Control and Ecology

ADPCE - TS ADP Capital Equipment Inventory System

ADPE - Automated Data Processing Equipment

ADPS - Acid Deposition Planning Staff

ADQ - Audits of Data Quality

ADR - Alternative Dispute Resolution

ADR - Asbestos Disposal request

ADS - Acid Deposition Database

ADS - Air Data System

ADSO - Additional Duty Safety Officer

ADSS - Air Data Screening System

ADT - Average Daily Traffic

ADTA - Air Data Transducer Assembly

ADTRACS - Assistance Disputes

ADVHRR - Advanced Very High Resolution Radiometry

ADWR - Arizona Department of Water Resources

AE - Atomic Emissions

A/E - Architecture and Engineering Services

AEA - Atomic Energy Act (1954)

AEC - African Economic Community

AEC - Army Environmental Center

AEC - Associate Enforcement Counsels

AEC - Atomic Energy Commission

AED - Air Enforcement Division

AED - Analysis and Evaluation Division

AED - Automated External Defibrillator

AE&D - Advanced Engineering and Design

AEE - Alliance for Environmental Education

AEE - Association of Energy Engineers

AEE - Association of Environmental Education

AEERL - Air and Energy Engineering Research Laboratory

AEFA - Average Emission Factor Approach

AEGL - Acute Exposure Guideline Levels

AEHA - U.S. Army Environmental Hygiene Agency

AEI - Air emissions Inventory

AEIU - Annual Emissions Inventory Update

AEL - Acceptable Exposure Limit

AEL - Airborne Exposure Limit

AEM - Acoustic Emission Monitoring

AEP - Accrued Expenditures Paid

AEP - Associate Environmental Professional

AEPCO - Arizona Electric Power Cooperative

AEPS - Arctic Environmental Protection Strategy

AER - Allowable Emission Rate

AER - Appropriate Extent of Remedy

AERCO - Air Emission Reduction Credit Organization

AERE - Association of Environmental and Research Economists

AEROS - Aerometric and Emissions Reporting System

AERP - Aquatic Effects Research Program

AES - Advanced Encryption Standard

AES - Air and Energy Staff

AES - American Electroplating Society

AES - Analysis and Evaluation Staff

AES - Atomic Emission Spectrophotometry

AES - Auger Electron Spectrometry

AESA - Association of Environmental Scientists and Administrators

AESF - American Electroplaters and Surface Finishers Society

AET - Apparent effects Threshold

AETC - Air Education and Training Command

AEU - Accrued Expenditures Unpaid

AF - Absorption Fraction

AF - Acre Foot

AF - Air Force

AF - Atomic Formula

AFA - American Forestry Association

AFAA - Air Force audit agency

AFAFO - Air Force Accounting and Finance Office

AFARS - Army Federal Acquisition Regulation Supplemental

AFB - Air Force Base

AFBF - American Farm Bureau Federation

AFCA - Area Fuel Consumption Allocation

AFCEE - Air Force Center for Environmental Excellence

AFCEE/EC - AFCEE Environmental Conservation and Planning Directorate

AFD - Air filtration Device

AFDC - Alternative Fuels Data Center

AFDO - Award Fee Determination Official

AFEJ - Asian Forum of Environmental Justice

AFFARS - Air Force FAR Supplements

AFGE - American Federation of Government Employees

AFI - American Forest Institute

AFJ - Agreed Final Judgment

AFMC - Air Force Material Command

AFO - Accounting and Finance Office

AFO - Animal feed Operation

AFO - Area Field Office

AFPA - American Forest and Paper Association

AFR - Air/Fuel Ratio

AFR - Annual Financial Report

AFRC - Air Force Reserve Command

AFRCE - Air Force Regional Civil Engineers

AFRL - Air Force Research Laboratory

AFS - AIRS Facility Subsystem

AFSC - Air Force Space Command

AFSOC - Air Force Special Operations Command

AFTA - American Forest & Timber Association

AFUE - Annual Fuel Utilization Efficiency

AFUG - AIRS Facility Users Group

AFV - Alternate Fuel Vehicle

AG - Acid Gas

AG - Attorney General

Ag - Silver

AGA - American Gas Association

AGC - Associate General Counsel

AGC - Associated General Contractors

AGCA - Associated General Contractors of America

AGD - Administrative Guidance Document

AGDRs - Annual Groundwater Data Reports

AGDS - Automated Grants Documentation System

AGNPS - Agricultural Non-Point Source Model

AGR - Advanced Gas Reactor

AGROSTAT - FAO Agricultural Statistics Database

AGST - Above-Ground Storage Tanks

AH - Allowance Holder

AH - Aryl Hydrocarbon

AHD - Activity Hazard Document

AHE/DB - Acute Hazardous Events Data Base

AHERA - Asbestos Hazard Emergency Response Act (TSCA, 1986)

AHFS - American Hospital Formulary Service

AHH - Aryl Hydrocarbon Hydroxylase

AHM - Acutely Hazardous Material

AHM - Allowance Monthly Holder

AHQ - Acute Hazard Quotient

AhR - Aryl Hydrocarbon Receptor

AHU - Air Handling Unit

AHW - Acutely Hazardous Waste

AI - Accident Investigator

AI - Active Ingredient (generally in regards to pesticides)

AI - Artificial Intelligence

A&I - Alternative and Innovative (Wastewater Treatment System)

AIA - Air Intelligence Agency

AIA - American Institute of Architects

AIA - Asbestos Information Association

AIAA - American Institute of Aeronautics and Astronautics

AIADA - American International Automobile Dealers Association

AIBS - American Institute of Biological Sciences

AIC - Acceptable Intake - Chronic

AIC - Active to Inert Conversion

AIChE - American Institute of Chemical Engineers

AlCPA - American Institute of Certified Public Accountants

AICR - Alternative Internal Control Review

AICS - Australias National Chemical Inventory

AICUZ - Air Installation Compatible Use Zones

AID - Acceptable Intake Subchronic

AID - Agency for International Development

a-ID - Automatic IDs

AIDE - Annie Interactive Development Environment

AIDMO - Arab Industrial Development and mining Organization

AIDS - Accident/Incident Data System

AIDS - Acquired Immunodeficiency Syndrome

AIEC - Acute Inhalation Exposure Criteria

AIEO - American Indian Environmental Office

AIF - Atomic Industrial Health Forum

AIG - Assistant Inspector General

AIHA - American Industrial Health Association

AIHA - American Industrial Hygiene Association

AIHC - American Industrial Health Council

AIHCE - American Industrial Hygiene Conference and Exposition

AILSP - American Indian Lands Environmental Support Project

AIM - Architectural and Industrial Maintenance

AIM - Area of Initial Mixing

AIM - Asia Pacific Integrated Model

AIME - American Institute of Metallurgical, Mining and Petroleum Engineers

AIP - Auto-ignition Point

AIRDOS - Atmospheric Dispersion of Radionuclides

AIRMON - Atmospheric Integrated Research Monitoring Network

AIR RISC - Air Risk Information Support Center

AIRS - Accident and Illness Reporting System

AIRS - Aerometric Information Retrieval System

AIRS - Air Quality Subsystem

AIS - Acceptable Intake for Subchronic Exposures

AIS - Address Information System

AIS - Asbestos Information System

AIS - Automated Information System

AISC - American Institute of Steel Construction

AISCM - Advanced Information System for Career Management

AISI - American Iron and Steel Institute

AISI - Automated Information Security

AIT - Asian Institute of Technology

AIT - Auto-Ignition Temperature

AL - Acceptable Level

AL - Action Level

AL - Administrative Leave

Al - Aluminum

AL - Annual Leave

ALA - American League of Anglers

ALA - American Lung Association

ALA - Delta-Aminolevulinic Acid

ALA-O - Delta-Aminolevulinic Acid Dehydrates

ALAPCO - Association of Local Air Pollution Control Officers (Officials)

ALAPO - Association of Local Air Pollution Control Officers (Officials)

ALARA - As Low as Reasonably Achievable

ALARP - As Low as Reasonably Practicable

ALATEP - As Low as Technically and Economically Practicable

ALC - Application Limiting Constituent

ALCM - associate in Loss Control Management

ALD-O - Delta-Aminolevulinic Acid Dehydrates

ALEC - American Legislative Exchange Council

ALECSO - Arab League Educational, Cultural and Scientific Organization

ALI - Annual Limits on Intake

ALIDES - Central American Alliance for Sustainable Development

ALJ - Administrative Law Judge

ALL - Anterior Longitudinal Ligament

ALMS - Atomic Line Molecular Spectroscopy

ALOHA - Areal Locations of Hazardous Atmospheres

ALPM - Actual Liters per Minute

ALPS - EPA Athens, GA Lab Planning System

ALR - Action Leakage Rate

ALS - Advanced Life Support

ALS - American Littoral Society

ALT-SEA - Assembly Line Test and Selective Enforcement Audit Data

AM - Action Memorandum

AM - Animal Month

Am - Americium

AMA - American Medical Association

AMAP - Arctic Monitoring and Assessment Program

AMARC - Aerospace Maintenance and Regeneration Center

AMAS - Administrators Management Accountability System

AMBIENS - Atmospheric Mass Balance of Industrially Emitted and Natural Sulfur

AMC - Air Mobility Command

AMC - American Mining Congress

AMC - Army Material Command

AMCA - Air Movement and Control Association

AMCCOM - U.S. Army Armament, Material, and Chemical Command

AMCEN - African Ministerial Conference on the Environment

AMD - Acid Mine Drainage

AMD - Air Management Division

Amd. - Amendment

Amends. - Amendment

AMEDAS - Automated Meteorological Data Acquisition System

AMEM - ADL Migration Estimation Model

AMFA - Alternative Motor Fuels Act

AMIS - Air Management Information System

AML - Arc Macro Language

AMLGM - Amalgamation of Liquid, Elemental Mercury Contaminated with Radioactive Materials Utilizing Inorganic Reagents

AMLR - Annual Metal Loading Rate

AMOC - Alternate Means or Method of Control

AMOS - Air Management Oversight System

AMP - Asbestos Management Planner

AMPS - Automatic Mapping and Planning System

AMS - Administrative Management Staff

AMS - American Meteorological Society

AMS - Army Map Service

AMS - Automated Meteorological Station

AMSA - Association of Metropolitan Sewer Agencies

AMS-AIRS - Area/Mobile Source Subsystem

AMSD - Administrative and Management Services Division

AMSI - Advanced Monitoring Systems Initiative

AMSO - Acquisition Management Staff Officer

AMT - Air Monitoring Technician

AMTIC - Ambient Monitoring Technical Information Center

AMU - Agricultural Management Unit

AMURS - Automated manpower Utilization Reporting System

ANC - Acid Neutralizing Capacity

ANDA - Abbreviated New Drug Application

ANEC - American Nuclear Energy Council

ANES - Alternative Nonopacity Emission Standard

ANILCA - Alaska National Interest Lands Conservation Act

ANL - Argonne National Laboratory

AnnAGNPS - Annualized Agricultural Non-Point Source Model

ANOVA - Analysis of Variance

ANPR - Advance Notice of Proposed Rulemaking

ANPR - Advanced Notice of Public Response

ANRHRD - Air, Noise and Radiation Health Research Division

ANPRM - Advance Notice of Proposed Rulemaking

ANS - American Nuclear Society

ANSI - American National Standards Institute

ANSS - American Nature Study Society

Anti-C - Anti-contamination

ANWR - Arctic National Wildlife Refuge

ANZECC - Australian and New Zealand Environment and Conservation Council

AO - Action Officer

AO - Administrative Officer

AO - Administrative Order

AO - Area Office

AO - Awards and Obligations

AOAC - Association of Official Analytical Chemists

AOAD - Arab Organization for Agricultural Development

AOB - Annual Operating Budget

AOC - Abnormal Operating Conditions

AOC - Administrative Order on Consent

AOC - Area of Concern

AOC - Area of Contamination

AOD - Argon-Oxygen Decarbonization

AOI - Area of Impact

AOL - Alternate Opacity Limit

AOML - Atlantic Oceanographic and Meteorological Laboratory

AOO - Accounting Operations Office

AOO - American Oceanic Organization

AOR - Alternate Opacity Request

AOS - Audit Operations Staff

AOT - Advanced Oxidation Technology

AOX - Adsorbable Organic Halides

AP - Accounting Point

AP - Aquifer Protection

AP-42 - Compilation of Air emission Factors

APA - Acid Precipitation Act (1980)

APA - Administrative Procedures Act

APA - American Pharmaceutical Association

APA - American Planning Association

APAR - Affected Property Assessment report

APC - Air Pollution Control

APCA - Air Pollution Control Act (1955)

APCA - Air Pollution Control Association

APCD - Air Pollution Control Device

APCD - Air Pollution Control District

APC&E - Arkansas Pollution Control and Ecology

APCEC - Arkansas Pollution Control and Ecology Commission

APCO - Air Pollution Control Officer

APCS - Air Pollution Control System

APD - Application for Permit to Drill

APDS - Automated Procurement Documentation System

APENS - Association of Professional Engineers of Nova Scotia

APER - Air Pollution Emissions Report

APF - Appropriated Fund

APF - Assigned Protection Factor

APGR - Ann Arbor AP-42 Program

APHA - American Public Health Association

APHIS - Animal and Plant Health Inspection Service

API - Aerial Photo Interpretation

API - American Paper Institute

API - American Petroleum Institute

API - Application Programming Interface

APIC - Army Performance Improvement Criteria

APIH - Association of Professional Industrial Hygienists

APL - Abductor Pollicis Longus

APL - Aqueous Phase Liquid

APMD - Automated performance Monitoring of Dams

APME - Association of Plastics Manufacturers in Europe

APO - Army Post Office

APO - Average Passenger Occupancy

APP - Annual Performance Plan

APP - Aquifer Protection Plan

APPA - American Public Power Association

APPA - Association of Physical Plant Administrators

APPCD - Air Pollution Prevention and Control Division

APPEN - Asia-Pacific Peoples Environment Network

APR - Air Purifying Respirator

APR - Army Procurement Request

APRAC - Urban Diffusion Model for Carbon Monoxide from Motor Vehicle Traffic

APS - ADP Planning System

APS - Atmospheric Pressure Sensor

APS - Automated Personnel System

APT - Associated Pharmacists and Toxicologists

APTA - American Public Transit Association

APTI - Air Pollution Training Institute

APTIC - Air pollution Technical Information Center

APTMD - Air, Pesticides, and Toxics Management Division

APTRA - Administrative Procedures and Texas Register Act

APTS - Advanced Public Transportation Systems

APWA - American Public Works Association

APWP - Actual Price of Work performed

AQ - Acquisition

AQ-7 - Non-reactive Pollutant Modeling

AQA - Approved Quality Assurance

AQQC - Air Quality Advisory Committee

AQCA - Air Quality Control Act (1967)

AQCCT - Air Quality Criteria and Control Techniques

AQCD - Air Quality Criteria Documents

AQCP - Air Quality Control Program

AQCR - Air Quality Control Region

AQD - Air Quality Data

AQD - Air Quality Digest

AQDHS - Air Quality Data Handling System

AQDM - Air Quality Display Model

AQIA - Air Quality Impact Assessment

AQIL - Annual Quality Implementation List

AQL - Acceptable Quality Level

AQMA - Air Quality Maintenance Area

AQMD - Air Quality Management District

AQMP - Air Quality Management Plan

AQMP - Air Quality Maintenance Plan

AQMP - Air quality Modeling Procedures

AQM1 - Region 1 Air Quality Models

AQM2 - Region 2 Puerto Rico EQB Air Quality Model

AQPS - Air Quality Pollution Standards

AQRV - Air Quality Related Value

AQS - Air quality Subsystem

AQSM - Air Quality Simulation Model

AQSY - Ann Arbor Air Quality System

AQTAD - Air Quality Technical Assistance Demonstration

AQUIFR - Artificial Aquifer Data Collection System

AQUIRE - Aquatic Information Retrieval

AR - Administrative Record

AR - Army Regulation

Ar - Argon

A&R - Air and Radiation

ARA - Assistant Regional Administrator

ARA - Associate Regional Administrator

ARAC - Acid Rain Advisory Committee

ARACT - Alternate Reasonably Available Control Technology

ARAP - Aquatic Resources Alternative Value

ARAR - Applicable, Relevant and Appropriate Requirements

ARB - Air Resources Board

ARC - Agency Ranking Committee

ARC - Anticipated Residue Concentration

ARCC - American Rivers Conservation Council

ARCH - Air Rotary Casing Hammer

ARCS - Alternative Remedial Contract Strategy

ARCS - Assessment and Remediation of Contaminated Sediments

ARD - Air & Radiation Division

ARD - Aquatic Resource Division

ARE - Acute Respiratory Exposures

AREAL - Atmospheric Research and Exposure Assessment Laboratory

AREEs - Areas Requiring Environmental Evaluation

AREL - Acute Reference Exposure Level

ARET - Accelerated Reduction/Elimination of Toxics

ARG - American Resources Group

ARH - EPAs Acid Rain Hotline

ARI - Air Conditioning and refrigeration Institute

ARIP - Accidental Release Information Program

ARL - Air Resources Laboratory

ARL - Air Resources Laboratory, Special Operations and Research Division

ARM - Air Resources Management

ARMS - Automated review management system

ARNEWS - Acid Rain National Early Warning Systems

ARO - After Receipt of Order

ARO - Alternate Regulatory Option

ARPO - Acid Rain Policy Office

ARPS - Atmospheric Research Program Staff

ARRO - Acid Rain Research Program

ARRP - Acid Rain Research Program

ARRPA - Air Resources Regional Pollution Assessment

ARS - Agricultural Research Service

ARTAH - Assessment of Risks Through Analysis of Hazards

ARTT - Association of Responsible Thermal Treatment

ARU - Asbestos Reporting Unit

ARV - Aeration Room Vent

ARZ - Auto-Restricted Zone

AS - Absorber

AS - Agricultural Water Supply

AS - Area Source

As - Arsenic

ASA - Acoustical Society of America

ASA - Accredited Safety Auditor

ASA - Air Stagnation Advisory

ASA - American Society of Agronomy

ASAE - American Society of Agriculture

ASAP - As Soon As Possible

ASB - American Standards Branch

ASB - Analytical Services Branch

ASBCA - Armed Services Board of Contract Appeals

ASBS - Areas of Special Biological Significance

ASC - Aeronautical Systems Center

ASC - Area Source Category

ASC - Total Ascorbate

ASCE - American Society of Civil Engineers

ASCII - American Standard Code for Information Interchange

ASCP - American Society of Consulting Planners

ASCS - Agricultural Stabilization and Conservation Services

ASD - Administrative Services Division

ASD - Analysis and Support Division

ASDWA - Association of State Drinking Water Administrators

ASE - National Institute of Automotive Service Excellence

ASEAN - Association of South-East Asian Nations

ASF - Atmospheric Stabilization Framework

ASG - Area Support Group

ASH - Air-Spaced Hydrocyclone

ASHAA - Asbestos in Schools Hazard Abatement Act (1984)

ASHAAIS - Asbestos in Schools Hazard Abatement Automated Information System

ASHARA - Asbestos School Hazard Abatement Reauthorization Act

ASHCAT - Association of Safety & Health Consultants

ASHP - American Society of Hospital Pharmacists

ASHRAE - American Society for Heating, Refrigeration and Air Conditioning Engineers

ASIA - Assistant Secretary for Information Analysis

ASIWPCA - Association of State and Interstate Water Pollution Control Administrators

ASL - Above Sea Level

ASM - Acceleration Simulation Mode

ASMD - Atmospheric Sciences Modeling Division

ASMDHS - Airshed Model Data Handling System

ASMC - American Society of Military Comptrollers

ASME - American Society of Mechanical Engineers

ASME - American Society of Mining Engineers

ASN - American Society of Naturalists

ASNT - American Society of Nondestructive Testing

ASOC - Antarctic and Southern Ocean Coalition

ASOEN - ASEAN Senior Officials on the Environment

ASOII - Annual Survey of Occupational Injuries and Illnesses

ASP - Associate Safety Professional

ASPA - American Society of Public Administration

ASPECT - Airborne Spectral Photo-Imaging of Environmental Contaminants

ASPEI - Association of South Pacific Environmental Institutions

ASPEN - Assessment System for Population Exposure Nationwide

ASPIS - Abandoned Site Program Information System

ASQ - Allowable Sale Quantity

ASQC - American Society for Quality Control

ASR - Aquifer Storage Retrieval

ASR - Atmosphere Supplying Respirator

ASRL - Atmospheric Sciences Research Laboratory

ASRS - Aviation Safety Reporting System

ASSE - American Society of Safety Engineers

ASSE - American Society of Sanitary Engineers

AST - Aboveground Storage Tank

AST - Advanced Secondary (Wastewater) Treatment

AST - Atlantic Strike Team

ASTDR - Agency for Toxic Substances and Disease Registry

ASTDR-HazDat - ASTDR Hazardous Substance Release/Health Effects Database

ASTER - Assessment Tool for the Evaluation of Risk

ASTFP - Aboveground Storage Tank Facility Plan

ASTHO - Association of State and Territorial Health Officers

ASTM - American Society for Testing and Materials

ASTS - Asbestos in Schools Tracking System

ASTSWMO - Association of State and Territorial Solid Waste Management Officials

ASUS - Administrative Support/Utilization

ASW - Ammonia Scrubber Water

ASWS - Air-Support Weather Shield

AT - Advanced Treatment

AT - Alpha Track Detection

AT - Averaging Time

AT - Ash Trap

At - Astatine

A&T - Acquisition and Technology

ATA - American Trucking Association

ATB - Asphalt-Treated Base

ATC - Air Traffic Control

ATC - Area Training Center

ATC - Automatic Temperature Compensation

ATCM - Air Toxics Control Measure

ATCM - Antarctic Treaty Consultative Meeting

ATCS - Audit Tracking and Control System

ATD - Air and Toxics Division

ATERIS - Air Toxics Exposure and Risk Information System

ATM - Air Turbine Motor

ATM - Asynchronous Transfer Mode

atm - Atmosphere

ATMI - American Textile Manufacturing Institute

ATMS - Advanced Traffic Management Systems

ATP - Adenosine Triphosphate

ATP - Antitampering Program

ATPB - Asphalt-Treated Permeable Base

ATR - Agency Technical Representative

ATRMRD - Air Toxics and Radiation Monitoring Research Division

ATRT - Air Toxics Review Team

ATRV - Air Toxics Response Vehicle

ATS - Action Tracking System

ATS - Administrator's Tracking System

ATS - Allowance Tracking System

ATS - American Travel Survey

ATS - Antarctic Treaty System

ATS - Assignment Tracking System

ATS - Automated Targeting System

ATS - Automated Tracking System

ATSDR - Agency for Toxic Substances and Disease Registry

ATSR - Along Track Scanning Radiometer

Att. - Attachment

Atmt. - Attachment

ATTF - Air Toxics Task Force

ATTIC - Alternate treatment Technology Information Clearinghouse

ATTS - Agency Technology Transfer Staff

ATV - All Terrain Vehicle

AU - Analysis Units

AU - Assessment Unit

Au - Gold

AUB - American-Ukraine Biotech IV

AUF - Area Use Factor

AUM - Animal Unit Month

AUR - Air Unit Risk

AUSA - Assistant U.S. Attorney

AUSM - Advanced Utility Simulation Model

A/V - Audiovisual

AVB - Atmospheric Vacuum Breaker

AVCS - Automatic Vehicle Control Systems

AVD - Audio-Visual Division

Ave - Average

AVHRR - Advanced Very High Resolution Radiometer

AVIRIS - Airborne Visible/Infrared Imaging Spectrometer

AVL - Automatic Vehicle Location

AVO - Audible/Visual/Olfactory

AVS - Acid-Volatile Sulfide

AVS - American Vacuum Society

AW - Atomic Weight

AWBERC - Andrew W. Breidenbach Environmental Research Center

AWCBC - Association of Workers Compensation Boards of Canada

AWFCO - Automatic Waste Feed Cutoff

AWFCS - Automatic Waste Feed Cutoff System

AWI - Animal Welfare Institute

AWISE - Association of Women in Science and Engineering

AW&MA - Air and Waste Management Association (formerly, Air Pollution Control Association)

AWMD - Air and Waste Management Division

AWO - Animal Welfare Officer

AWOIS - Automated Wreck and Obstruction Information System

AWOL - Absent Without Leave

AWPA - American Wood Preservers Association

AWPI - American Wood Preservers Institute

A/WPR - Air/Water Pollution Report

AWQC - Ambient Water-Quality Criteria

AWRA - American Water Resources Association

AWS - American Welding Society

AWS - Automatic Weather Station

AWSAR - Annual Whole Sludge Application Rate

AWT - Advanced Wastewater Treatment

AWWA - American Water Works Association

AWWARF - American Water Works Association Research Foundation

AWWUC - American Water Works Utility Council

AX - Administrator's Office
B

BA - Budget Activity

BA - Budget Authority

BA - Budget Authorization

Ba - Barium

BAA - Board of Assistance Appeals

BAA - Broad Agency Announcement

BAAN - Budget Authorization Account Number

BAAQMD - Bay Area Air Quality Management District

BAC - Best Available Controls

BAC - Bioremediation Action Committee

BAC - Biotechnology Advisory Committee

BAC - Budget Activity Code

BACER - Biological and Climatological Effects Research

BACM - Best Available Control Measures

BACT - Best Available Control Technology

BADCT - Best Available Demonstrated Control Technology

BADT - Best Available Demonstrated Technology

BAF - Bioaccumulation Factor

BALLERINA - Baltic Sea Region On-line Environmental Information

BAM - Beta Attenuation Monitor

BANANA - Build Absolutely Nothing Anywhere Near Anybody

BAP - Benefits Analysis Program

BaP - Benzo(a)pyrene

BAPL - Bettis Atomic Power Laboratory

BAPS - Baseline Air Pollution Station

BAQC - Bureau of Air Quality Control

BAR - Bureau of Automotive Repair

BARCIS - Barcode Information System

BARCT - Best Available Retrofit Control Technology

BARD - Boating Accident Report Database

BARF - Best Available Retrofit Facility

BART - Bay Area Rapid Transit

BART - Best Available Retrofit Technology

BASINS - Better Assessment Science Integration Point and Nonpoint Sources

BASIS - Battelle's Automated Search Information System

BASP - Best Available sampling Port

BASS - Bioaccumulation and Aquatic System Simulator

BAT - Best Available Technology

BAT - Best Available Treatment

BATEA - Best Available Technology Economically Achievable

BATNEEC - Best Available Technology Not Entailing Excessive Cost

BBAP - Behavior Based Accident Prevention Program

BBI - Oa-Cincinnati Foreign Tape

BBP - Bloodborne Pathogens

BBS - Behavior Based Safety

BBS - Bulletin Board Service

BC - Benefit-Cost

BC - Branch Chief

BCA - Bilateral Compliance Agreement

BCAS - Bangladesh Center for Advanced Studies

BCC - Bioaccumulative Chemical of Concern

BCC - Blind Carbon Copy

BCCD - Bonneville County Civil Defense

BCCM - Board for Certified Consulting Meteorologists

BCDC - Bay Area Conservation and Development Commission

BCF - Bioconcentration Factor

BCL - Battelle Columbus Laboratory

BCOE - Biddability, Constructability, Operability, and Environmental

BCP - Bioconcentration Factor

BCPCT - Best Conventional Pollutant Control Technology

BCPT - Best Conventional Pollutant Technology

BCR - Benefit Cost Ratio

BCRLF - Brownfields Cleanup

BCSP - Board of Certified Safety Professionals

BCT - Best Control Technology

BCT - Best Conventional (Pollutant Control) Technology

BD - Budget Division

BDAT - Best Demonstrated Achievable Technology

BDAT - Best Demonstrated Available Technology

BDCT - Best Demonstrated Control Technology

BDL - Below Detectable Level

BDT - Best Demonstrated Technology

Be - Beryllium

BEA - Bureau of Economic Advisors

BEACH - Beaches Environmental Assessment and Coastal Health

BEAR - Barents Euro-Arctic Region

BECC - Border Environmental Cooperation Commission

BEDI - Brownfields Economic Development Initiative

BEE - Baseline Ecological Evaluation

BEEF - Big Explosives Experimental Facility

BEEP - Benignus EEG Evoked Potential

BEF - Bioaccumulation Equivalency Factor

BEHI - Bank Erosion Hazard Index

BEHP - Bis(2-ethylhexyl) phthalate

BEI - Biological Exposure Index

BEIS2 - Biogenic Emissions System Inventory Version 2

BEJ - Best Engineering Judgment

BEJ - Best Expert Judgment

BEL - Basic Equipment List

BENCHMARC - Biodegradation of Environmental Chemicals Modeled with Aquatic, Relative-Rate Coefficients

BEP - Black Employment Program

BEP - bis (2-ethylhexyl) phthalate

BERH - Board of Engineers for Rivers and Harbors

BF - Bonafide Notice of Intent to Manufacture or Import

B & F - Building and Facilities

bg - Billion Gallons

BGS - Balanced Groundwater Scenario

BGS - Below Ground Surface

BHC - Benzene Hexachloride

BHC - Bromohydrocarbon

BHP - Biodegradation, Hydrolysis, and Photolysis

BI - Background Information

BI - Business Interruption

Bi - Bismuth

BIA - Bureau of Indian Affairs

BID - Background Information Document

BID - Buoyancy Induced Dispersion

BIF - Boiler and Industrial Furnace

BIIT - Business Information Integration technology

BIOCARB - Bags of Balanced Microbes Embeded in Charcoal

BIODG - Biodegradation of Organics or Non-metallic Inorganics

BIOLOGS - Biological Data Management System

BIOMASS - Biological Investigations of Marine Antarctic Systems and Stocks

BIOPLUME - Model to Predict the Maximum Extent of Existing Plumes

BIOS - Biological Data System

BIOS - Natural Biological Information System

BIOSTU - Bioassay Studies

BIS - Bio-geographic Information System

Bk - Berkelium

BL - Baseline

BLAST - Building Load Analysis and System Thermodynamic Center

BLDG - Building

BLEVES - Boiling Liquid Expanding Vapor Explosions

BLIS - BACT/RACT/LAER Information System

BLM - Bureau of Land Management

BLOB - Biologically Liberated Organo-Beasties

BLOS - Bicycle Level of Service

BLOSA - Beam Line Operations and Safety Awareness

BLP - Bromine-Loading Potential

BLP - Buoyant Line and Point Source Model

BLR - Basic Liquid Resins

BLRA - Baseline Risk Assessment

BLRA/CMS - Baseline Risk Assessment/Corrective Measures Study

BLS - Basic Life Support

BLS - Bureau of Labor Statistics

BMD - Benchmark Dose

BMDL - Benchmark Dose Level

BMFP - Beach Maintenance Fund Program

BMI - Body Mass Index

BMP - Best Management Practice

BMR - Baseline Monitoring Report

BMU - Bear Management Unit

BNA - Base Neutral/Acid

BNA - Biological Natural Attenuation

BNA - Bureau of National Affairs

BNFL - British Nuclear Fuels Limited, Inc.

BNL - Benthic Nepheloid Layer

BO - Budget Obligations

BOA - Basic Ordering Agreement

BOA - Blank Ordering Agreement

BOAC - Bill Office Address Code

BOC - United States/Canada Binational Operations Committee

BOCA - Building Officials and Code Administrators International

BOD - Basic Oxygen Demand

BOD - Bid Opening Date

BOD - Biochemical Oxygen Demand

BOD - Biological Oxygen Demand

BOD5 - Biological Oxygen Demand (5 day)

BOE - Bureau of Environment

BOF - Basic Oxygen Furnace

BOHS - British Occupational Hygiene Society

BOM - Bureau of Mines

BOP - Basic Oxygen Process

BOPF - Basic Oxygen Process Furnace

BOR - Bureau of Reclamation

BORAX-V - Boiling Water Reactor Experiment

BOULD - Boulder Remote Data Collection and Control System

BOY - Beginning of Year Violator

BOYSNC - Beginning of Year Significant Non-Compliers

BP - Barometric Pressure

BP - Boiling Point

BPA - Beaumont-Port Arthur Non Attainment Area

BPA - Blanket Purchasing Agreement

BPAC - Budget Program Activity Code

BPATT - Best Practicable Available Treatment Technology

BPCS - Basic Process Control System

BPCT - Best Practicable Control Technology

BPCTCA - Best Practicable Control Technology Currently Available

BPD - Basis and Purpose Document

BPHE - Baseline Public Health Evaluation

BPI - Bureau of Plant Industry

BPI - Business Performance Indicator

BPIP - Building Profile Input Program

BPJ - Best Professional Judgment

BPR - Business Process Review

BPT - Best Practicable Technology

BPT - Best Practicable Control Technology

BPT - Best Practicable Treatment

BPT - Best Practice Technology

BPWTT - Best Practical Wastewater Treatment Technology

BR - Biennial Report

BR - Business Roundtable

BR - Butyl Rubber

Br - Bromine

BRA - Baseline Risk Assessment

BRAC - Base Realignment and Closure

BRAVO - Big Bend Aerosol and Visibility Observational Study

BREF - BAT Reference Document

BRI - Building Related Illness

BRS - Bibliographic Retrieval Service

BRS - Biennial Reporting System

BS - Bilateral Staff

BS - British Standards

BSAC - Biotechnology Science Advisory Committee

BSAF - Sediment Bioaccumulation Factor

BSAI - Bearing Sea and Aleutian Islands Management Area

BSC - Biological Safety Cabinet

BSC - Biological Sciences Center

BSCATS - Bear Sydney Control Adaptive Traffic System

BSI - Body Substance Isolation

BSI - British Standards Institute

BSIC - Bioaccumulative Substance of Immediate Concern

BSO - Benzene Soluble Organics

BS&W - Bottom Sediments and Water

BTAGS - Biological Technical assistance group Coordinators

BTCS - Bear Traffic Control System

BTEX - Benzene, Toluene, Ethylene and Xylene

BTF - Beyond the Floor

BTOC - Below Top of Casing

BTS - Bureau of Transportation Statistics

Btu or BTU - British Thermal Unit

BTX - Benzene, Toluene, Xylenes

BTZ - Below the Treatment Zone

BU - Bargaining Unit

BUBBLE - Use of Alternative Emissions Limits to Meet SIPPS/NSPS Requirements

BUD - Benefits and Use Division

BUN - Blood Urea Nitrogen

BUST - Bureau of Underground Storage Tanks

BUSTR - Ohio Bureau of Underground Storage Tanks

BVN - Bureau Voucher Number

BW - Body Weight

B&W - Black and White

BWa - Body Weight

BWh - Body Weight

BWNT - Babcock and Wilcox Nuclear Technologies

BWON - Benzene Waste Operations NESHAP

BWR - Boiling Water Reactor

BXA - Bureau of Export Administration

BY - Budget Year
C

C - Carbon

°C - Celsius

C - Exposure Concentration

C - Cyclone

CA - Carbon Absorber

CA - Citizen Act

CA - Competition Advocate

CA - Cooperative Agreements

CA - Corrective Action

Ca - Calcium

CAA - Clean Air Act (1970, amended in 1977, and again in 1990)

CAA - Combined Available Ammonia

CAA - Compliance Assurance Agreement

CAAA - Clean Air Act Amendments (of 1990)

CAAAC - Clean Air Act Advisory Committee

CAALL-OSH - Canadian Association of Administers of Labour Legislation Occupational Safety and Health Sub-Committee

CAAP - Compliance Audit Amnesty Program

CAASE - Computer Assisted Area Source Emissions

CAB - Civil Aeronautics Board

CAB - Community Advisory Board

CAC - Command and Control

CAC - Contract Audit Coordinator

CaCl2 - Calcium Chloride

CACS - Contract Audit Closing Statements

CACW - Cumulative Allowable Cost worksheet

CAD - Characterization and Assessment Division

CAD - Computer Aided Design

CAD - Computer Aided Dispatch

CAD - Computer Aided Drafting

CAD - Confined Aquatic Disposal

CAD - Corrective Action Directive

CADD - Computer Aided Drafting and Design

CADDIS - Casual Analysis/Diagnosis Decision Information System

CADRE - Computer Aided Data Retrieval and Evaluation Software

CAEDYM - Computational Aquatic Ecosystem Dynamics Model

CAEP - Committee on Aviation and Environmental Protection

CAER - Chemical Awareness and Emergency Response Program

CAER - Community Awareness and Emergency Response Program

CAFÉ - Corporate Average Fuel Economy

CAFF - Conservation of Arctic Flora and Fauna

CAFO - Concentrated Animal Feeding Operation

CAFO - Concentrated Animal Feedlot

CAFO - Consent Agreement/Final Order

CAFR - Comprehensive Annual Financial Report

CAG - Cancer Assessment Group

CAG - Carcinogenic Assessment Group

CAG - Community Advisory Groups

CAGE - Coating Alternatives Guideline

CAGE - Commercial and Government Entity

CAGE - Commercial and Government Entity Code

CAHs - Chlorinated Aliphatic Hydrocarbons

CAIR - Comprehensive Assessment Information Rule

CAIRD - Cohort Analysis of Increased Risks Deaths Model

CalDPR - California Department of Pesticide Regulation

CalEPA - California Environmental Protection Agency

CALINE - California Line Source Model

CalOSHA - California Division of Occupational Safety and Health

CALTRANS - California Department of Transportation

Cal WET - California Waste Extraction Test

CAM - Compliance Assurance Monitoring

CAM - Computer Assisted Mapping

CAM - Contract Audit Manual

CAMDS - Chemical Agent Munitions Disposal System

CAMEO - Computer Aided Management of Emergency Operations

CAMI - Civil Aerospace Medical Institute

CAMP - Continuous Air Monitoring Program

CAMRE - Council of Arab Ministers Responsible for the Environment

CAMS - Continuous Air Monitoring Station

CAMU - Combined Area Management Units

CAMU - Corrective Action Management Unit

CAMx - Comprehensive Air quality Model with Extensions

CAN - Common Account Number

CANAL - Love Canal & Data Handling System

Canmet - Canada Centre for Mineral and Energy Technology

CANS - Construction Association of Nova Scotia

CAO - Contract Administration Office

CAO - Corrective Action Order

CAOO - Cincinnati Accounting Operations Office

CAP - Capacity

CAP - Capacity Assurance Plan

CAP - Civil Air Patrol

CAP - Clean Air Plan

CAP - College of American Pathologists

CAP - Common Agricultural Policy of the European Union

CAP - Compliance Advisory Panel

CAP - Compliance Audit Program

CAP - Continuing Authorities Program

CAP - Corrective Action Plan

CAP - Cost Allocation Procedure

CAP - Criteria Air Pollutant

CAPA - Critical Aquifer Protection Area

CAPCA - Carolina Air Pollution Control Association

CAPCOA - California Air Pollution Control Officers Association

CAPDET - Procedure for Design and Evaluation of TWKS

CAPI - Clean Air Power Initiative

CAPMON - Canadian Air and Precipitation Monitoring Network

CAPNLOIS - Corrective Action Plans and Loss of Interim Status

CAR - Contract administration Report

CAR - Corrective Action Report

CARA - Conservation and Reinvestment Act

CARAT - Committee to Advise on Reassessment and Transition

CARB - California Air Resources Board

CARD - Contract Laboratory Program Analytical Results Database

CARE - Clean Air Responsibility Enterprise

CARF - Corrective Action Response Form

CARMEN - Cause-effect Relation Model for Environmental Policy Negotiations

CARPOOL - Carpool System

CARPS - Computerized Accidental Release Planning System

CARS - Carcinogen System

CARS - Corrective Action Reporting System

CAS - Carbon Adsorption System

CAS - Center for Automotive Safety

CAS - Chemical Abstract Service

CAS - Correction Action Specialist

CASAC - Clean Air Scientific Advisory Committee

CASEREP - Field Office Inspection Data Base

CASETRK - FIFRA and TSCA Case Tracking System

CASI - Center for AeroSpace Information

CASLP - Conference on Alternative State and Local Practices

CASR - Chemical Activities Status Report

CASRN - Chemical Abstract Services Registry Number

CASTNET - Clean Air Status and Trends Network

CASU - Cooperative Administrative Support Units

CAT - Clean Air Trust

CAT - Computerized Axial Tomography

CATC - Clean Air Technology Center

CATEX - Categorically Excluded

CATOX - Catalytic Oxidation Unit

CATS - Corrective Action Tracking System

CAU - Carbon Adsorption Unit

CAU - Command Arithmetic Unit

CAUSE - Citizens Allied and United for a Safe Environment

CAV - Constant Air Volume

CAVE - Citizens Against Virtually Everything

CB - Citizens Band Radio

CB - Continuous Bubbler

CBA - Central Business Area

CBA - Chesapeake Bay Agreement

CBA - Cost Benefit Analysis

CBB - Chesapeake Bay Basin

CBC - Canada Building Code

CBC - Complete Blood Count

CBD - Central Business District

CBD - Commerce Business Daily

CBD - Convention on Biological Diversity

CBEC - Concentration-Based Exemption Criteria

CBEP - Community Based Environmental Program

CBEP - Community Based Environmental Protection

CBER - Center for Biologics Evaluation and Research

CBI - Compliance Biomonitoring Inspection

CBI - Confidential Business Information

CBNRM - Community Based Natural Resources Management

CBO - Community Based Organizations

CBO - Congressional Budget Office

CBOD - Carbonaceous Biochemical Oxygen Demand

CBP - Chesapeake Bay Program

CBP - County Business Patterns

CBP - Customs and Border Protection

CBRA - Coastal Barrier Resources Act

CBRN - Chemical, Biological, Radiological or Nuclear

CBRNE - Chemical, Biological, Radiological, Nuclear, Explosive

CBRP - Community Based Restoration Program

CBT - Computer Based Training

CC - Carbon Copy

CC - Central Construction

CC - Closed Cup Method of Determining Flash Point

CC - Color Compensating

CC - Common Cause

CC - Condition Class

CC - Contract Clauses

CC - Cost Center

cc - Cubic Centimeter

CC list - Contaminant Categories for Land Disposal Restrictions

CCA - Chromated Copper Arsenate

CCA - Competition in Contracting Act

CCAA - California Clean Air Act

CCAA - Canadian Clean Air Act

CCAD - Central American Commission on Environment and Development

CCAI - Coalition for Clean Air Implementation

CCAMLR - Convention on the Conservation of Antarctic Marine Living Resources

CCAP - Center for Clean Air Policy

CCAP - Climate Change Action Plan

C-CAP - Coastal Change Analysis Program

CCAS - Convention on the Conservation of Antarctic Seals

CCB - Continuous Calibration Blank

CCBNET - Corpus Christi Bay National Estuary Program

CCC - Chlorine Chemistry Council

CCC - Cleanup Cost Cap

CCC - Coastal Coordination Council

CCC - Compromised Container Caps

CCC - Criterion Continuous Concentration

CCCF - Common Cause Correction Factor

CCD - Chemical Control Division

CCD - Convention to Combat Desertification

CCD - Polychlorinated Dibenzo-p-dioxins

CCDH - Clark County Department of Health

CCDS - Case Conclusion Data Sheet

CCE - Coordinating Centre for Effects

CCEA - Conventional Combustion Environmental Assessment

CCF - Common Cause Factor

CCGT - Combined Cycle Gas Turbine

CCH - Commerce Clearing House

CCH - Contested Case Hearing

CCHW - Citizens' Clearinghouse for Hazardous Wastes

CCIAD - Central American Inter-Parliamentary Commission on the Environment

CCID - Confidential Chemicals Identification System

CCJ - Campbell Centrifugal Jig

CCL - Compacted Clay Layer

CCL - Construction Completion List

CCL - Contaminant Candidate List

CCLI - Commuter Choice Leadership Initiative

CCMP - Comprehensive Conservation and Management Plan

CCMS - Committee on Challenges of a Modern Society

CCN - Certificate of Convenience and Necessity

CCN - Contract Change Notices

CCOHS - Canadian Centre for Occupational Health and Safety

CCP - Coal Combustion Product

CCP - Composite Correction Plan

CCP - Cooperative Compliance Program

CCPS - Center for Chemical Process Safety

CCR - California Code of Regulations

CCR - Cervico-collic Reflex

CCR - Consumer Confidence Report

CC/RTS - Chemical Collection/Request Tracking System

CCS - Chemical Coordination Staff

CCS - Counter Current Scrubber

CCS/RTS - Chemical Collection System

CCT - Center for Clean Technology

CCT - Clean Coal Technology Demonstration Project

CCTP - Clean Coal Technology Program

CCTV - Closed Circuit Television

CCU - Correspondence Control Unit

CCV - Continuous Calibration Verification

CCW - Concentration of Contaminant in Waste

CCWE - Concentration of Contaminant in Waste Extraction

CD - Calibration Drift

CD - Certificate of Destruction

CD - Certification Division

CD - Civil Defense

CD - Climatological Data

CD - Compact Disk

CD - Compliance Division

CD - Consent Decree

Cd - Cadmium

C & D - Construction and Demolition

CDB - Consolidated Data Base

CDB - Waste Management Data Base System

CDBA - Central Data Base Administrator

CDBG - Community Development Block Grant

CDC - Centers for Disease Control & Prevention

CDD - CAMU Designated Document

CDD - Chlorinated Dibenzo-p-Dioxin

CDE - Control Device Evaluation

CDETS - Consent Decree Tracking System

CDF - Chlorinated Dibenzofuran

CDF - Confined Disposal Facility

CDFG - California Department of Fish and Game

CDHS - Comprehensive Data Handling System

CDI - Case Development Inspection

CDI - Chronic Daily Intake

CDIAC - Carbon Dioxide Information Analysis Center

CDM - Clean Development Mechanism

CDM - Climatological Dispersion Model

CDM - Comprehensive Data Management

CDMQC - Climatological Dispersion Model with Calibration and Source Contribution

CDMS - Cost Development Management System

CDMS - Cost Documentation Monitoring System

CDNS - Climatological Data National Summary

CDOTS - Contract Delivery Order Tracking System

CDP - Census Designated Places

CDP - Common Depth Point

CDPD - Cellular Digital Packet Data

CDR - Commander

CDRG - Catastrophic Diaster Response Group

CDRL - Contract Data Requirements List

CD-ROM - Compact Disk Read Only Memory

CDS - Compliance Data System

CDS/ISIS - CDS/Integrated Set of Information System

CE - Calibration Error

CE - Capture Efficiency

CE - Categorical Exclusion

CE - Conditionally Exempt Generator

CE - Corps of Engineers

CE - Cost Effectiveness

Ce - Cerium

CEA - Certified Environmental Auditor

CEA - Cooperative Enforcement Agreement

CEA - Cost and Economic Assessment

CEA - Council of Economic Advisors

CEALS - Corps of Engineers Automated Legal Services

CEAM - Center for Exposure Assessment Modeling

CEAM - Conceptual Exposure Assessment Model

CEAO - Corps of Engineers Audit Office

CEAP - Corps of Engineers Automation Plan

CEARC - Canadian Environmental Assessment Research Council

CEAS - Coastal Environmental Assessment Studies

CEAT - Contractor Evidence Audit Team

CEB - Chemical Element Balance

CEB - Commission of European Communities

CEBAF - Continuous Electron Beam Accelerator Facility

CEBRH - Board of Engineers for Rivers and Harbors

CEC - California Energy Commission

CEC - Canadian Electric Code

CEC - Cation Exchange Capacity

CEC - Commission for Environmental Cooperation

CEC - Commission of European Communities (see EC, EEC)

CECATS - Chemical Screening Branch Existing Chemical Assessment Tracking System

CECC - Corps of Engineers Office of the Chief Counsel

CECG - Corps of Engineers Headquarters

CECI - Corps of Engineers Office of the Deputy Chief of Staff for Corporate Information

CECW - Corps of Engineers Directorate of Civil Works

CECW-A - Corps of Engineers Civil Works Policy Division

CECW-B - Corps of Engineers Civil Works Programs Division

CECW-E - Corps of Engineers Civil Works Engineering Division

CECW-O - Corps of Engineers Civil Works Construction, Operations and Readiness Division

CECW-P - Corps of Engineers Civil Works Planning Division

CED - CERCLA Enforcement Division

CED - Criminal Enforcement Division

CEDARE - Center for Environment and Development for the Arab Region and Europe

CEE - Center for Environmental Education

CEE - Central and Eastern Europe

CEE - Comprehensive Environmental Evaluation

CEEL - Community Emergency Exposure Level

CEEM - Center for Energy and Environmental Management

CEEO - Corp of Engineers Office of Equal Employment Opportunity

CEERD - Engineer Research and Development Center

CEERD-C - Construction Engineering Research Laboratory

CEERD-E - Environmental Laboratory

CEERD-G - Geotechnical Laboratory

CEERD-H - Coastal and Hydraulics Laboratory

CEERD-I - Information Technology Laboratory

CEERD-R - Cold Regions Research and Engineering Laboratory

CEERD-S - Structures Laboratory

CEF - Criticality Experiments Facility

CEFIC - The European Chemistry Industry Council

CEG - Certified Engineering Geologist

CEG - Community Exposure Guidelines

CEG - Conditionally Exempt Generator

CEGS - Corps of Engineers Guide Specifications

CEI - Certified Environmental Inspector

CEI - Compliance Evaluation Inspection

CEI - Comprehensive Emissions Inventory

CEIC - Caribbean Environmental Information Center

CEIS - Computerized Emissions Inventory System

CEL - Compliance Evaluation Level

CELDS - Computer-aided Environmental Legislative Data System

CELRF - Canadian Environmental Law Research Foundation

CEM - Continuous Emission Monitor(ing)

CEM - Cooperative Environmental Management

CEM - Cumulative Effects Model

CEMP - Community Environmental Monitoring Program

CEMS - Continuous Emission Monitor(ing) System

CEMS - Continuous Emission Monitoring Subset

CEMVR - Corp of Engineers Rock Island District

CEMVS - Corp of Engineers St. Louis District

CENAB - Corp of Engineers Baltimore District

CENAD - Corp of Engineers North Atlantic Division

CENAN - Corp of Engineers New York District

CENAO - Corp of Engineers Norfolk District

CENAP - Corp of Engineers Philadelphia District

CENAU - Corp of Engineers Europe District

CENCD - Corp of Engineers North Central Division

CENCR - Corp of Engineers Rock Island District

CENED - Corp of Engineers New England District

CENR - Committee on Environmental and Natural Resources

CENSARA - Central States Air Resource Agency

CENWD - Corp of Engineers Northwestern Division

CENWD-MR - Corp of Engineers Missouri River Regional Headquarters

CENWD-NP - Corp of Engineers North Pacific Regional Headquarters

CENWK - Corp of Engineers Kansas City District

CENWO - Corp of Engineers Omaha District

CENWP - Corp of Engineers Portland District

CENWS - Corp of Engineers Seattle District

CENWW - Corp of Engineers Walla Walla District

CEO - Chief Executive Officer

CEOS - Committee on Earth Observation Satellites

CEP - Council on Economic Priorities

CEPA - California Environmental Protection Agency

CEPA - Canadian Environmental Protection Act

CEPA - Conscientious Employee Protection Act

CEPA - Corp of Engineers Headquarters, Office of Public Affairs

CEPM - Corp of Engineers Office of Security and Law Enforcement

CEPOA - Corp of Engineers Alaska District

CEPOD - Corp of Engineers Pacific Ocean Division

CEPOF - Corp of Engineers Far East District

CEPOH - Corp of Engineers Honolulu District

CEPOJ - Corp of Engineers Japan Engineer District

CEPP - Chemical Emergency Preparedness Plan

CEPPO - Chemical Emergency Preparedness and Prevention Office

CEPR - Corp of Engineers Headquarters, Office of the Principal Assiustant Responsible for Public Contracts

CEPRC - Chemical Emergency Planning and Response Commission

CEPS - Cluster Environmental Protection Specialist

CEQ - Council on Environmental Quality

CEQA - California Environmental Quality Act

CERB - Coastal Engineering Research Board

CERC - Coastal Engineering Research Center

CERCLA - Comprehensive Environmental Response, Compensation and Liability Act (1980, "Superfund")

CERCLIS - Comprehensive Environmental Response, Compensation and Liability Information System

CERD - Corp of Engineers Headquarters, Directorate of Research and Development

CERE - Corp of Engineers Headquarters, Directorate of Real Estate

CERES - Coalition for Environmental Responsible Economies

CERFA - Community Environmental Response Facilitation Act

CERFT - Certified Repair Facility of Texas

CERI - Center for Environmental Research Information

CERIS - Center for Environmental and Regulatory Systems

CERL - Construction Engineering Research Laboratory

CERL - Corvallis Environmental Research Laboratory

CERM - Corp of Engineers Headquarters, Directorate of Resource Management

CERT - Certificate of Eligibility

CERT - Community Emergency Response Team

CERTAPPL - Application for Certification

CERTT - Certified Repair Technician of Texas

CES - Certified Environmental Specialist

CES - Chemically Enhanced Solubilization

CESA - California Endangered Species Act

CESAC - Corp of Engineers Charleston District

CESAD - Corp of Engineers South Atlantic Division

CESAJ - Corp of Engineers Jacksonville District

CESAM - Corp of Engineers Mobile District

CESAS - Corp of Engineers Savannah District

CESAW - Corp of Engineers Wilmington District

CESB - Corp of Engineers Headquarters, Small Business Office

CESB - Council of Engineering and Scientific Specialty Boards

CESO - Corp of Engineers Headquarters, Safety and Occupational Health Office

CESPA - Corp of Engineers Albuquerque District

CESPD - Corp of Engineers South Pacific Division

CESPK - Corp of Engineers Sacramento District

CESPL - Corp of Engineers Los Angeles District

CESPN - Corp of Engineers San Francisco District

CESQG - Conditionally Exempt Small Quantity Generators

CESS - Committee Evaluation and Support Staff

CEST - Community Environmental Service Teams

CESWD - Corp of Engineers Southwestern Division

CESWF - Corp of Engineers Fort Worth District

CESWG - Corp of Engineers Galveston District

CESWL - Corp of Engineers Little Rock District

CESWT - Corp of Engineers Tulsa District

CET - Certified Environmental Trainer

CET - Customer Event Tracking

CETA - Cleaning Equipment Trade Association

CETAC - Transatlantic Programs Center

CETC - California Environmental Technology Center

CETIS - EPAs Duluth Laboratorys Complex Effluent Toxicity Information Database System

CETRED - Combustion Emissions Technical Resource Document

CEU - Central European University

CEU - Continuous Education Units

CEV - Chamber Exhaust Vent

CETWRC - Water Resources Support Center

CF - Calibration Factor

CF - Conservation Foundation

CF - Conversion Factor

CF - Copy For

CF - Copy Furnished

Cf - Californium

CFA - Central Facilities Area

CFA - Consumer Federation of America

CFB - Circulating Fluid Bed

CFBC - Circulating Fluidized Bed Combustor

CFC(s) - Chlorofluorocarbons

CFC - Combined Federal Campaign

CFC-11 - Trichlorofluoromethane

CFC-12 - Freon (dichlorodifluoromethane)

CFC-113 - 1,1,2-trichloro-1,2,2-trifluoroethane

CFC-114 - 1,2-dichloro-1,1,2,2-tetrafluoroethane

CFC-115 - Chloropentafluoroethane

CFE - Contractor Furnished Equipment

CFIB - Canadian Federation of Independent Business

CFM(s) - Chlorofluoromethanes

cfm - Cubic Feet per Minute

CFMC - Cincinnati Financial Management Center

CFO - Chief Financial Officer

CFOI - Census of Fatal Occupational Injuries

C/FP/IDIQ - Cost Fixed Price Indefinite Quantity

CFR - Code of Federal Regulations

CFS - Command File System

cfs - Cubic Feet per Second

CFSG - Citizen Forum for Self Government

CFSII - Continuing Survey of Flood Intakes by Individuals

CFSR - Contract Funds Status Report

CFU - Colony Forming Units

CFY - Current Fiscal Year

CG - Combustible Gas

CG - Construction General

CG - Conventional Gasoline

CGA - Compressed Gas

CGA - Compressed Gas Association

CGA - Cyclinder Gas Audit

CGEIC - Canadian Global Emissions Interpretation Center

CGGICS - Construction Grants GICS

CGI - Combustible Gas Indicator

CGIAR - Consultative Group on International Agricultural Research

CGL - Comprehensive General Liability

CGP - NPDES Construction General Permit

CGPRM - Construction Grants Resource Model

CGSB - Canadian General Standards Board

CH - Clearinghouse

CH - Contact Handled

CH3D-SED - Curvilinear-grid Hydrodynamics 3D Integrated Modeling System

CH3D-SED - Curvilinear Hydrodynamics 3D Sediment Transport

CH4 - Methane

CHABA - Committee on Hearing and Bio-Acoustics

CHAMP - Community Health Air Monitoring Program

CHC - Critical Hazards control

CHDS - Complaint Handling Data System

ChE - Cholinesterase

CHEM - Chemical Collection Database

CHEMD - OTS Chemical Directory

CHEMNET - Chemical Industry Emergency Mutual Aid Network

CHEMTREC - Chemical Transportation Emergency Center

CHESS - Community Health and Environmental Surveillance System

CHIEF - Clearinghouse for Inventories and Emission Factors

CHIP - Chemical Hazard Information Profile

CHIPS - Chemical Hazard Information Profile System

CHLOREP - A mutual aid group of shippers and carriers of chlorine

CHLOREP - Chlorine Emergency Plan

CHMM - Certified Hazardous Materials Manager

CHO - Chemical Hygiene Officer

CHO - Chinese Hamster Ovary

CHOXD - Chemical or Electrolytic Oxidation

CHP - Certified Health Physicist

CHP - Certified Health Professional

CHP - Chemical Hygiene Plan

CHRED - Chemical Reduction

CHRIS - Chemical Hazard Response Information System

CHSP - Chemical Hygiene and Safety Plan

CHST - Construction Safety and Health Technician

CHWA - Colorado Hazardous Waste Act

CHWMP - County Hazardous Waste Management Plan

CI - Chlorine Institute

CI - Compression Ignition

CI - Confidence Interval

CI - Criminal Investigator

ci - Curie

CIA - Central Intelligence Agency

CIAC - Centro de Informacion Ambiental del Caribe

CIAP - Interamerican Committee of the Alliance for Progress

CIAQ - Council on Indoor Air Quality

CIAQM - Certified Indoor Air Quality Manager

CIBL - Convective Internal Boundary Layer

CIBO - Congress of Industrial Boiler Owners

CIC - Chemical Industry Council

CICA - Competition in Contracting Act

CICIS - Chemicals in Commerce Information System

CICS - Customer Information Control System

CID - Commercial Item Description

CID - Criminal Investigation Division

CIDRS - Cascade Impactor Data Reduction System

CIESIN - Consortium for International Earth Science Information Network

CIH - Certified Industrial Hygienist

CII - Criminal Investigation Index

CIIT - Chemical Industry Institute of Technology

CI/KR - Critical Infrastructure/Key Resources

CIL - Compliance Inquiry Letter

CILSS - Permanent Inter-state Committee on Drought Control

CIM - Committee on Integrity and Management Improvement

C/IM - Chief of information Management

CIMI - Committee on Integrity and Management Improvement

ci/m3/yr - Curies per cubic meter per year

CIN - Control Identification Number

CIN - Course Identification Number

CINWL - Commercial Industrial Nonhazardous Waste Landfills

CIO - Chief Information Officer

CIP - Capital Improvement Program

CIP - Capital Improvement Project

CIP - Clean In-place (methods)

CIR - Color Infrared

CIS - Chemical Information System

CIS - Commonwealth of Independent States

CIS - Contracts Information System

CISR - Chemical Inventory System

CISWI - Commercial Industrial Solid Waste Incinerator

CITES - Convention on International Trade in Endangered Species

CIU - Categorical Industrial User

CIVP - Region 4 Civil Penalties System

CIWMB - California Integrated Management Board

CJE - Critical Job Element

CJO - Chief Judicial Officer

CK - Cement Kiln

CKD - Cement Kiln Dust

CKRC - Cement Kiln Recycling Coalition

CL - Ceiling Concentration

CL - Chinese Line

CL - Contingent Liabilities

Cl - Chlorine

CLC - Canada Labour Code

CLC - Canada labour Congress

CLC - Capacity Limiting Constituents

CLC - Clean Lakes Clearinghouse

CLCL - Cleans Clever Clinical Studies

CLEAN - Comprehensive Long Term Environmental Action Navy

CLEANS - Clinical Laboratory for Evaluation and Assessment of Noxious Substances

CLEVER - Clinical Laboratory for Evaluation and Validation of Epidemiological Research

CLF - Conservation Law Foundation

CLI - Consumer Labeling Initiative

CLIN - Contract Line Item Number

CLIPS - Chemical List and Information Pointer System

CLIPS - Chemical List Index and Processing System

CLOMA - Conditional Letter of Map Amendment

CLP - Chlorine-Loading Potential

CLP - Contract Laboratory Program

CLPQA - Contract Laboratory Program Quality Assurance

CLPS - Contract Lab System

CLR - Contingent Liability Report

CLS - Community Liaison Officer

CLSP - Center for Law & Social Policy

CLU-IN - EPAs Cleanup Information Bulletin Board System

CM - Central Maintenance

CM - Corrective Measure

Cm - Curium

cm - centimeters

cm2 - Square centimeters

cm3 - Cubic centimeter

CMA - Chemical Manufacturers Association

CMA - Contract management Assistant

CMAQ - Congestion Mitigation and Air Quality

CMAS - Cross-Media Analysis Staff

CMB - Chemical Mass Balance

CMC - Carpal-metacarpal

CMC - Crisis Management Coordinator

CMC - Criterion Maximum Concentration

CMD - Contracts Management Division

CMDA - Chemical Munitions Dumping Area

CME - Comprehensive Monitoring Evaluation

CME - Corrective Measures Evaluation

CMEL - Comprehensive Monitoring Evaluation List (Log)

CME/OAM - Comprehensive Groundwater Monitoring and Operations and maintenance Inspection

CMEP - Critical Mass Energy Project

CMHP - Contaminated Materials Handling Plan

CMI - Can Manufacturers Institute

CMI - Corrective Measures Implementation

CMI - Corrective Measures Investigation

CMO - Contract Management Office

CMP - Civil Monetary Penalties

CMP - Coastal Management Program

CMP - Corrugated Metal Pipe

CMPU - Chemical manufacturing Processing Unit

CMR - Carcinogenic, Mutagenic, or Toxic to Reproduction

CMR - Chemical Monitoring Reform

CMR - Command Management Review

CMS - Case Management System

CMS - Chemical Management System

CMS - Congestion Management System

CMS - Continuous Monitoring System

CMS - Convention on Migratory Species

CMS - Corrective Measures Study

cm/s - Centimeters per Second

CMSA - Consolidated Metropolitan Statistical Area

CMSWLF - Closed Municipal Solid Waste Landfill

CMTL - Construction Materials Testing Laboratory

CN - Curve Number

CN - Cyanides

CNC - Condensation Nucleus Counter

CNCC - California Natural Coordinating Council

CNE - Center Network Environment

CNE - Curve Number Equation

CNF - Cost No Fee

CNG - Coalition of Northeastern Governors

CNG - Compressed Natural Gas

CNMI - Commonwealth of the Northern Mariana Islands

CNMP - Conservation Nutrient Management Plan

CNO - Chief of Naval Operations

CNR - Composite Noise Rating

CNRA - Coastal Natural Resource Areas

CNS - Central Nervous System

CNS - Communications Nova Scotia

CNS - Grant Administration Division Congressional Notification

CNSOPB - Canada-Nova Scotia Offshore Petroleum Board

CNT - Contract

CO - Carbon Monoxide

CO - Change Order

CO - Commissioned Officer

CO - Consent Order

CO - Contracting Officer

CO - Custodial Officer

C/O - Carry Over Funds

Co - Cobalt

CO2 - Carbon Dioxide

COA - Commissioned Officers Association

COA - Consent Order and Agreement

COA - Construction Quality Assurance

COA - Corresponding Onshore Area

COA - Course of Action

COAST - Coastal Oxidant Assessment for Southeast Texas

COB - Close of Business

COBOL - Common Business Orientated Language

COBRA - Coastal Barrier Resources Act

COC - Certificate of Completion

COC - Certificate of Compliance

COC - Chain of Custody

COC - Chemical of Concern

COC - Cleveland Open Cup

COC - Constituents of Concern

COC - Contaminant of Concern

COCA - Consent Order and Compliance Agreement

COCO - Contractor-Owned/Contractor-Operated

COD - Chemical Oxygen Demand

COD - Coefficient of the Determination

CODES - Committee & Obligations Data Entry System

CODEX - Codex Alimentarius Commission

COE - U.S. Army Corps of Engineers

COEMIS - Corp of Engineers Management Information System

COG - Compliance Order Guidance

COG - Council of Government

COG - Council of Governors

COH - Coefficient of Haze

COHN - Certified Occupational Health Nurse

COI - Conflict of Interest

COI - Constituent of Interest

COI - Cost of Illness

COLA - Cost of Living Adjustment

COLIWASA - Composite Liquid Waste Sampler

COM - Computer Output Microfilm

COM - Continuous Opacity Monitor

COMB - Combustion

COMECOM - Council for Mutual Economic Assistance

COMEMIS - Coastal and marine Environment Management information System

COML - Communications Unit leader

COMNAP - Council of Managers of National Antarctic Programs

COMPLEX - Complex Terrain Screening Model

COMPLI - Stationary Source Compliance

COMPTER - Multiple Source Air Quality Model

ComQAP - Comprehensive Quality Assurance Program

COMS - Continuous Opacity Monitoring System

CON - Control Octane Number

CON - Selected Contractor or Awardees

CONABO - National Commission for the Knowledge and Use of Biodiversity

COND - Condition

CONG - Congressional Committee

CONOPS - Concept of Operations

CONPLAN - Interagency Domestic Terrorism Concept of Operations Plan

CONTOP - Continuous Smelting-top Blowing

CONUS - Contiguous United States

CONUS - Continental United States

COO - Conduct of Operations

COP - Coastal Oceans Program

COP - Conference of Parties

COOP - Continuity of Operations Plan

COPC - Compound(or Chemical or Constituent or Contaminant) of Potential Concern

COPR - Chromite Ore Processing Residue

COPS - Contractors Operations and Professional Services

COR - Contracting Officers Representative

CORINE - Coordination of Information on the Environment

CORMIX - Cornell Mixing Zone Model

CORPS - Army Corps of Engineers

CORR - Chemicals on Reporting Rules Database

COS - Carbonyl Sulfide

COS - Clearwater Osteoarthritis Study

COS - Conservative Opportunity Society

COS - Cost Accounting System

COSS - Coastal Oil Spill Simulation System

COTR - Contracting Officer's Technical Representative

COTS - Commercial Off-the-Shelf

COWPS - Council on Wage and Price Stability

COY - Cubs-of-the-Year

CP - Cleaner Production

CP - Command Post

CP - Contingency Plan

CPA - Certified Public Accountant

CPA - Contract Property Administrator

CPA - Great Lakes Critical Programs Act of 1990

CPAC - Civilian Personnel Advisory Center

CPAF - Cost Plus Award Fee

CPAR - Construction Productivity Advancement Research

CPAS - Central Procurement accounting System

CPC - Chemical Protective Clothing

CPD - Chicago Police Department

CPDA - Chemical Producers and Distributor Association

CPDD - Control Program Development Division

CPDS - Certified Product Data Sheets

CPE - Comprehensive Performance Evaluation

CPE - Comprehensive Plant Evaluation

CPF - Cancer Potency Factor

CPF - Carcinogenic Potency Factor

CPFF - Cost Plus Fixed Fee

CPG - Comprehensive Procurement Guidelines

CPG 1-3 - Federal Assistance Handbook: Emergency Management and Planning

CPG 1-8 - Guide for Development of State and Local Emergency Operations Plans

CPG 1-8A - FEMA Planning Guide for State and Local Emergency Operations Plans

CPI - Chemical Process Industries

CPI - Consumer Price Index

CPIF - Cost Plus Incentive Fee

CPK - Creatine Phosphokinase

CPL - Chemistry and Physics Laboratory

CPL - Compliance Directive

CPL - Contractors Pollution Liability

CPL - Contractors Pollution Liability Insurance

CP&L - Carolina Power and Light

CPM - Continuous Particle Monitor

cpm - Counts per Minute

CPM - Critical Path Method

CPN - Contract Payment Notice

CPN - Critical Path Network

CPO - Certified Project Officer

CPOC - Civilian Personnel Operations Center

CPP - Compliance Policy and Planning

CPP - Continuing Planning Process

CPR - Cardiopulmonary Resuscitation

CPR - Center for Public Resources

CPR - Coalition for Pesticide Reform

CPRC - Carcinogenicity Peer Review Committee

CPS - Compliance Program and Schedule

CPS - Contract Payment System

CPSA - Consumer Product Safety Act

CPSC - Consumer Product Safety Commission

CPSD - Contingency Planning and Support Division

CPSDAA - Compliance and Program Staff to the Deputy Assistant

CPT - Comprehensive Performance Test

CPT - Cone Penetrometer Test

CPU - Central Processing Unit

CPWR - Center to Protect Workers Rights

CQA - Construction Quality Assurance

CQAP - Construction Quality Assurance Plan

CQC - Contractor Quality Control

CQCSM - Construction Quality Control Systems Manager

CQM - Contractor Quality Management

CR - Case Report Number

CR - Community Relations

CR - Contact Recreation

CR - Continuous Radon Monitoring

CR - Cost Reimbursable

Cr - Chromium

Cr+6 - Hexavalent chromium

Cr, total - Total Chromium

CRA - Civil Rights Act

CRA - Classification Review Area

CRA - Community Relations Agreement

CRA - Continuing Resolution Authority

CRADA - Cooperative Research and Development Agreement

CRAVE - Cancer Risk Assessment Verification Endeavor

CRBOH - Canadian Registration Board of Occupational Hygienists

CRC - Coastal Resource Coordinator

CRC - Community Relations Coordinator

CRC - Contamination Reduction Corridor

CRC - Cooperative Research Center

CRCL - DHS Office of Civil Rights and Civil Liberties

CRD - Community Relations Division

CRDL - Contract-Required Detection Limit

CREM - Council for Regulatory Environmental Modeling

CREP - Conservation Reserve Enhancement Program

CRF - Central Receiving Facility

CRF - Combustion Research Facility

CRG - Community Resource Group

CRGS - Chemical Regulations and Guideline System

CRIB - Criteria Reference Information Bank

CRIMDOCK - Criminal Docket System

CRIS - Commanders Resource Integration System

CRISP - Comprehensive Risk Information Structure Project

CRL - Central Regional Laboratory

CRL - Central Regional Library

CRL - Certified Reporting Limit

CRM - Crop Residue Management

CRO - Community Response Organization

CROET - Center for Research on Occupational and Environmental Toxicology

CROP - Consolidated Rules of Practice

CRP - Child Resistant Packaging

CRP - Clean Rivers Program

CRP - Community Relations Plan

CRP - Conservation Reserve Program

CRP - Core Resource Person

CRQL - Contract-Required Quantitation Limit

CRR - Center for Renewable Resources

CRREL - Cold Regions Engineering and Research Laboratory

CRS - Certified Remediation Specialist

CRS - Community Relations Staff

CRS - Congressional Research Service

CRSI - Concrete Reinforcement Steel Institute

CRSP - Canadian Registered Safety Professional

CRSTER - Single Source Dispersion Model

CRT - Cathode Ray Tube

CRTK - Community Right-to-Know

CRU - Climatic Research Unit

CRWQCB - California Regional Water Quality Control Board

CRZ - Contamination Reduction Zone

CS - Caustic Scrubber

CS - Central Services

CS - Colloidal Suspension

CS - Compliance Staff

CS - Contract Specialist

CS - Cost Share

Cs - Cesium

C & S - Certified and Segregated

CSA - Campus Safety Association

CSA - Canadian Standards Association

CSA - Chemical Safety Assessment

CSA - Chemical Safety Audit

CSA - Cognizant Security Authority

CSB - Chemical Safety and Hazard Investigation Board

CSB - Chemical Species Balance

CSB/ECAD - Chemical Screening Branch/Existing Chemical Assessment Division

CSC - Car Sealed Closed

CSC - Coastal Service Center

CSCOR - Coastal Ocean Research

CSCT - Committee for Site Characterization

CSCT - Consortium for Site Characterization Technology

CSD - Commission on Sustainable Development

CSD - Contaminated Soil and Debris

CSD - Criteria and Standards Division

CSE - TNRCC Follow-up Inspection

CSEE - Corporate Systems Engineering Environment

CSF - Carcinogenic(or Cancer) Slope Factors

CSF - Complete sample Delivery Group File

CSFI - Inhalation Cancer Slope Factor

CSFII - Continuing Survey of Food Intakes by Individuals

CSFM - California State Fire Marshall

CSG - Council of State Governments

CSG - Counterterrorism Security Group

CSGWPP - Comprehensive State Ground Water Protection Program

CSHEM - Conference of State Health and Environmental Managers

CSHEMA - Campus Safety, Health and Environmental Management Association

CSHO - Compliance Safety and Health Officer

CSI - Chemical Substances Inventory

CSI - Clean Sites, Inc.

CSI - Common Sense Initiative

CSI - Compliance Sampling Inspection

CSI - Common Sense Initiative

CSI - Construction Specifications Institute

CSIN - Chemical Substances Information Network

CSM - Certified Safety Manager

CSM - Conceptual Site Model

CSM - Continuous Stack Monitoring

CSMA - Chemical Specialties Manufacturers Association

CSMoS - Center for Subsurface Modeling Support

CSO - Car Sealed Open

CSO - Combined Sewer Overflow

CSP - Certified Safety Professional

CSP - Competitive Sealed Proposal

CSP - Conservation Security Program

CSPA - Council of State Planning Agencies

CSPD - Chemicals and Statistical Policy Division

CSPI - Center for Science in the Public Interest

CSR - Chemical Safety Report

CSRA - Civil Rights Reform Act

CSREES - Cooperative State Research, Education and Extension Service

CSRL - Center for the Study of Responsive Law

CSRS - Civil Service Retirement System

CSS - Clerical Support Staff

CSSD - Computer Services and Systems Division

CSSE - Canadian Society of Safety Engineering

CSSE - Conference on State Sanitary Engineers

CSST - Commission de la Sante et de la Securite du Travail

CST = Capillary Suction Time

cSt - centi-Stoke

CST - Combined Statistical and Technology Based MACT Floor Procedure

CSTR - Continuously Stirred Tank Reactor

CSU - Corporate Service Unit

CSV - Unspeciated Chromatographical Semivoliates

CSWMP - County Solid Waste Management Plan

CT - Chimney Tray

CT - Computed Tomography

CT - Contact Time

C(t) - Exposure Concentration as a Function of Time

CTA - Comprehensive Technical Assistance

CTARC - Chemical Testing and Assessment Research Commission

CTB - Cement Treated Base

CTC - Carbon Tetrachloride

CTC - Control Technology Center

CTD - Control Technology Document

CTD - Cumulative Trauma Disorder

CTG - Composite Theme Grid

CTG - Control Techniques Guidelines

CTG - Control Techniques Guidance

CTG - Control Technology Guideline

CTGD - Control Techniques Guideline Document

CTIC - Center for Technology Information Center

CTM - Complex Terrain Data Base

CTMP - Chemical, Thermal, Mechanical Process for Producing Pulp

CTO - Control Technology Office

CTOS - Counter Terrorism Operations Support

CTP - Carpal Tunnel Pressure

C-TPAT - Customs-Trade Partnership Against Terrorism

CTS - Carpal Tunnel Syndrome

CTS - Certified Testing Specialist

CTS - Commitment Tracking System

CTS - Correspondence Tracking System

CTSA - Cleaner Technologies Substitutes Assessment

CTT - Chronic Toxicity Test

CU - Catalog Units

Cu - Copper

CUBP - Coincidental Unavoidable By-product

CUE - Critical Use Exemption

CUHWC - College and University Hazardous Waste Conference

CUL - Cost Unit Leader

CULP - Estimating Water Treatment Costs

cu.m. - Cubic Meter

CUPE - Canadian Union of Public Employees

CUR - Carbon Usage Rate

CURE - Chemical Unit Record Estimates Data Base

CUS - Chemical Update System

CV - Chemical Vocabulary

CVAA - Cold Vapor Atomic Absorption

CVFM - Cincinnati CORV Financial Management

CVLB - Cincinnati CORV Library Circulation System

CVM - Contingent Valuation Method

CVPM - Cincinnati CORV Personnel Management

CVR - Closure Verification Report

CVRS - Casing Vapor Recovery System

CVS - Cardiovascular System

CVS - Clearance Verification System

CVS - Constant Volume Sampler

CW - Civil Works

CW - Congress Watch

CW - Continuous Working-level Monitoring

CWA - Clean Water Act (1977 - FWPCA of 1972)

CWAP - Clean Water Action Project

CWC - Chemical Weapons Convention (International Treaty)

CWCCIS - Civil works Construction Cost Index System

CWMB - California Waste Management Board

CWDB - Certified Waste Data Base

CWDB/LMS - Certified Waste Data Base /Load Management System

CWF - Combined Waste Stream Formula

CWIS - Civil Works Information System

CWP - Common Work Practice

CWRT - Center Waste Reduction Technologies

CWS - Community Water System

CWSRF - Clean Water State Revolving Fund

CWSS - Community Water Supply Study

CWS - Compressed Work Schedule

CWT - Centralized Waste Treatment

CWTC - Chemical Waste Transportation Council

CWTS - CERCLA Wastewater Treatment System

CY - Calendar Year

cy - Cubic Yard

CY - Current Year

CZARA - Costal Zone Management Act Reauthorization Amendments

CZM - Coastal Zone Management

CZMA - Coastal Zone Management Act (1972)

CZMP - Coastal Zone Management Plan
D

D - Dose

d - Density

d23 - Density at 23(C

D list - Wastes considered hazardous by virtue of a characteristic: Flammability, Corrosivity, Reactivity or Toxicity

DA - Department of the Army

DA - Deputy Administrator

DA - Designated Agent

DA - Dilution Air

DAA - Deputy Assistant Administrator

DAA - Detailed analysis of Alternatives

DAB - Defense Acquisition Board

DABT - Diplomat of the American Board of Toxicology

DAC - Debutanized Aromatic Concentrate

DAC - Derived Air Concentrations

DACA - Days After Contract Award

DAF - Department of the Air Force

DAF - Device Assembly Facility

DAF - Dilution/Attenuation Factor(s)

DAF - Dissolved Air Flotation

DAFT - Dissolved Air Flotation Thickeners

DAG - Department of Agriculture

DAHS - Data Acquisition and Handling System

DAIG - Deputy Assistant Inspector General

DALE - Disability-adjusted Life Expectancy

DALY - Disability Adjusted Life Year

DAMDF - Durham Air Monitoring Demonstration Facility

DAN - Document Accountability Number

DAP - Diazinon Abatement Project

DAPD - Dual Alkali FGD Process Demonstration

DAPP - Applied Dose

DAPSS - Document and Personnel Security System

DAR - Defense Acquisition Regulations

DAR - Direct Assistance Request

DAR - Duly Authorized Representative

DARCOM - U.S. Army depot System Command

DARO - Days After Receipt of Order

DARP - Damage assessment and Restoration Program

DART - Dallas Area Rapid Transit

DART - Damage Assessment Regulations Team

DART - Days Away, Restricted or Transferred Rate

DARTAB - Dose and Risk assessment Tabulation

DAS - Data Analysis System

DASD - Direct Access Storage Drive

DASH - Dietary Approaches to Stop Hypertension

DASD - Direct Access Storage Devices

DASE - Dutch Association of Safety Experts

DAT - Data Assessment Tool

DAT - Digital Audio Tape

DB - Dry Bulb

D&B - Dunn and Bradstreet Marketing Index

dB - Decibel

DBA - Database Analyst

DBA - Data Base Administrator

DBA - Dibasic Esters

dBA - Decibels on A-weighted Scale

DBCP - Dibromochloropropane

DBE - Dibasic Ester

dbf - Database File

DBM - Bata Base Manager

DBMS - Database Management System

DBP - Disinfection By-product

DBPR - Disinfectants and Disinfection Byproduct Rule

DC - Direct Current

DC - District of Columbia

DC - Double Check Valve Backflow Prevention Assembly

DCA - Division of Community Assistance

DCA - Document Control Assistant

DCAA - Defense Contract Audit Agency

DCE - Defense Coordinating Element

DCE - Design Construction Evaluation

DCE - Dichloroethene

DCF - Directed Credit Fund

DCGL - Derived Concentration Guideline Level

DCI - Data Call-In

DCID - Director of Central Intelligence Directive

DCIS - Data Call-In Staff

DCL - Dedicated Commuter Lane

DCL1 - Region 1 Library Document Control System

DCMA - Defense Contract Management Agency

DCMA - Dry Color Manufacturers Association

DCN - Document Control Number

DCO - Defense Coordinating Officer

DCO - Delayed Compliance Order

DCO - Discharge Cleanup Organization

DCO - Document Control Officer

DCP - 1,3-Dichloropropene

DCP - Discrimination Complaints Program

DCPA - Dimethyl Tetrachloroterephthlate (Dacthal)

DCPLs - Demonstrated Compliance Parameter Limits

DCPU - Data Center Policy and Usage

DCR - Document Control Register

DCS - Defense Courier Service

DCS - Developing Countries Staff

DCS - Director of Central Services

DCS - Distributed Control System

DCS - Region 10 Library Document Control

DCSC - Defense Construction Supply Center

DCW - Director of Civil Works

D/CW - Director of Civil Works

DD - Defense Department

DD - Deputy Director

D & D - Decontamination and Decommissioning

D/DBP - Disinfectants/Disinfection Byproducts

DDD - Dichlorodiphenyldichloroethane

DDE - Dichlorodiphenyldichloroethylene

DDE(PM) - Deputy District Engineer for Project Management

DDESB - Department of Defense Explosives Safety Board

DDPM - Deputy District Engineer for Project Management

DDT - Dichlorodiphenyltrichloroethane

DE - Delaware

DE - Destruction Efficiency

DE - District Engineer

DE - Division Engineer

De - Department of Education

DEA - Drug Enforcement Administration

DEACT - Deactivation to Remove the Hazardous Characteristic

DEAP - District Environmental Action Plan

DEC - Department of Environmental Conservation

DEC - Department of Environmental Control

DECA - Defense Commissary Agency

DED - Data Element Dictionary

DEEP - Defense Environmental Education Program

DEEP - Dyer EEG Evoked Potential

DEF - Diethyl Fumarate

DEFENSIVE - General Counsel Defense Docket System

DEH - U.S. Army Directorate of Engineering & Housing

DEHP - Diethylhexylphthalate

DEIA - Division of Environment Information and Assessment

DEIS - Draft Environmental Impact Statement

DEL - Delivery

DelDOT - Delaware Department of Transportation

DELTA - Detection and Evaluation of Long-range Transport of Aerosols

DEM - Department of Environmental Management

DEM - Digital Elevation Model

DEM - Dynamic Estuary Model

DEMA - Diesel Engine Manufacturers Association

DEP - Department of Environmental Protection

DEP - Diethyl Phthalate

DEP - Displaced Employee Program

DEPS - Data Entry and Payment System

DEQ - Department of Environmental Quality

DER - Department of Environmental Resources

DERs - Data Evaluation Records

DERs - Discrete Emission Reductions

DERA - Defense Environmental Restoration Account

DERA - Defense Environmental Restoration Act

DERC - Discrete Emission Reduction Credits

DERP - Defense Environmental Restoration Program

DERP-FUDS - Defense Environmental Restoration Program/Formerly Used Defense Sites

DES - Department of Emergency Services

DES - Diethylstilbesterol

DESC - Defense Electronics Supply Center

DESC - Defense Energy Support Center

DESIPA - Department of Economic and Social Information Policy Analysis

DESREP - Defense Environmental Status Report

DEST - Domestic Emergency Support Team

DET - Determination of Equivalent Treatment

DETS - Directorate of Engineering and technical Services

D/F or DF - Dioxins and Furans

D/F - Dredge and Fill

DFA - Department of Food and Agriculture

D&F - Determination and Findings

DFAR - Defense Federal Acquisition Regulation

DFARS - Defense Federal Acquisition Regulation Supplement

DFAS - Defense Finance Accounting Service

DFE - Design for the Environment

DFG - Department of Fish and Game

DFG - Deutsche Forschungsgemeinschaft (German Standards)

DFLOW - EPA Computer Program

DFM - Diesel Fuel Marine

DFM - Dust, Fume and Mist

DFO - Disaster Field Office

DFRM - Direct Final Rule Making

DFS - Daily Flow System

DFS - Director of Field Services

DFW - Dallas-Fort Worth

Dg - Degrees

DGPS - Differential Global Positioning System

DGSC - Defense General Supply Center

DGXI - Directorate General for the Environment

DHEW - Department of Health, Education and Welfare

DHHS - Department of Health and Human Services

DHMM - Director of Hazardous Materials Management

DHS - Department of Hazardous Substances

DHS - Department of Health Services

DHS - Department of Homeland Security

DHS - Designated Hazardous Substances

DI - Deionized

DI - Diagnostic Inspection

DI - Dry Injection

DI States - Direct Implementation States

DIAS/IDLMAS - Dynamic Information Architecture System/Integrated Dynamic Landscape Analysis and Modeling System

DID - Data Item Descriptions

DIDS - Domestic Information Display System

DIERS - Design Institute for Emergency Relief Systems

DIG - Deputy Inspector General

DIL - Dilute

D/IM - Director of Information Management

DIN - Deutsches Institut fur Normung
DIN - Dissolved Inorganic Nitrogen

DINT - Internal Dose

DIP - Distal Interphalangeal

DIPPR - Design Insitute for Physical Property Data

DIPS - Department of Interior Payroll System

DIR - Department of Industrial Relations

DIS - Defense Investigative Service

DIS - Draft International Standards

DISA - Draft Initial Screening of Alternatives

DISC - Disaster Information Systems Clearinghouse

DISC - Defense Industrial Supply Center

DISCO - Defense Investigative Service Cognizant Office

DIST - District

DIV - Division

DIVPRTR - EMSL-LV Expenditure System

DIY - Do-it-Yourselfer

DL - Detection Limit

DL - Direct Labor

dL - Decaliter

DL - Drivers License

DLA - Defense Logistics Agency

DLG - Digital Line Graphs

DLS - Detection Limits

DM - Demister

DM - Design Memorandum

DM - Deputy Minister

DM - Dust and Mist

DMA - Demonstrations of Methods Applicability

DMA - U.S. Defense Mapping Agency

DMAG - Depot Maintenance Activity Group

DMARS - Deposit Message Retrieval System

DMAT - Disaster Medical Assistance Team

DMB - Data Management Branch

DMCL - Dust Metals Concentration Limit

DMCS - Document Management Control System

DME - Dimethyl Ether

DMIS - Duns Marketing Identification System

DMM - Discarded Military Munitions

DMMO - Dredged Material Management Office

DMORT - Disaster Mortuary Operational Response Team

DMR - Discharge Monitoring Report

DMR-QA - Discharge Monitoring Report Quality Assurance Studies

DMRLS - Data Management and Research Liaison Office

DMRP - Dredged Material Research Program

DMS - Data Management System

DMS - Dynamic Message Sign

DMT - Dimethyl Terphthalate

DN - Department of Navy

DNA - Deoxyribonucleic Acid

DNAPL - Dense Non-aqueous Phase Liquid

DNB - Dinitrobenzene

DNEL - Derived No-Effects Limit

DNFSB - Defense Nuclear Facilities Safety Board

DNOP - Di(n)octyl phthalate

DNR - Department of Natural Resources

DNREC - Delaware Department of Natural Resources and Environmental Control

DNS - Domain Name System

DNT - Dinitrotoluene

DO - Delivery Order

DO - Dissolved Oxygen

DO - Duty Officer

DOA - Department of Agriculture

DOAS - Differential Optical Absorption Spectroscopy

DOB - Date of Birth

DOC - Department of Commerce

DOC - Dissolved Organic Carbon

DOC - Documentation of Compliance

DOC - Region 4 Library Tracking System

DOCKET - Consolidated Docket of Civil Enforcement Actions

DOD - Department of Defense

DOD - Dissolved Oxygen Demand

DODAAC - Department of Defense Activity Address Code

DODEC - Department of Defense Environmental Contamination

DODI - Department of Defense Instructions

DODIG - Department of Defense Inspector General

DODS - Deep Ocean Disposal Site

DOE - Department of Ecology

DOE - Department of Energy

DOE - Department of Environment

DOH - Department of Health

DOHS - Department of Health Services

DOI - Department of the Interior

DOIG - Divisional Offices of the Inspector General

DOJ - Department of Justice

DOL - Department of Environment and Labour

DOL - Department of Labor

DOL - U.S. Army Directorate of Logistics

DOM - Disaster Operations Manual

D/O/M - Design, Operating and Maintenance Procedures

DON - Department of the Navy

DOP - Dioctyl Phthalate

DOPO - Delivery Order Project Officer

DOS - Denial of Service

DOS - Department of State

DOS - Disk Operating System

DOT - Department of Transportation

DOTS - Dredging Operations Technical Support

DOW - Defenders of Wildlife

DPA - Deepwater Ports Act

DPA - Defense Production Act

DPA - Delegation of Procurement Authority

DPAS - Defense Priority Allocation System

DPC - Desktop PC

DPC - Domestic Policy Council

DPCSD - Department of Policy Coordination and Sustainable Development

DPD - Diethyl-p-phenylenediamine

DPD - Method of Measuring Chlorine Residual in Water

DPF - Digital Photographic Facility

DPM - Defense Priority Model

DPM - Digital Panel Meter

DPM - Disintegrations per Minute

DPMU - Disaster/Deployable Portable Morgue Unit

DPO - Deputy Project Officer

DPOT - Potential Dose

DPR - Department of Pesticide Regulation

DPR - Department of Parks and Recreation

DPR - Detailed Project Report

DPS - Detailed Project Study

DPS - Texas Department of Public Safety

DPSIR - Driving Forces Pressures State Impact Response Framework

DPT - Direct Push Technology

DQA - Data Quality Assessment

DQO - Data Quality Objectives

DRA - Deputy Regional Administrator

DRAS - Delisting Risk Assessment Software

DRBC - Delaware River Basin Commission

DRC - Deputy Regional Counsel

DRC - Disaster Recovery Center (Unit)

DRE - Destruction/Removal Efficiency

DREC - Deputy Regional Emergency Coordinator

DRES - Dietary Risk Evaluation System

DRF - Disaster Relief Fund

DRG - Digital Raster Graphic

DRG - Disaster Readiness Group

DRI - Desert Research Institute

DRI - Direct Reading Instruments

DRM - Disaster Recovery Manager

DRMO - Defense Reutilization and Marketing Office

DRMS - Defense Reutilization and Marketing Service

DRPA - Delaware River Port Authority

DRPH - Diesel Range Petroleum Hydrocarbons

DRR - Data Review Record

DRR - Dose Relationship Response

DRSE - DOD Relocation Services for Employees

DS - Dichotomous Sampler

DSA - Dimensionally Stable

DSAP - Data Self Auditing Program

DSAT - DHS Situational Awareness Team

DSC - Division Safety Coordinator

DSCA - Defense Support of Civilian Authorities

dscf - Dry Standard Cubic Feet

dscfm - Dry Standard Cubic Feet per Minute

dscm - Dry Standard Cubic Meter

DSE - Domestic Sewage Exclusion

DSEN - Drug Enforcement Agency Sensitive

DSITMS - Direct Sampling Ion Trap Mass Spectrometer

DSL/NDSL - Canadas National Chemical Inventory

DSM - Demand Side Management

DSO - Dam Safety Officer

DSO - Disaster Safety Officer

DSR - Document Summary Record

DSS - Data Systems Staff

DSS - Decision Support System

DSS - Department of Social Services

DSS - Domestic Sewage Study

DSTRC - Destruction Technology (e.g.., CHOXD, CHRED, BIODG or INCIN)

DSW - Definition of Solid Waste

DT - Declaration of Taking

DT - Detectors (radon) Damaged or Lost

DT - Detention Time

DT - Development Team

DTD - Dated

DT&E - Demonstration, Testing and Evaluation

DTO - Data for Testifying Officers

DPTW - Department of Transportation and Public Works

DTRIM - Domestic Threat Response and Incident Management

DTRIM-PCC - Domestic Threat Response and Incident Management Policy Coordination Committee

DTSC - Department of Toxic Substances Control

DU - Decision Unit

DU - Ducks Unlimited

DU - Dobson Unit

DU - Dwelling Unit

DUC - Decision Unit Coordinator

DUL - Documentation Unit Leader

DUR - Driving Under Revocation

DUS - Driving Under Suspension

DV - Domestic Violence

DVD - Digital Versatile Disk

DVD - Digital Video Disk

DVF - Drum Venting Facility

DVM - Digital Volt Meter

DVMT - Daily Vehicle Miles Traveled

DVO - Diffuse Viewing Only

DW - Drinking Water

DW - Drinking Water Consumption, assumed to be 2 L/d

DW - Dry Weight of Soil or Plant/Animal Tissue

DWC - Drinking Water Committee

DWCDs - Drinking Water Criteria Documents

DWECs - Estimated Concentrations in Drinking Water

DWEL - Drinking Water Equivalent Level

DWI - Drinking Water Intake

DWLOCs - Drinking Water Levels of Concern

DWM - Diagnostic Wind Model

DWPL - Drinking Water Priority List

DWR - Department of Water Resources

DWS - Drinking Water Standard

DWSRF - Drinking Water State Revolving Fund

Dy - Dysprosium

DYNHYD4 - Htdrodynamic Model

DYNTOX - Dynamic Toxics Model

E

E - Exponent

E - Exposure

E - Exposure Level

E - Exceptional Aquatic Life Use

EA - Endangerment Assessment

EA - Enforcement Agreement

EA - Environmental Action

EA - Environmental Assessment

EA - Environmental Audit

EA - Exposure Assessment

EAB - Environmental Advisory Board

EAB - Environmental Appeals Board

EAB/EED - Exposure Assessment Branch/Exposure Evaluation Division

EAC - Early action Compact

EAD - Economic Analysis Division

EAD - Emergency Action Director

EAD - Energy and Air Division

EADS - Environmental Assessment Data System

EAF - Electric Arc Furnace

EAG - Exposure Assessment Group

EAM - Exposure Assessment Model

EAP - Emergency Action Plan

EAP - Employee Assistance Program

EAP - Environmental Action Plan

EAPS - Environmental Aspects of Product Standards

EAR - Enforcement Action Referral

EAR - Enforcement Action Request

EAR - Environmental Auditing Roundtable

EAS - East-Asian Seas Action Plan

EAS - Economic Analysis Staff

EAS - Electronic Article Surveillance

EAS - Emergency Alert System

EAS - Emergency Assistance Personnel

EASI - Environmental Alliance for Senior Involvement

EATR - Environment Assessment Technical Report

EB - Emissions Balancing

EBC - Environmental Biosafety Committees

EBCDIC - Extended Binary Coded Decimal Interchange Code

EBJ - Environmental Business Journal

EBRD - European Bank for Reconstruction and Development

EBS - Electronic Bid Set

EBS - Environmental Baseline Study

EBS - Environmental Baseline Survey

EBST - Environmental Baseline Survey for Transfer

EC - Education Center

EC - Effective Concentration

EC - Electron Capture

EC - Elifrits Constant (multiple estimate by 1.25)

EC - Emergency Coordinator

EC - Emulsifiable Concentrate

EC - Enforcement Coordinator

EC - Engineer Circular

EC - Environment Canada

EC - Environmental Coordinator

EC - Environmental Concerns

EC - European Commission

EC - European Community (see CEC, EEC; now referred to as the EU - European Union)

EC50 - Concentration of a Toxic Pollutant that Produces Sublethal Impacts on 50% of the Organisms Tested in a Specified Time Period

ECA - Economic Commission for Africa

ECA - Economic Community for Africa

ECA - Enforceable Consent Order

ECAD - Existing Chemical Assessment Division

ECAFE - Economic Commission for Asia and the Far East

ECAMP - Environmental Compliance, Assessment, and Management Program

ECAO - Environmental Criteria and Assessment Office

ECAP - Employee Counseling and Assistance Program

E-CATS - Electronic Catalog System

ECC - Emergency Control Center

ECC - Environmental Collection Center

ECC - Executive and Congressional Communications

ECD - Electron Capture Detector

ECDB - Emissions Certification Data Base

ECE - Economic Commission for Europe

ECETOC - European Chemical Industry Ecology and Toxicology Centre

ECF - Elemental Chlorine Free (bleaching)

ECHA - European Chemicals Agency (Helsinki)

ECHH - Electro-Catalytic Hyper-Heaters

ECHO - Each Community Helps Others

ECHO - Expanded Characteristic Option

ECL - Environmental Chemical Laboratory

ECL - Executive Control Language

ECL - Koreas National Chemical Inventory

ECLA - Economic Commission for Latin America

ECM - Eligible Coastal Municipalities

E.coli - Escherichia Coli

ECO - Economic Concern Only

ECO - Engineering Change Order

ECOFRAM - Ecological Committee on FIFRA Risk Assessment Methods

ECOHAB - Ecology and Oceanography on Harmful Algal Blooms

ECOMESD - Estuary and Coastal Ocean Model with Sediment Transport

ECOS - Environmental Council of the States

ECOWS - Economic Community of West African States

ECP - Engineering Change Proposal

ECP - External Compliance Programs

ECPD - Expedited Complete Plume Delineation

ECR - Enforcement Case Review

ECRA - Economic Cleanup Responsibilities Act

ECRA - Environmental Cleanup Responsibilities Act

ECRB - Extensor Carpi Radialis Brevis

ECRL - Extensor Carpi Radialis Longis

ECSL - Enforcement Compliance Schedule Letters

ECTD - Emission Control Technology Division

ECTS - Executive Correspondence Tracking System

ECU - Environmental Crimes Unit

ECU - Extensor Carpi Ulnaris

ED - Department of Education

ED - Editorial Division

ED - Effective Dose

ED - Emergency Department

ED - Emergency Director

ED - Enforcement Division

ED - Executive Director

ED - Exposure Duration

E&D - Engineering and Design

EDA - Economic Development Administration

EDA - Electronic Data Access

EDA - Emergency Declaration Area

EDAS - Ecological Data Application System

EDASS - Cincinnati Equivalency Statistical System

EDB - Ethylene Dibromide

EDC - Economic Development Coalition

EDC - Economic Development Commission

EDC - Ethylene Dichloride

EDC - Extensor Digitorum Communis

EDD - Electronic Data Deliverable

EDD - Enforcement Decision Document

EDE - Effective Dose Equivalent

EDF - Environmental Defense Fund, Inc.

EDGAR - Emission Database for Global Atmospheric Research

EDI - Electronic Data Interchange

EDL - Estimated Detection Limit

EDM - Electronic Data Management

EDNA - Elevation Derivatives for National Application

EDP - Eco-domestic Product

EDP - Electronic Data Processing

EDPR - Executive Directors Preliminary Report

EDRC - Episode Data Reporting Center

EDRS - Enforcement Document Retrieval System

EDS - Editors

EDS - Effluent Data Statistics System

EDS - Electronic Data System

EDS - Energy Data System

EDS - Energy Dispersive Spectroscopy

EDSTAC - Endocrine Disrupter Screening and Testing Advisory Committee

EDT - Edit Data Transmission

EDTA - Ethylene Diamine Triacetic Acid

EDX - Electronic Data Exchange

EDZ - Emission Density Zoning

ED10 - Ten Percent Effective Dose

EE - Element of Expertise

EE - Environmental Education

EE - Environmental Evaluation

EE2000 - Environmental Education 2000 Program

EEA - Energy and Environmental Analysis

EEA - European Environment Agency

EEC - Environmental Engineering Committee

EEC - Estimated Environmental Concentration

EEC - European Economic Community (see EC, CEC; now referred to as the EU - European Union)

EE/CA - Engineering Evaluation/Cost Analysis

EED - Estimated Exposure Duration

EED - Exposure Evaluation Division

EEG - Electroencephalogram

EEI - Edison Electric Institute

EELS - Electron Energy Loss Spectroscopy

EEMI - Environmental Engineers and Managers Institute

EEMI - Environmental Engineering Resources Institute

EEMS - Emissions Elements Needs Survey

EENET - Emergency Education Network

EEO - Equal Employment Opportunity

EEOC - Equal Employment Opportunity Commission

EEPSEA - Economy and Environment Program for Southeast Asia

EEQ - Existing Effluent Quality

EER - Excess Emission Report

EERF - Eastern Environmental Radiation Facilities

EERI - Earthquake Engineering Resources Institute

EERL - Eastern Environmental Radiation Laboratory

EERS - Earth Electrical Resistivity Survey

EERS - Excess Emissions Reports

EERU - Environmental Emergency Response Unit

EESI - Environment and Energy Study Institute

EESL - Environmental Ecological and Support Laboratory

EETD - Environmental Energy Technologies Division

EETFC - Environmental Effects Transport and Fate Committee

EEZ - Exclusive Economic Zone

EF - Emission Factor

EF - Enrichment Factor

EF - Exposure Frequency

EFARS - Engineer Federal Acquisition Supplement

EFDC - Environmental Fluid Dynamics Code

EFE - Early Fuel Evaporative System

EfE - Environment for Europe

EFED - Environmental Effects and Fate Division

EFH - Essential Fish Habitat

EFI - Electronic Fuel Injection Systems

EFIN - Environmental Financing Information Network

EFO - Equivalent Field Office

EFT - Electronic Funds Transfer

EFTA - European Free Trade Association

EFTC - Environmental Effects, Transport and Fate Committee

EFTC - European Fluorocarbon Technical Committee

EG - Emission Guidelines

EGA - Enhanced Graphics Array

EGAT - Thailand Electricity Generating Authority

EGBE - Ethylene Glycol Monobutyl Ether

EGD - Effluent Guidelines Division

EGM - Electrogram

EGPT - Erythrocyte Glutamic Pyruvic Transaminase

EGR - Exhaust Gas Recirculation Systems

E-GRID - Emissions and Generation Resource Integrated Database

EGSA - Electric Generating Systems Association

EGSC - Engineering Guidance Support Center

EGTF - Effluent Guidelines Task Force

EH - Redox Potential

EHC - Environmental Health Committee

EHHE - Environmental and Human Health Evaluation

EHIS - Emission History Information System

EHRS - Environmental Health Research Staff

EHS - Environmental Health and Safety

EHS - Extremely Hazardous Substance

EH&S - Environmental Health and Safety

EHSA - Environmental Health and Safety Affairs

EHSOC - Environment, Health, Safety and Operations Committee

EHST - Environment, Safety, Health and Toxicology

EHTD - Efficient Hydrologic Tracer-test Design

EI - Emissions Inventory

EI - Environmental Impact

EI - Environmental Indicator

EIA - Economic Impact Assessment

EIA - Electronic Industries Association

EIA - Energy Information Administration

EIA - Environmental Impact Assessment

EIAP - Environmental Impact Analysis Process

EIB - European Investment Bank

EIC - Emission Inventory Credit

EIC - Environmental Industry Council

EID - Emerging Infectious Disease

EID - Environmental Information Documents

EIL - Environmental Impairment Liability

EIMS - Environmental Information Management System

EIN - Employer Identification Number

EINECS - European Inventory of Existing Chemical Substances

EIP - Economic Incentive Program

EIQ - Emissions Inventory Questionnaire

EIR - Endangerment Information Report

EIR - Environmental Impact Report

EIR - Exposure Information Report

EIS - Environmental Impact Statement

EIS - Environmental Impact Study

EIS - Environmental Information Systems

EIS - Environmental Inventory System

EIS/AS - Emissions Inventory System/Area Source

EIS/PS - Emissions Inventory System/Point Source

EIS7 - Region 7 EIS 404 Program

EITF - Emerging Issues Task Force

EIX - Electrochemical Ion Exchange

EKG - Electroencephalogram

EKMA - Empirical Kinetic Modeling Approach

EJ - Environmental Justice

EL - Emission Limit

EL - Environmental Labeling

EL - Exposure Level

ELCR - Excess Lifetime Cancer Risk

ELF-EMF - Extremely Low Frequency Electric and Magnetic Fields

ELI - Environmental Law Institute

ELIN - Electronic Line Item Number

ELINCS/EINECS European Community National Chemical Inventory

ELISA - Enzyme-Linked Immunosorbent Assay

ELLPAT - Environmental Lead Laboratory Proficiency Analytical Testing

ELMS - Environment and Land Management Sector

ELP - Environmental Leadership Program

ELPS - Evaluation of Leachate Performance Standards

ELR - Environmental Law Reporter

EM - Electromagnetic

EM - Electromagnetic Conductivity

EM - Electron Microscope

EM - Emergency Management

EM - Emergency Manual

EM - Engineer Manual

EM - Enhanced Monitoring

EM - Environmental Management

EM-30 - Office of Waste Management

EM-40 - Office of Environmental Restoration

EM-50 - Office of Technology Development

EM-52 - Office of Technology Transfer and Program Integration

EM-53 - Office of Research and Development

EM-54 - Office of Demonstration, Evaluation and Testing

EM-60 - Office of Facility Transition and Management

EMA - Emergency Management Agency

EMA - Environmental Management Act

E-MAIL - Electronic Mail

EMAP - Environmental Monitoring and Assessment Program

EMAP-E - Monitoring and Assessment Program for Estuaries

EMAP-GL - Environmental Monitoring and Assessment Program Great Lakes

EMAS - Eco-management and Audit Scheme

EMAS - Enforcement Management and Accountability System

EMC - Emergency Management Center

EMC - Environmental Media Center

EMC - Event Mean Concentration

EMEP - European Monitoring and Evaluations Program

EMF - Exposure Modifying Factor

EMFRAPID - Electric and Magnetic Fields Research and Public Information Dissemination

EMG - Electromyography

EMI - Emergency Management Institute

EMIS - Emergency Management Information System

EMIS - Environmental Management Information System

EMISUM - Emissions Summary

EML - Emissions Measurement Laboratory

EMMC - Environmental Monitoring Management Council

EMMI - Environmental Monitoring Methods Index

EMP - Emergency Management Plan

EMP - Environmental Management Program

EMPACT - Environmental Monitoring for Public Access and Community Tracking

EMPC - Estimated Maximum Possible Concentration

EMR - Electro-Magnetic Radiation

EMR - Environmental Management Report

EMS - Emergency Management Services

EMS - Emergency Management System

EMS - Emergency Medical Service

EMS - Emergency Medical Support

EMS - Emergency Services

EMS - Enforcement Management Subsystem

EMS - Enforcement Management System

EMS - Environmental management Standard

EMS - Environmental Management System

EMS - Environmental Mutagen Society

EMSD - Environmental Monitoring Systems Division

EMSL - Environmental Monitoring Support Laboratory

EMSL - Environmental Monitoring Systems Laboratory

EMSL-LV - Environmental Monitoring Systems Laboratory Las Vegas

EMT - Emergency Medical Technician

EMTC - Environmental Management Technical Center

EMTD - Estimated Maximum Tolerated Dose

EMTIC - Emission Measurement Technical Information Center

EMTS - Environmental Methods Testing Site

EMTS - Environmental Monitoring Testing Site

EMTS - Exposure Monitoring Test Site

EN - European Norms

EN - European Standards

ENC - Electronic Navigational Charts

ENCS - Japans National Chemical Inventory

ENEA - European Nuclear Energy Agency

ENF5 - Region 5 Enforcement Tracking System

ENFOMAIN - Enforcement Mail Computer

ENG-AUDIT - GICS Engineer Audit Tracking System

ENPA - Environmental Performance Agreement

ENRIN - Environment and Natural Resources Information Network

ENS - Emergency Notification System

ENTRI - Environmental Treaties and Resource Indicators

EO - Environmental Objections

EO - Ethylene Oxide

EO - Executive Officer

EO - Executive Order

E&O - Errors and Omissions Liability Insurance

EOB - Executive Office Building

EOC - Emergency Operating (Operations) Center

EOD - Elimination of Discharge

EOD - Engineering Operations Division

EOD - Entrance on Duty

EOD - Explosion Ordnance Disposal

EOE - Equal Opportunity Employer

EOF - Emergency Operations Facility

EOJ - End of Job

EOP - Emergency Operations Plan

EOP - End-of-Pipe Treatment

EOP - Executive Office of the President

EORRA - Edible Oils Regulatory Reform Act of 1996

EOT - Emergency Operations Team

EOY - End of Year

EP - Earth Protectors

EP - Emergency Preparedness

EP - Emitting Process

EP - End-use Product

EP - Engineer Pamphlet

EP - Environmental Profile

EP - Experimental Product

EP - Extraction Procedure

EP(TEP) - Extraction Procedure (Toxicity)

E&P - Exploration and Production

EP3 - Environmental Pollution Prevention Project

EPA - Economic Price Adjustment

EPA - Environmental Protection Agency

EPA# - RCRA Generator ID Number

EPAA - Environmental Programs Assistance Act

EPAAR - EPA Acquisition Regulations

EPAC - Emergency Preparedness Advisory Committee

EPACA - U.S. Environmental Protection Agency Correlation Approach

EPACASR - EPA Chemical Activities Status Report

EPACIR - Circulation System

EPACML - EPA Composite Model for Landfills Report

EPACT - Energy Policy Act (1992)

EPACT - Environmental Policy Act

EPADOC - Document Control System

EPALIT - Gulf Breeze Text Data Management

EPANTS - NTIS/EPA Report System

EPATR - Translation System

EPAYS - EPA Payroll System

EPB - Extensor Pollicis Brevis

EPC - Electronic Product Code

EPC - Emergency Preparedness Coordinator

EPC - Exposure Point Concentration

EPCA - Energy Policy and Conservation Act (1975)

EPCD - Engine Programs and Compliance Division

EP/CP - Emergency Plan/Contingency Plan

EPCRA - Emergency Planning and Community Right-to-Know Act (1986); also known as Title III - Superfund Amendments and Reauthorization Act

EPD - Emergency Planning District

EPDM - Ethylene-propylene Terpolymer

EPE - Environmental Performance Evaluation

EFF - Environmental Planning Function

EPF - Environmental Protection Fund

EPI - Economic Performance Indicator

EPI - Environmental Policy Institute

EPI - Environmental Priorities Initiative

EPI - Epichlorohydrin

EPIC - Energy P2 Information Clearinghouse

EPIC - Environmental Photographic Interpretation Center

EPIC - Erosion Productivity Impact Calculator

EPID - Epidemiologocial Studies

EPIP - Emergency Plan Implementation Procedure

EPL - Evaluated Products List

EPLO - Emergency Preparedness Liaison Officer

EPN - Early Project Notification

EPN - Emission Point Number

EPNL - Effective Perceived Noise Level

EPO - Estuarine Programs Office

EPP - Environmental protection Program

EP&P - Environmental Planning and Permitting

EPPR - Emergency Prevention, Preparedness and Response

EPR - Ethylene-propylene Elastomers

EPR - Emergency Preparedness and Response

EPR - Extended Product Responsibility

EPRA - Environmental Property Assessment

EPRG - Environmental Policy Review Group

EPRI - Electric Power Research Institute

EPS - Environmental Protection Specialist

EPS - Expanded Polystyrene

EPSA - Electric Power Supply Association

EPTC - Extraction Procedure Toxicity Characteristic

EPTC - S-Ethyl Dipropylthiocarbamate

EPTOX - Extraction Procedure Toxicity Test

EQ - Environmental Quality

EQ - Exceptional Quality

EQA - Malaysia Environmental Quality Act

E&QA - Engineering & Quality Assurance

EQC - Exemption Quantitation Criteria

EQIP - Environmental Quality Incentives Program

EQL - Estimated Quantitation Limit

ER - Ecosystem Restoration

ER - Electrical Resistivity

ER - Electronic Records

ER - Emergency Room

ER - Engineer Regulation

ER - Environmental restoration

ER - Extrarespiratory

Er - Erbium

ERA - Ecological Risk Assessment

ERA - Economic Regulatory Agency

ERA - Environmental Risk Assessment

ERA - Expedited Response Action

ERAD - Economic and Regulatory Analysis Division

ERADCOM - U.S. Army Electronics Research and Development Command

ERAMS - Environmental Radiation Ambient Monitoring System

ERASMUS - European Action Scheme for the Mobility of University Students

ERB - Environmental Response Branch

ERC - Emergency Response Commission

ERC - Emissions Reduction Credit

ERC - Environment Research Center

ERC - Environmental Restoration Contractor

ERCS - Emergency Response Cleanup Services

ERD - Emergency Response Division

ERDA - Energy Research and Development Administration

ERDB - Environmental Radio Frequency Data Base

ERDC - Engineering Research Development Center

ERD&DAA - Environmental Research, Development and Demonstration Authorization Act

ERFD - Airborne Particulate and Precipitation Data

ERG - Emergency Response Guide

ERGO - Environmental Review Guide for Operations

ERGO - Extended Reports and Graphic Output

ER-HMI - Emergency Response Hazardous Materials Inspection Branch

ERIC - Educational Resources Information Center

ERIIS - Environmental Risk Information and Imaging Services

ERIS - Enforcement Case Support Expert Resources Information System

ERK - Electronic Recordkeeping

ERL - Environmental Research Laboratory

ERL/ERM - Effects Range Low/Effects Range Median

ERNS - Emergency Response Notification System

ERO - Emergency Response Organization

EROD - Enforcement Record of Decision

EROS - Earth Observation Satellite

ERP - Early Reduction Program

ERP - Effective Radiated Power

ERP - Emergency Response Plan

ERP - Enforcement Response Policy

ERP - Environmental Review Policy

ERPG - Emergency Response Planning Guidelines

ERRD - Emergency and Remedial Response Division

ERRIS - Emergency and Remedial Response Information System

ERRIS - Emergency and Remedial Response Inventory System

ERS - Economic Research Service

ERSS - Establishment Registration Support System

ERT - Emergency Response Team

ERT - Environmental Response Team

ERT-A - Emergency Response Team Advanced Element

ERTAQ - ERT Air Quality Model

ERT-N - National Emergency Response Team

ERTS - Earth Resources Technology Satellite

ERTW - Early Return to Work

ERW - Extraordinary Resource Waterbody

ES - Enforcement Strategy

ES - Engineering Staff

ES - Entrainment Separator

ES - Expert System

Es - Einsteinium

ES001 - Estuarine Water Quality Model

ESA - Ecological Services Analysis

ESA - Ecological Society of America

ESA - Endangered Species Act

ESA - Environmental Site Assessment

ESA - Environmentally Sensitive Area

ESA - Ethane Sulfonic Acid

ESAP - Environmental Sampling and Analysis Plan

ESAT - Environmental Services Assistance Team

ESBT - Energy Star Benchmarking Tool

ESC - Electronic Systems Center

ESC - Endangered Species Committee

ESC - Expedited Site Characterization

ESCA - Electron Spectroscopy for Chemical Analysis

ESCA - Endangered Species Conservation Act

ESCAP - Economic and Social Commission for Asia and the Pacific

ESCBA - Escape Self-Contained Breathing Apparatus

ESCO - Energy Service Company

ESCP - Employee Counseling Service Program

ESCWA - Economic and Social commission for West Asia

ESD - Electrostatic Dissipative

ESD - Emission Standards Division

ESD - Environmental Services Department

ESD - Environmental Services Division

ESDB - Endangered Species Database/Research Scanlink

ESDLS - EPAs Spatial Data Library System

ESE - Environmental Science and Engineering

ESEA - EPA/State Enforcement Agreement

ESECA - Energy Supply and Environmental Coordination Act

ESF - Emergency Support Function

ESFLG - Emergency Support Function Leadership Group

ESH - Enforcement Safety and Health

ESH - Environmental Safety and Health

ES&H - Environmental Safety and Health

ESHA - Environmentally Sensitive Habitat Area

ESI - Expanded Site Inspection

ESIC - Earth Science Information Center

ESL - Effects Screening Level

ESLI - End-of-Service-Life Indicator

ESO - Enforcement Specialist Office

ESO - Environmentally Significant Operation

ESP - Electrostatic Precipitator(s)

ESP - Environmental Support Program

ESP - Exchangeable Sodium Percentage

ESPA - Endangered Species Preservation Act

ESPS - Environmental Services Program Support

ESR - Enforcement System Review

ESRI - Environmental Systems Research Institute

ESRL - Environmental Sciences Research Laboratory

ESS - Enforcement Support Services

EST - Emergency Support Team

ESU - Evolutionarily Significant Units

ESWTR - Enhanced Surface Water Treatment Rule

ET - Ecotox Thresholds

ET - Emissions Trading

ET - Extrathoracic Region

ET - Event Tree

ETA - Energy Tax Act

ETA - Engineering and Technical Assistance

ETA - Estimated Time of Arrival

ETA - Event Tree Analysis

ETAG - Ecological and Technical Assessment Group

ETBE - Ethyl Tertiary Butyl Ether

ETC - Employee Transportation Coordinator

ETC - Energy Technology Centers

ETC - Environmental Technology Council (formerly Hazardous Waste Treatment Council)

ETD - Economics and Technology Division

ETEC - Energy Technology Engineering Center

ETF - Earmarked Tax Fund

ETHOX - Summary of Ecotox Data on Ethoxylated Surfactants

ETI - Elapsed Time Indicator

ETI - Environmental Technology Initiative

ETL - Engineer Technical Letters

ETL - Engineering Topographic Laboratories

ETM - Enhanced Thematic Mapper

EtO - Ethylene Oxide

ETOH - Ethanol

ETP - Emissions Trading Policy

ETPS - Emissions Trading Policy Statement

ETR - Employee Trip Reduction

ETS - EPCRA 313 Tracking System

ETS - Emissions Tracking System

ETS - Environmental Tobacco Smoke

ETS - EPCRA 313 Tracking System

ETS - Extramural Tracking System

ETS - Region 4 Reference and Administrative Orders Tracking System

ETSD - Enterprise Technology Services Division

ETT - Effluent Toxicity Testing

ETTAC - Environmental Technologies Trade Advisory Committee

ETV - Environmental Technology Verification Program

EU - Environmentally Unsatisfactory

EU - European Union (1994; formerly referred to as the EEC or EC)

EU - MACT Expanded Universe

Eu - Europium

EU-HWC - Emissions Unit - Hazardous Waste Combustor

EUP - End Use Product

EUP - Environmental Use Permit

EUP - Experimental Use Permit

EUTR04 - Eutrophication Model

EWCC - Environmental Workforce Coordinating Committee

EWG - Exempt Wholesale Generators

EWS - Engineering Work Station

EX - Executive Level Appointments

EXAMS - Exposure Analysis Modeling System

EXAMSII - Exposure Analysis Modeling System II

EXEX - Expected Exceedence

EXINTER - Expert Interface Version 1.0

EXL - Executive Control Language

EXTRC - Extraction Technology

EZP2 - Region 2 EZPLOT - User Operated Business Graphics Package
F

F - Fluorine

F list - Listed Hazardous Wastes from Nonspecific Sources

F1 - First Filial Generation

°F - Fahrenheit

FAA - Federal Aviation Administration

FAA - Free Available Ammonia

FAA-AFS - Federal Aviation Administration Flight Standards Service

FAC - Family Assistance Center

FAC - Federal Advisory Committee

FAC - Fee Available Chlorine

FACA - Federal Advisory Committee (Act)

FACA - Financial Assurance for Corrective Action

FACM - Friable Asbestos-Containing Material

FACP - Fire Alarm Control Panel

FACR - Final Acute Chronic Residue

FACT - ERL - Gulf Breeze Financial Data Management

FAD - Funding Authorization Document

FADH - Adherence Factor for Soil

FADINAP - Fertilizer Advisory, Development and information Network for Asia and the Pacific

FAFR - Fatal Accident Frequency Rate

FALCAP - Framework for Action on Land Conservation in Asia and the Pacific

FALD - Fahrenheit Agency Liaison Division

FAM - Friable Asbestos Material

FAME - Framework for Achieving Managerial Excellence

FAMS - Federal Air Marshals Service

FAN - Final Acceptance Notice

FAN - Fixed Account Number

FAO - Field Audit Office

FAO - Finance and Accounting Officer

FAO - Food and Agricultural Organization

FAQs - Frequently Asked Questions

FAR - Fatal accident Rate

FAR - Federal Acquisition Regulations

FAR - Federal Aviation Regulations

FAR - Federally Applicable Requirements

FARR - Federal Air Rules for Reservations

FARS - Fatality Analysis Reporting System

FAS - Freely Associated States

FASB - Financial Accounting Standards Board

FASE - Foundation for the Advancement in Science and Education

FASP - Field Analytical Support Program

FAST - Free and Secure Trade

FAST - Fugitive Assessment Sampling Train

FASTAC - Field and analytical Services Teaming Advisory Committee

FAT - First Article Testing

FATES - FIFRA and TSCA Enforcement System

FAV - Final Acute Value

FBANK3 - RTP National Filter Analysis Network

FBC - Fluidized Bed Combustion

FBI - Federal Bureau of Investigation

FBPOC - Facility Boundary Point of Compliance

FBR - Filter Backwash Recycling

FBR - Freeboard Ratio

FBRR - Filter Backwash Recycle Rule

FC - Compression Forces

FC - Flood Control

FC - Fluorocarbon

FCA - Full Cost Accounting

FCAA - Federal Clean Air Act

FCC - Federal Communications Commission

FCC - Fiscal Control Center

FCC - Fluid Catalytic Converter

f/cc - Fibers per Cubic Centimeter (of air)

FCCC - Framework Convention on Climate Change

FCCSET - Federal Coordinating Council for Science, Engineering and Technology

FCCU - Fluid Catalytic Cracking Unit

FCFF - Federal Clean Fuel Fleet Program

FCI - Fluid Controls Institute

FCM - Food Chain Multiplier

FCO - Federal Coordinating Officer (in disaster areas)

FCO - Forms Control Officer

FCQAS - Financial Compliance and Quality Assurance Staff

FCQCP - Final Cover Quality Control Plan

FCR - Flexor Carpi Radfialis

FCR - Future Contracting Request

FCSA - Feasibility Cost Sharing Agreement

FCU - Flexor Carpi Ulnaris

FDA - Food and Drug Administration

FDCA - Food, Drug and Cosmetic Act

FDD - Final Delivery Date

FDER - Florida Department of Environmental Regulation

FDF - Fundamentally Different Factor(s)

FDI - Foreign Direct Investment

FDIC - Federal Deposit Insurance Corporation

FDL - Final Determination Letter

FDM - Feature Design Memorandum

FDO - Fee Determination Officer

FDP - Flexor Digitorium Profundus

FDP - Flood Damage prevention

FDS - Flexor Digitorium Superficialis

FE - Facility Engineer

FE - Fugitive Emissions

Fe - Iron

FEA - Federal Energy Administration

FEB - Federal Executive Board

FEC - Federal Executive Council

FEC - Formal Enforcement conference

FECC - Federal Emergency Communications Coordinator

FEDS - Federal Energy Data System

FEF - Forced Expiratory Flow

FEFx - Forced Expiratory Flow

FEGLI - Federal Employee Group Life Insurance

FEHB - Federal Employees Health Benefits

FEI - Federal Executive Institute

FEIS - Final Environmental Impact Statement

FEIS - Fugitive Emissions Information System

FEL - Frank Effect Level

FEMA - Federal Emergency Management Agency

FEMA-10 - Federal Emergency Management Agency's Planning Guide & Checklist for Hazardous Materials Contingency Plans

FEMA-REP-1- Response Plans and Preparedness in Support of Nuclear Plants

FEMA-REP-5- Guidance for Developing State and Local Radiological Emergency Response Plans

FEMA-RFP-2- Guidance for Developing State and Local Radiological Emergency Response Plans

FEMIS - Federal Emergency Management Information System

FEMP - Fernald Environmental Management Project

FEP - Fluorinated Ethylene Propylene

FEPCA - Federal Environmental Pesticides Control Act (amendments to FIFRA)

FERC - Federal Energy Regulatory Commission

FERS - Federal Employees Retirement System

FES - Factor Evaluation System

FET - Foundation on Economic Trends

FETC - Federal energy Technology Centers

FEV - Forced Expiratory Factor (Volume)

FEVI - Front End Volatility Index

FEV1 - Forced Expiratory Factor - 1 second

FEW - Federally Employed Women

FF - Fabric Filter

FF - Federal Facilities

FFA - Federal Facilities Agreement

FFA - Flammable Fabrics Act

FFA/CO - Federal Facilities Agreement/Consent Order

FFAR - Fuel and Fuel Additive Registration

FFARS - Fuel and Fuel Additive Registration System

FFC - Federal Facility Coordinator

FFCA - Federal Facilities Compliance Act

FFCS - Federal Facilities Compliance Staff

FFDCA - Federal Food, Drug and Cosmetic Act

FFF - Firm Financial Facility

FFFSG - Fossil Fuel Fired Steam Generator

FFI - Forest Frontiers Initiative

FFI - Full Field Investigation

FFIS - Federal Facilities Information System

FFMC - Federal Financial Manager's Council

FFP - Firm Fixed Price

FFP/IDIQ - Firm Fixed Price Indefinite Quantity

FFP/IDRQ - Firm Fixed Price Requirements

FFRDC - Federally Funded Research & Development Center

FFRRO - Federal Facilities Restoration and Reuse Office

FFTF - Future Framework Task Force

FFV - Flexible Fueled Vehicles

FFY - Federal Fiscal Year

FGD - Flue Gas Desulfurization

FGDC - Federal Geographic Data Committee

FGDIS - Flue Gas Desulfurization Information System

FGETS - Food and Gill Exchange of Toxic Substances

FGR - Flue Gas Recirculation

FGS - Final Governing Standards

FGT - Flue Gas Treatment

FHA - Farmers Home Administration

FHA - Federal Housing Authority

FHLBB - Federal Home Loan Bank Board

FHSA - Federal Hazardous Substances Act

FHSLA - Federal Hazardous Substance Labeling Act

FHWA - Federal Highway Administration

FI - Field Interview

FIA - Federal Insurance Administration

FIATS - Freedom of Information Action Tracking System

FIC - Federal Information Center

FICA - Federal Insurance Contributions Act

FICs - Fluoroiodocarbons

FID - Flame Ionization Detector

FIELDS - Field Environmental Decision Support

FIFO - First In / First Out

FIFR - Region 7 FIFRA Neutral Inspection Selection System

FIFRA - Federal Insecticide, Fungicide and Rodenticide Act (1972)

FILS - Federal Information Locator System

FIM - Friable Insulation Material

FIN - Facility Identification Number

FINDS - Facility Index Systems

FIO - For Information Only

FIP - Federal Implementation Plan

FIP - Federal Information Plan

FIP - Federal Information Processing

FIP - Final Implementation Plan

FIPS - Federal Information Procedures System

FIPS - Federal Information Processing Standards

FIRE - Factor Information Retrieval Data System

FIRM - Field Inspection Reference Manual

FIRM - Field Inspection Reference Manual

FIRMIS - OSWER Information System

FIRMR - Federal Resources Management Regulation

FIRMS - Flood Insurance Rate Maps

FIRST - Federal Incident Response Support Team

FIRST-UP - Financial Information Register Satellite Terminal Users Package

FIS - Flood Insurance Studies

FISHTEM - National Compendium of Freshwater Fish & Water Temperature Data

FIT - Federal Investigation Team

FIT - Field Inspection Team

FIT - Field Investigation Team

FK - Fish Kill

FLAA - Flame Atomic Absorption

FLETC - Federal Law Enforcement Training Center

FLAM - Flammable

FLASH P - Flash Point

FLETC - Federal Law Enforcement Training Center

FLM - Federal Land Manager

FLP - Flash Point

FLPMA - Federal Land Policy and Management Act

FLRA - Federal Labor Relations Authority

FLRC - Federal Labor Relations Council

FLSA - Fair Labor Standards Act

FM - Factory Mutual

FM - Fire Marshall

FM - Friable Material

F&M - Foundations and Materials

F/M - Food to Microorganism Ratio

Fm - Fermium

FMAP - Financial Management Assistance Project

FMC - Federal Maritime Commission

FMC - Federal Mobilization Center

FMCS - Federal Mediation and Conciliation Service

FMCSA - Federal Motor Carrier Safety Administration

FMCSR - Federal Motor Carrier Safety Regulations

FMD - Financial Management Division

FMEA - Failure Mode and Effect Analysis

FMFC - Florida Marine Fisheries Commission

FMECA - Failure Mode, Effects and Critical Analysis

FMFIA - Federal Managers Financial Integrity Act

FML - Flexible Membrane Liner

FMLER - Flexible Membrane Liner Evaluation Report

FMO - Financial Management Officer

FMP - Facility Management Plan

FMP - Financial Management Plan

FMS - Ada Financial System Management

FMS - Financial Management System

FMS - Foreign Military Sales

FMSD - Facilities Management and Services Division

FMSMG - Financial Management System Management Group

FMSR - Facilities Management System

FMSTI - FMS Transaction Input System

FMSTIU - FMS Transaction Input & Update System

FMVCP - Federal Motor Vehicle Control Program

FMWOS - Facility Management work Order System

FN - Fog Nozzle

FNAL - Fermi National Accelerator Laboratory

FNS - Food and Nutrition Service

FNSI - Finding of No significant Impact

FO - Facilities Office

FOA - Facility Operations Area

FOA - Field Operating Activities

FOB - Free On Board

FOC - FEMA Operations Center

FOC - Full Operating Capability

FOCUS - For On-line Computer Users

FOD - Frequency of Detection

FOE - Friends of the Earth

FOG - Field Operations Guide

FOGRMA - Federal Oil and Gas Royalty Management Act

FOI - Freedom of Information

FOIA - Freedom of Information Act

FOISD - Fiber Optic Isolated Spherical Dipole Antenna

FOM - Field Operations Manual

FONPA - Finding of No Practicable Alternative

FONSI - Finding of No Significant Impact

FOP - Federal Operating Permit

FOPP - Federal Operating Permit Program

FOPS - Falling Object Protective Structure

FORAST - Forest Response to Anthropogenic Stress

FORTRAN - Formula Translation

FOSC - Federal On-Scene Coordinator

FOSD - Field Operations and Support Division

FOSL - Finding of Suitability to Lease

FOST - Finding of Suitability to Transfer

FOSTTA - Forum on States and Tribal Toxics Action

FOUO - For Official Use Only

FP - Fine Particulate

FP - Flash Point

fp - Freezing Point

FPA - Federal Pesticide Act

FPA - Final Project Announcement

FPAS - Foreign Purchase Acknowledge Statements

FPC - Federal Power Commission

FPD - Flame Photometric Detector

FPEIS - Fine Particulate Emissions Information System

FPI - Federal Prison Industries

FPI - Fixed Price Incentive

FPIF - Fixed Price Incentive Fee

FPL - Flexor Pollicis Longus

FPLH - Free-Phase Liquid Hydrocarbon

FPM - Federal Personnel Manual

FPM - Flood Plain Management

FPMS - Flood Plain Management Services

FPO - Federal Protective Officer

FPO - Fleet Post Office

FPPA - Federal Pollution Prevention Act

FPPB - Fiscal Policies and Procedures Branch

FPR - Federal Procurement Regulation

FPRS - Federal Program Resources Statement

FPRS - Formal Planning and Supporting System

FPS - Federal Protective Service

fps - Feet Per Second

FP&SR - Fall Protection & Scaffolding Regulations

FPTPI - Fiberglass Petroleum Tank and Pipe Institute

FPV - Final Plant Value

FQPA - Food Quality Protection Act

FQPASFC - Food Quality Protection Act Safety Factor Committee

FR - Federal Register

FR - Final Rulemaking

FR - Flame Resistant

FR - Flammable Range

Fr - Francium

FRA - Federal Register Act

FRA - Flame-Resistant Apparel

FRAB - Financial Reports and Analysis Branch

FRA-RRS - Federal Railroad Administrations Office of Safety Analysis

FRB - Federal Reserve Board

FRC - Feasibility Review Conference

FRC - Federal Records Center

FRC - Federal Resource Coordinator

FRC - Functional Residual Capacity

FRCS - Federal Register Chargeback System

FRDS - Federal Reporting Data System

FREDS - Flexible Regional Emissions Data System

FREE - Fund for Renewable Energy and the Environment

FRERP - Federal Radiological Emergency Response Plan

FRES - Forest Range Environmental Study

FRGAS - Foreign Refinery Gasoline

FRM - Federal Reference Methods

FRM - Final Rule Making

FRMAC - Federal Radiological Monitoring and Assessment Center

FRN - Federal Register Notice

FRN - Final Rulemaking Notice

FRO - Federal Register Office

FRP - Facility Response Plan

FRP - Federal Response Plans

FRP - Fiberglass Reinforced Plastic

FRP - Funding Recommendations Package

FRS - Formal Reporting System

FRTIB - Federal Retirement Thrift Investment Board

FRV - Final Residue Value

FS - Factor of Safety

FS - Feasibility Study

FS - Field Services

FS - Forest Service

FSA - Farm Service Agency

FSA - Food Security Act

FSAR - Final Safety Analysis Report

FSB - Financial Systems Branch

FSC - Federal Supply Class

FSC - Finance/Administration Section Chief

FSCM - Federal Supply Code for Manufacturers

FSEC - Florida Solar Energy Center

FSER - Final safety Evaluation Report

FSIP - Federal Service Impasse Panel

FSN - Federal Stock Number

FSP - Field Sampling Plan

FSR - Financial Status Report

FSR - Full Scale Range

FSS - Facility Status Sheet

FSS - Federal Supply Schedule

FSS - Federal Supply Service

FSSD - Facilities Support and Services Division

FST - Field Sobriety Test

FSTRAC - Federal-State Toxicology and Risk Analysis Committee

FSU - Former Soviet Union

FSUBS - Fuel Substitution

FT - Fault Tree

FT - Full Time

F(t) - Adsorption Function

ft - Foot

ft2 - Square Foot

ft3 - Cubic Foot

FTA - Fault Tree Analysis

FTA - Federal Transit Administration

FTC - Federal Trade Commission

FTE - Full Time Employee

FTE - Full Time Equivalent

FTIR - Fourier Transform Infrared

FTP - Federal Test Procedure

FTP - Field Task Proposal

FTR - Federal Travel Regulations

FTS - Federal Telecommunications System

FTS - Field Transfer System

FTS - File Transfer Service

FTT - Full Time Temporary

FTTA - Federal Technology Transfer Act

FTTS - FIFRA/TSCA Tracking System

FTU - Fixed Treatment Unit

FUA - Fuel Use Act

FUDS - Formerly Used Defense Sites

FUELDB - Fuels Inspection Data Base

FURS - Federal Underground Injection Control Reporting System

FUSRAP - Formerly Used Sites Remedial Action Plan

FUSRAP - Formerly Used Sites Remedial Action Program

FVC - Forced Vital Capacity

FVMP - Federal Visibility Monitoring Program

FVP - Field Verification Program

FW - Formula Weight

FW - Fresh Weigh (or Whole/Wet Weight) of Plant or Animal Tissue

FWA - Flow Weighted Average

FWCA - Fish and Wildlife Coordination Act

FWKO - Free Water Knock Out

FWL - Fish and Wildlife

FWP - Federal Women's Program

FWPAC - FWP Advisory Committee

FWPCA - Federal Water Pollution Control Act (1972)

FWPCA - Federal Water Pollution Control Administration

FWQA - Federal Water Quality Association

FWQC - Federal Water Quality Criteria

FWS - Fish and Wildlife Service

FY - Fiscal Year

FYI - For Your Information

G

g - grams

G3OS - Global Observation System

GA - Government Approved

Ga - Gallium

G&A - General & Administrative

GAAP - Generally Accepted Accounting Principles

GAARP - Grants ADABAS Access and Retrieval Package

GAC - Granular Activated Carbon

GAC - Groundwater Activated Carbon

GACT - Generally Available Control Technology

GACT - Granular Activated Carbon Treatment

GAD - Grants Administration Division

GADMIS - Grants Administration Division Management Information System

GADOSAG - Georgia DOSAG

GAE - Granulomatous Amoebic Encephalitis

GAG - Glycosaminoglycan

gal - Gallon

GALP - Good Automated Laboratory Practices

GAMA - Gas Appliance Manufacturers Association

GAO - General Accounting Office

GAP - Ganga River Action Plan

GAP - Gap Analysis Project

GAP - Groundwater Assessment Plan

GAQM - Guideline on Air Quality Models

GAR - Governors Authorized Representative

GAR - Groundwater Assessment Reports

GARP - Global Atmospheric Research Program

GASP - General ADP Support

GATT - General Agreement on Tariffs and Trade

GAUD - Region 4 Grants Audit System

GAW - Global Atmospheric Watch

GB - Geophysical Boreholes

GBERL - Gulf Breeze Environmental Research Laboratory

GBIF - Global Biodiversity Information Facility

GBL - Government Bill of Lading

GBNEP - Galveston Bay National Estuary Program

GBP - Gravity Based Penalty

GC - Gas Chromatography

GC - General Counsel

GCC - Global Climate Convention

GCC - Gulf Cooperation Council

GC/CD - Gas Chromatography/Conductivity Detector

GCCES - Gulf Coast Community Exposure Study

GC/CON - Gas Chromatography/Conductivity Detector

GCCS - Gas Collection and Control System

GCDB - Geographic Coordinate Data Base

GC/ECD - Gas Chromatography/Electron Capture Detector

GC/FID - Gas Chromatography/Flame Ionization Detector

GCGLD - Grants, Contracts, and General Law Division

GC/HRMS - Gas Chromatography/High Resolution Mass Spectrometry

GC/ITD - Gas Chromatography/Ion Trap Detector

GCL - Geosynthetic Clay Liner

GCLER - Geosynthetic Clay Liner Evaluation Report

GCM - General Circulation Models

GC/MS - Gas Chromatograph/Mass Spectrograph

GC/MS - Gas Chromatography/Mass Spectrometry

GCOE - Government Conference on the Environment

GCOS - Global Climate Observation System

GCP - Good Combustion Practices

GCPCD - Galveston County Pollution Control District

GCP D/O/M - Good Combustion Design, Operating, and Maintenance Practices

GC/PID - Gas Chromatograph/Photoionization Detector

GCPL - General Contractors Pollution Liability (Insurance)

GCPO - General Contractors Pollution Occurrence (Insurance)

GCS - Geo-Common Subsystem

GCSOLAR - Green Cross Solar

GCVTC - Grand Canyon Visibility Transport Commission

GCWR - Gross Combination Weight Rating

Gd - Gadolinium

g/day - Grams per Day

GDE - Generic Data Exemption

GDM - General Design Memorandum

GDP - Gross Domestic Product

g/dscm - Grams per Dry Standard Cubic Meter

GE - General Expense Appropriation

Ge - Germanium

GEA - Glossary of EPA Acronyms

GED - Gulf Ecology Division of the National Health and Environmental Effects Research Laboratory

GEF - Global Environmental Facility

GEI - Geographic Enforcement Initiative

GEIA - Global Emissions Inventory Activity

GEM - General Equilibrium Model

GEMI - Global Environmental Management Initiative

GEMS - Global Environmental Monitoring System

GEMS - Graphical Exposure Modeling System

GENEEC - Generic Expected Environmental Concentration

GEO - Global Environmental Outlook

GeoWBS - Geographically-Based Water Body System

GEP - Good Engineering Practice

GEP - Good Epidemiology Practice

GERT - General Employee Radiological Testing

GES - Global Enrollment System

GESAMP - Joint Group of Experts on the Scientific Aspects of Marine Environment Pollution

GF - General Files

GF - Graphite Furnace

GF - Green Fund

GFAA - Graphite Furnace Atomic Absorption

GFCI - Ground Fault Circuit Interrupter

GFD - Geotechnical Field Drilling

GFE - Government Furnished Equipment

GFF - Glass Fiber Filter

GFI - Government Furnished Items

GFI - Ground Fault Interrupter

GFM - Government Furnished Material

GFO - Grant Funding Order

GFP - Government-Furnished Property

GHG - Greenhouse Gas

GHP - Greater Houston Partnership

GI - Gastrointestinal

GI - General Investigation

GI - Global Indexing System

GICS - Grant Information and Control System

GIEWS - Global information and early warning System on Food and Agriculture

GIPME - Global Investigation of Pollution in the Marine Environment

GIRAS - Geographic Information Retrieval and Analysis System

GIS - Geographic Information System

GIS - Global Indexing System

GIS - Guidelines Implementation Staff

GISNET - Geographic Information System Bulletin Board

GISPLM - GIS Based Phosphorous Loading Model

GIWA - Global International waters assessment

GIWW - Gulf Inter-Coastal Waterway

GJ - Gigajoule

GLA - Generally Licensed Authorization

GLAD - Great Lakes Air Deposition

GLASOD - Global Assessment of Soil Degradation

GLC - Gas Liquid Chromatography

GLC - Ground Level Concentration

GLCmaximum - Maximum Ground Level Concentration

GLEAMS - Groundwater Loading Effects of Agricultural Management Systems

GLERL - Great Lakes Environmental Research Laboratory

GLH - EPAs Green Lights Hotline

GLI - Great Lakes Water Quality Initiative

GLIMR - Great Lakes Information Management Resources

GLLVHT - Generalized, Longitudinal-Lateral-Vertical Hydrodynamic and Transport

GLNPO - Great Lakes National Program Office

GLOBE - Global Learning and Observations to Benefit the Environment

GLOW - Greater Opportunity Leadership for Women

GLP - Good Laboratory Practice

GLPS - Good Laboratory Practice Standards

GLS - Ground Level Sampling

GLTxRX - Great Lakes Toxics Reduction Initiative

GLWQA - Great Lakes Water Quality Agreement

GLWQI - Great Lakes Water Quality Initiative

gm - Gram

GMA - Grocery Manufacturers Association

GMAV - Genus Acute Mean Value

GMCC - Global Monitoring for Climatic Change

GMCV - Genus Mean Chronic Value

GMDI - Geophysical Models for Data Interpretation

g/mi - Grams per mile

g/mmBTU - Grams per Million British Thermal Unit

GMO - Genetically Modified Organism

g-mole - Gram-mole

GMS - Geostationary Meteorological Satellite

GMSW - Gross maximum Shipping Weight

GMT - Greenwich Mean Time

GNF - General Navigation Feature

GNP - Gross National Product

GOA - Gulf of Alaska

GOB - Grants Operation Branch

GOCART - Georgia Tech/Goddard Global Ozone Chemistry Aerosol Radiation and Transport Model

GOCO - Government-Owned/Contractor-Operated

GOCM - Goals, Objectives, Commitments and Measures

GOES - Geosynchronous Operational Environmental Satellite

GOFNMS - Gulf of the Farallones National Marine Sanctuary

GOGO - Government-Owned/Government-Operated

GOIN - Global Observation Information Network

GOLE - GICS On-line Data Entry System

GOMP - Gulf of Mexico Project

GOMS - Grants Obligations Management System

GOOS - Global Oceans Observation System

GOP - General Operating Permit

GOP - General Operating Procedures

GOP - Good Operating Practices

GOPO - Government-Owned/Privately-Operated

GPA - Gas Processors Association

GPAD - Gallons per Acre per Day

GPC - General Plan Configurations

gpd - Gallons per Day

gpg - Grams per Gallon

gpm - Gallons per Minute

GPO - Government Printing Office

GPR - Ground-Penetrating Radar

GPRA - Government Performance and Results Act

GPRMC - European Organization for Reinforced Plastics/Composites Materials

GPS - Global Positioning System

GPS - Groundwater Protection Strategy

GPSA - Gas Processors Supplier Association

GPT - Gas Phase Titration

GPT - Glutamic-Pyruvic Transaminase

GQAP - Groundwater Quality Assessment Plan

gr - Grains (7000 grains per pound)

GR - Grab Radon Sampling

GRAS - Generally Recognized As Safe

GRAV - Unspeciated Gravimetric Compounds

GRCDA - Governmental Refuse Collection and Disposal Association

gr/dscf - Grains per Dry Standard Cubic Feet

GREAT - General Record of Enforcement Actions Tracked

GRGL - Groundwater Residue Guidance Level

GRH - Gramm-Rudman-Hollings Act

GRH - Guaranteed Ride Home

GRI - Gas Research Institute

GRID - Global Information Resource Database

GRIDS - Geographic Resources Information and Data System

GRP - Grasslands Reserve Program

GRP - Gross Regional Product

GRPH - Gasoline-Range Petroleum Hydrocarbons

GRPH - Region 4 Graphics System

GRR - General Reevaluation Report

GRS - General Records Schedule

GS - General Schedule

GS - Geological Survey

GSA - General Services Administration

GSAR - General Services Administration Acquisition Regulations

GSDP - Geophysical Survey Data Processing System

GSFC - Goddard Space Flight Center

GSR - Occupational Safety General Regulations

GSSHA - Gridded Surface Subsurface Hydrologic Analysis

GT - Gas Turbine

GTAB - Gasoline Treated as Blendstock

GTDMIS - GTD Bioassay System

GTN - Global Trend Network

GTNP - Grand Teton National Park

GTOS - Global Terrestrial Observation System

GTR - Government Transportation Request

gts - Gram of Total Solid

GTSP - Granular Triple Superphosphate

GTTS - Grants Treasury Tape System

GTZ - German Development Assistance Agency

GUI - Graphical User Interface

GVM - Gross Vehicle Weight

GVP - Gasoline Vapor Pressure

GVW - Gross Vehicle Weight

GVWR - Gross Vehicle Weight Rating

GW - Gigawatt

GW - Grab Working-Level Sampling

GW - Groundwater

GWC - Geotechnical Well Construction

GWDR - Ground Water Disinfection Rule

GWLF - Generalized Watershed Loading Functions

GWM - Groundwater Monitoring

GWM - Groundwater Policy and Management Staff

GWMT - Groundwater Monitoring Team

GWP - Global Warming Potential

GWPC - Ground Water Protection Council

GWPMS - Groundwater Policy and Management Staff

GWP-Ind - Groundwater Protection Standards for Industrial Use

GWP-Res - Groundwater Protection Standards for Residential Use

GWPS - General Word Processor Support

GWPS - Groundwater Protection Standard

GWPS - Groundwater Protection Strategy

GWS - Global waste Survey

GWSAP - Groundwater Sampling and Analysis Plan

GWSS - Groundwater Supply Survey

GWTF - Groundwater Task Force

GWTR - Groundwater Treatment Rule

GWUDI - Ground Water Under Direct Influence of Surface Water

GXIR - Highway-Rail Grade Crossing Incident Report Database

GYA - Greater Yellowstone Area

GYE - Greater Yellowstone Ecosystem

H

H - High Aquatic Life Use

H - Hydrogen

H2O - Water

H2O2 - Hydrogen Peroxide

H2S - Hydrogen Sulfide

H2SO4 - Sulfuric Acid

H3W - Household Hazardous Waste

HA - Hatch Act

HA - Hazard Assessment

HA - Health Advisory

HA - Hectares

HAA5 - Haloacetic Acids (Monochloroacetic, Dichloroacetic, Trichloroacetic, Monobromoacetic, and Dibromoacetic Acids)

HABITAT - United Nations Center for Human Settlements

HABS - Historic American Buildings Survey

HAC - House Appropriations Committee

HACS - Hazard Assessment Computer System

HAD - Health Assessment Document

HAF - Halogen Acid Furnace

HAL - Health Advisory Level

HAN - Heavy Aromatic Naphtha

HANES - Health and Nutrition Examination Survey

HANES I - First Health and Nutrition Examination Survey

HAOB - Headquarters Accounting Operations Branch

HAOP - Houston Area Oxidant Study

HAP - Hazardous Air Pollutant

HAP - Homeowners Assistance Program

HAPEM - Hazardous Air Pollution Exposure Model

HAPEMS - Hazardous Air Pollutant Enforcement Management System

HAPPS - Hazardous Air Pollutant Prioritization System

HAR - Hydrogeological Assessment Report

HAR03 - Region 2 Water Quality Models

HARS - Historic Area Remediation Unit

HAS - Health Assessment Summary

HASP - Health and Safety Plan

HATREMS - Hazardous and Trace Emissions System

HAVS - Hand-arm Vibration Syndrome

HAZAN - Hazard Analysis

HAZARD - Hazardous Waste Data Base

HAZCAT - Hazardous Categorization

HAZCOM - Hazard Communication Standard

HAZCOMM - Hazard Communications Act

HAZID - Hazard Identification

HAZMAT - Hazardous Material(s)

HAZMAT - Hazardous Material Spill Center

HAZOP - Hazard and Operability Study

HAZTRAK - Hazardous Materials Tracking System

HAZW - Hazardous Waste Collection Database

HAZWOPER - Hazardous Waste Operations and Emergency Response

HAZWRAP - Hazardous Waste Remedial Action Program

HB - Health Benefits

HBC - Health-Based Criteria

HBEP - Hispanic and Black Employment Programs

HBFC - Hydrobromofluorocarbon

HB/HA - Hour Before/Hour After

HBI - Hilsenhoff Biotic Index

HBL - Health Based Level

HBL - Health-Based Limits

HBN - Health Based Numbers

HBPHC - High Boiling Point Hydrocarbon

HBR - Halobutyl Rubber

HBV - Hepatitis B Virus

HC - Hazardous Constituents

HC - Hydrocarbons

HCA - Hazardous Communication Act

HCC - Human Cancer Criteria

HCCPD - Hexachlorocyclopentadiene

HCFC - Hydrochlorofluorocarbon

HCFC-22 - Chlorodifluoromethane

HCFC-31 - Chlorofluoromethane

HCFC-123 - 1,1,1-trifluoro-2,2-dichloroethane

HCFC-123a - 1,2-dichloro-1,1,2-trifluoroethane

HCFC-124 - 2-chloro-1,1,1,2-tetrafluoroethane

HCFC-141b - 1,1-dichloro-1-fluoroethane

HCFC-142b - 1-chloro-1,1-difluoroethane

HCFC-151a - 1-chloro-1-fluoroethane

HCFC-225ca - 3,3-dichloro-1,1,1,2,2-pentafluoropropane

HCHO - Formaldehyde

HCl - Hydrogen Chloride/Hydrochloric Acid

HCM - Highway Capacity Manual

HCP - Habitat Conservation Plan

HCP - Hypothermal Coal Process

HCS - Hazard Communication Standard

HCS - Hydrogen Chloride Scrubber

HCT - Hematocrit

HCV - Hepatitis C Virus

HD - House Document

HDD - Heavy Duty Diesel

HDDE - Heavy Duty Diesel Engine

HDDT - Heavy Duty Diesel Truck

HDE - Heavy Duty Engine

HDECERT - Heavy Duty Engine Certification Data

HDG - Heavy Duty Gasoline Powered Vehicle

HDGT - Heavy Duty Gasoline Truck

HDLNR - Hawaii Department of Land and Natural Resources

HDPE - High Density Polyethylene

HDT - Heavy Duty Truck

HDT - Highest Dose Tested (in a study)

HDV - Heavy Duty Vehicle

HE - Habitat Effectiveness

HE - Heat Exchanger

HE - Human Error

HEA - Habitat Equivalency Analysis

HEA - Health Effects Assessment

HEAL - Human Exposure Assessment Location

HEAR - Hazards, Equipment, Authorizations and Review Database

HEASD - Human Exposure and Atmospheric Science Division

HEAST - Health Effects Assessment Summary Tables

HEC - Human Equivalent Concentration

HEC - Hydrologic Engineering Center

HEC-6 - Hydraulic Engineering Center-Scour and Depositions in Rivers and Reservoirs

HEC-6T - Hydraulic Engineering Center-Sedimentation in Stream Networks

HEC-HMS - Hydrologic Engineering Center-Hydrologic Modeling System

HEC-RAS - Hydrologic Engineering Center-Hydrologic Modeling System

HECC - House Energy and Commerce Committee

HECSA - Humphreys Engineer Center Support Activity

HED - Hazard Evaluation Division

HED - Health Effects Division

HEED - Health and Environmental Effects Document

HEEP - Health and Environmental Effects Profile

HEGP - Gases and Particles

HEHF - Hanford Environmental Health Foundation

HEHP - Hazardous Pollutants Research

HEI - Health Effects Institute

HEI - Heat Exchanger Institute

HEICS - Hospital Emergency Incident Command System

HELP Model - Hydrologic Evaluation of Landfill Performance Model

HEM - Human Exposure Modeling

HEM - N-Hexane Extractable Material

HEM - Human Exposure Modeling

HEOX - Oxidants

HEP - Habitat Evaluation Procedures

HEP - Hispanic Employment Program

HEP - Household Evaluation Program

HEPA - High-Efficiency Particulate Air Filter

HEPS - Pesticides Research

HERD - Health and Environmental Review Division

HERL - Health Effects Research Laboratory

HERL/MIS - Health Effects Research Laboratory/Management Information System

HERS - High Energy Recovery System

HERS - Hyperion Energy Recovery System

HES - Habitat Evaluation System

HES - High Energy Scrubber

HESAP - Health and Environmental Study Audit Program

HETA - Health Hazard Evaluation and Technical Assistance

HETC - Toxic Substances Research

HEW - Department of Health, Education and Welfare

HEX - Hexavalent

HEX-BCH - Hexachloronorbornadiene

HF - High Frequency

HF - Hydrogen fluoride/Hydrofluoric Acid

Hf - Hafnium

HFAC - Human Factors Association of Canada

HFC - Hydrofluorocarbon

HFCS - Highway Functional Classification System

HFC-23 - Trifluoromethane

HFC-32 - Difluoromethane

HFC-125 - Pentafluoroethane

HFC-134 - 1,1,2,2-tetrafluoroethane

HFC-134a - 1,1,1,2-tetrafluoroethane

HFC-143a - 1,1,1-trifluoroethane

HFC-152a - 1,1-difluoroethane

HFC-161 - Ethylfluoride

HFC-236ea - 1,1,1,2,3,3-hexafluoropropane

HFC-236fa - 1,1,1,3,3,3-hexafluoropropane

HFC-245ca - 1,1,2,2,3-pentafluoropentane

HFC-245ea - 1,1,2,3,3-pentafluoropropane

HFC-245eb - 1,1,1,3,4-pentafluoropentane

HFC-245fa - 1,1,1,3,3-pentafluoropentane

HFC-365mfc - 1,1,1,3,3-pentafluorobutane

HFC 43-10mee - 1,1,1,2,3,4,4,5,5,5-decafluoropentane

HFOS - HERL Forced Oscillation System

Hg - Mercury

HGA - Houston-Galveston NESHAPS Nonattainment Area

HGAS - HERL Gas/Aerosol System

HgB - Hemoglobin

HGM - Hydrogeomorphic

HGMS - High-gradient Magnetic Separation

H&H - Hydology and Hydraulics

HHAG - Health Hazards Assessments Group

HHC - Highly Hazardous Chemical

HHDDV - Heavy Heavy-Duty Diesel Vehicle

HHE - Health Hazard Evaluation

HHE - Human Health and Environment

HH&E - Human Health and Environment

HHEM - Human Health Evaluation Manual

HHRA - Baseline Human Health Risk Assessment

HHS - Department of Health and Human Services

HHV - Higher Heating Value

HHW - Household Hazardous Waste

HI - Hazard Index

HIARC - Hazard Identification Assessment Review Committee

HID - High Intensity Discharge

HIDE - Heavy Duty Engine

HIDS - Hazardous Incident Data System

HIP - Migratory Bird Harvest Information Program

HIRI - Heat Island Reduction Initiative

HISLIB - Effluent Guideline GC/MS Screening Analysis Data Base

HITS - Headquarters Invoice Tracking System

HIV - Human Immunodeficiency Virus

HI-VOL - High Volume Sampler

HIWAY - A line source model for gaseous pollutants

HIWS - High Level Waste and Standards

HL - Hired Labor

HLA - Harding Lawson Associates

HLRW - High-Level Radioactive Waste

HLV - Hazard Limiting Value

HLVIT - Vitrification of High Level Mixed Radioactive Wastes

HLW - High Level Waste

HM181 - DOTs Identification Rule Making Number for HMTA Revisions

HMBP - Hazardous Materials Business Plan

HMCRI - Hazardous Materials Control Research Institute

HMEP - Hazardous Materials Emergency Preparedness

HMERC - Hazardous Materials Emergency Response Commission

HMIG - Hazardous Materials Identification Guide

HMIS - Hazardous Materials Information System

HMIS - Research Triangle Park Management Information System

HMIWI - Hospital/Medical/Infectious Waste Incineration

HMIX - Hazardous Materials Information Exchange

HMR - Hazardous Materials Regulations

HMRT - Hazardous Material Response Team

HMS - Highway Mobile Source

HMSO - Hazardous Materials Storage Ordinance

HMT - Hazardous Materials Table

HMT - Hazardous Materials Technician

HMTA - Hazardous Materials Transportation Act

HMTC - Hazardous Material Technical Center

HMTR - Hazardous Materials Transportation Regulations

HMTRI - Hazardous materials Training and Research Institute

HMTUSA - Hazardous Materials Transportation Uniform Safety Act

MNX - Cyclotetramethylene Tetranitramine

HN - Host Nations

HNO3 - Nitric Acid

HNV - Human Noncancer Value

HO - Headquarters Office

Ho - Holmium

HOCs - Halogenated Organic Compounds

HOC - Hazardous Organic Chemical

HOC - Hazardous Organic Constituents

HON - Hazardous Organic NESHAP

HOPS - Heuristic Optimized Processing System

HOV - High Occupancy Vehicle

HP - Health Physicist (Physics)

HP - HEPA Filter

HP - Highway Patrol

hp - Horse Power

HPAH - High Molecular weight Polycyclic Aromatic Hydrocarbon

HPC - Hazard Potential Category

HPD - Hearing Protection Device

HPI - Human Poverty Index

HPLC - High Performance Liquid Chromatography

HPLC - High Pressure Liquid Chromatography

HPLX - Research Triangle Park Plexiglas System

HPMS - Highway Performance Monitoring System

HPV - High Priority Violator

HPV - High Production Volume

HQ - Hazard Quotient

HQ - Headquarters

HQCDO - Headquarters Case Development Officer

HQUSACE - Headquarters U.S, Army Corps of Engineers

HQW - High Quality Waters

HR - Hazard Ratio

HR - House of Representatives

HR - House Report

HR - House Resolution

HR - Human Resources

Hr - Hour

HRA - Health Risk Assessment

HRA - Hourly Rolling Average

HRC - Human Resources Council

HRD - Human Resource Division

HRDB - Human Resources Development Branch

HRDC - Human Resources Development Canada

HREP - Habitat Restoration and Enhancement Project

HRGC - High resolution Gas Chromatography

HRGS - High Resolution Gas Chromatograph

HRL - Health Reference Level

HRMS - High Resolution Mass Spectrometry

HRPS - High Risk Point Sources

HRRCA - Health Risk Reduction and Cost Analysis

HRS - Hazard Ranking System

HRSD - Hazardous Response Support Division

HRU - Hydrologic Response Unit

HRUP - High Risk Urban Problem

HRVOC - Highly Reactive Volatile Organic Compound

HS - Hazardous Substance

HS - Hydrogen Chloride Scrubber

HSA - California Hazardous Substance Account

HSA - Hazardous Substances Act

HSA - Hollow Stem Auger

HSA - Hydrologically Sensitive Area

HSAS - Homeland Secirity Advisory System

HSC - Homeland Security Council

HSCAP - Hazardous Substances Cleanup Arbitration Panel

HSCD - Hazardous Site Control Division

HSCTM-2D - Hydrodynamic, Sediment and Contaminant Transport Model

HSDB - Hazardous Substance Data Bank®

HSDB - Hazardous Substance Database

HSDR - Hurricane and Storm Damage Reduction

HSE - Health and Safety Executive

HSEES - Hazardous Substances Emergency Events Surveillance

HSIA - Halogenated Solvent Industry Alliance

HSIN - Homeland Security Information Network

HSIR - Homeland Security Intelligence Report

HSIRS - Health and Safety Inspection Report System

HSL - Hazardous Substance List

HSO - Health & Safety Officer

HSOC - Homeland Security Operations Center

HSOMB - Homeland Security Operations Morning Briefing

HSP - Health and Safety Plan

HSPD - Homeland Security Presidential Directive

HSPF - Hydrological Simulation Program-Fortran

HSSDS - Hazardous solvents Substitution Data System

HSWA - Hazardous and Solid Waste Amendments (RCRA, 1984)

HT - Hypothermally Treated

HTHE - High Temperature Heat Exchanger

HTIC - House Transportation and Infrastructure Committee

HTML - Hyper Text Markup Language

HTMR - High Temperature Metals Recovery

HTP - High Temperature and Pressure

HTRN - Research Triangle Park Training System

HTRW - Hazardous, Toxic, and Radioactive Waste

HTRW-CX - Hazardous, Toxic, and Radioactive Waste Center of Expertise

HTS&SRS - Home Town Streets & Safe Routes to School

+HTS - Harmonized Tariff Schedule

HTTD - High Temperature Thermal Desorption

HTTP - Hyper-Text Transfer Protocol

HUC - Hydrologic Unit Code

HUD - Department of Housing and Urban Development

HV - Habitat Value

HV - Heating and Ventilation

HVA - Hazard Vulnerability Analysis

HVAC - Heating, Ventilation and Air Conditioning

HVIO - High Volume Industrial Organics

HVLD - Research Triangle Park Validation System

HVLP - High Volume, Low Pressure

HW - Hazardous Waste

HW - Head Water

HWAC - Hazardous Waste Action Coalition

HWC - Hazardous Waste Combustor

HWCAQSP - Hazardous Waste Combustion Air Quality Screening Procedure

HWC/HWI - Hazardous Waste Combustor/ Hazardous Waste Incinerator

HWCL - Hazardous Waste Control Law

HWDMS - Hazardous Waste Data Management System

HWD2 - Region 2 RCRA Facilities Hazard Rating Model

HWED - Hazardous Waste Enforcement Division

HWERL - Hazardous Waste Engineering Research Laboratory

HW-FW - Half Wave/Full Wave

HWGTF - Hazardous Waste Groundwater Task Force

HWGTF - Hazardous Waste Groundwater Test Facility

HWHF - Hazardous Waste Handling Facility

HWI - Hazardous Waste Incinerator

HWIR - Hazardous Waste Identification Rule

HWIS - Hazardous Waste Information System

HWLT - Hazardous Waste Land Treatment

HWM - Hazardous Waste Management

HWMA - Hazardous Waste Management Act

HWMD - Hazardous Waste Management Division

HWMU - Hazardous Waste Management Unit

HWRTF - Hazardous Waste Restrictions Task Force

HWSA - Hazardous Waste Services Association

HWSD - Hazardous Waste Site Data Base

HWSF - Hazardous Waste Storage Facility

HWSFC - Hazardous Waste Superfund Collection

HWSFD - Hazardous Waste Superfund Database

HWSS - Hazardous Waste and Superfund Staff

HWTC - Hazardous Waste Treatment Council

HYDE - History Database of Global Environment

Hz - Hertz

I

I - Intermediate Aquatic Life Use

I-94 - Application for Immigrant Visa

IA - DHS Office of Intelligence and Analysis

IA - Initial Appraisal

IA - Inter-Agency Agreement

IA - Interim Action

I/A - Innovative Alternative

IAAC - Interagency Assessment Advisory Committee

IAATO - International Association of Antarctic Tour Operators

IABIN - Inter-American Biodiversity Information Network

IAC - Incident Advisory Council

IAD - Internal Audit Division

IADB - Innovative/Alternative Pollution Control Technology Facility File Data Base

IADN - Integrated Atmospheric Deposition Network

IAEA - International Atomic Energy Agency

IAFF - International Association of Firefighters

IAG - Inter-Agency Agreement

IAG - Inter Agency Group

IAGP - Installation Accountable Government Property

IAIP - Information Analysis and Infrastructure Protection

IAL - Intraaural

IAL - Interim Ambient Level

IAM - Integrated Assessment Models

IAMAP - International Association of Meteorology and Atmospheric Physics

IAP - Incentive Awards Program

IAP - Incident Action Plan

IAP - Indoor Air Pollution

IAPA - Industrial Accident Prevention Association

IAQ - Indoor Air Quality

IAQINFO - Indoor Air Quality Information Clearinghouse

IARC - International Agency for Research on Cancer

IAS - Incineration at Sea Site Monitoring and Permits File

IAS - Initial Assessment Study

IASCP - Indoor Air Source Characterization Project

IAT - Intraarterial

IATA - International Air Transport Association

IATDB - Interim Air Toxics Data Base

IAW - In Accordance With

IB - Individual Baselines

IBA - Important Bird Area

IBA - Industrial Biotechnology Association

IBAMA - Brazilian Institute of Environment and Renewable Natural Resources

IBEP - Integrated Border Environmental Plan

IBEW - International Brotherhood of Electrical Workers

IBI - Index of Biotic Integrity

IBP - International Biological Program

IBR - Incorporation by Reference

IBRD - International Bank for Reconstruction and Development

IBSIN - Innovations in Building Sustainable Industries

IBT - Industrial Biotest Laboratory

IBWC - International Boundary and Water Commission

IC - Incident Command

IC - Incident Commander

IC - Inspection Coordinator

IC - Integrated Circuit

IC - Internal Combustion

IC - Ion Chromatography

ICAIR - Interdisciplinary Planning and Information Research

ICAO - International Civil Aviation Organization

ICAP - Inductively Coupled Argon Plasma

ICARDA - International center for Agricultural Research in Dry Areas

ICB - Information Collection Budget

ICB - Initial Calibration Blank

ICBEN - International Commission on the Biological Effects of Noise

ICB/ETD - Industrial Chemistry Branch/Economics and Technology Division

ICBG - International Cooperative Biodiversity Groups Program

ICBN - International Commission on the Biological Effects of Noise

ICBO - International Conference on Building Officials

ICC - Incident Communications Center

ICC - International Computing Center

ICC - Interstate Commerce Commission

ICCA - International Council of Chemical Associations

ICCAIA - International Coordinating Council of Aerospace Industries Association

ICCP - International Climate Change Partnership

ICCR - Industrial Combustion Coordinated Rulemaking

ICCROM - International Center for Conservation in Rome

ICCVAM - Interagency Coordinating Committee for Alternative Methods

ICE - Immigration and Customs Enforcement

ICE - In Case of Emergency

ICE - Industrial Combustion Emissions Model

ICE - Internal Combustion Engine

ICE - International Center for the Environment

ICE - Internet Center of Expertise

ICE - Intracereral

ICE Model - Internal Combustion Emissions Model

ICEA - Insulated Cable Engineers Association

ICEM - Institute for Corporate Environmental Management

ICEPP - Incident Communications Emergency Policy and Procedures

ICES - International Council for the Exploration of the Sea

ICESAT - Ice, Cloud, and Land Elevation Satellite

ICIMOD - International Center for Integrated Mountain Development

ICLEI - International Council for Local Environmental Initiatives

ICOLP - Industry Cooperative for Ozone Layer Protection

ICOMOS - International Council on Monuments and Sites

ICP - Incident Command Post

ICP - Inductively Coupled Plasma

ICP - Integrated Contingency Plan

ICP-AE - Inductively Coupled Plasma - Atomic Emission
Spectrometry

ICP-AES - Inductively Coupled Plasma - Atomic Emission
Spectrometry

ICP/MS - Inductively Coupled Plasma Mass Spectrometry

ICPIC - International Cleaner Production Information Clearinghouse

ICR - Ignitable, Corrosive and Reactive

ICR - Incremental Cancer Risk

ICR - Information Collection Request

ICR - Institute of Cancer Research

ICRA - Industrial Chemical Research Association

ICRE - Ignitability, Corrosivity, Reactivity, Extraction

ICRI - International Coral Reef Initiative

ICRISAT - International Crops Research Institute for the Semi-Arid Tropics

ICRP - International Commission on Radiological Protection

ICRU - International Commission on Radiological Units and Measurements

ICS - Incident Command System

ICS - Institute for Chemical Studies

ICS - Intermittent Control Strategies

ICS - Intermittent Control System

ICS - Isolated Combustion System

ICSPRO - Inter-Secretariat Committee on Scientific Problems Relating to Oceanography

ICSU - International Council of Scientific Unions

ICT - Information and Communications Technology

ICUZ - Installation Compatible Use Zone

ICV - Initial Calibration Verification

ICWE - International Conference on Water and the Environment

ICWI - Industrial and commercial waste Incinerators

ICWM - Institute for Chemical Waste Management

ICWP - Interstate Conference on Water Problems

ICZM - Integrated Coastal Zone Management

ID - Identification

ID - Inside Diameter

ID - Integrated Demonstrations

IDA - International Development Association

IDBS - Imports Data Base

IDC - Indefinite Delivery Contract

IDC - Interest During Construction

IDEA - Integrated Data for Enforcement Analysis

IDEA21 - Incentives, Disincentives, Environmental Performance and accountability for the 21st Century

IDEAL - Integrated Design and Evaluation Assessment of Loadings

IDEM - Indiana Department of Environmental Management

IDENT - Identification

IDEQ - Idaho Department of Environmental Quality

IDHW - Idaho Department of Health and Welfare

IDIQ - Indefinite Delivery Indefinite Quantity

IDL - Instrument Detection Limit

IDLH - Immediately Dangerous to Life or Health

IDP - Immediate Deployment Plan

IDP - Individual Development Plan

IDR - Intradermal

IDS - Intrusion Detection System

IDT - Indefinite Delivery Type

IDT - Interdisciplinary Team

IDTL - Idaho Initial Default Target Levels

IDW - Investigation Derived Waste

IE - Industry and Environment Office

IE - Ion Exchange

I/E - Information/Education

IEA - Integrated Environment Assessment

IEB - International Environment Bureau

IEC - Information, Education and Communication

IEC - International Electrotechnical Commission

IEE - Initial Environmental Evaluation

IEEA - Integrated System for Environmental and Economic Accounting

IEEE - Institute of Electrical and Electronic Engineers

IEHR - Institute for Evaluating Health Risks

IEI - Initial Emissions Inventory

IEMB - Integrated Environmental Management Division

IEMP - Integrated Environment Management Project

IEMS - Integrated Emergency Management System

IEN - Information Exchange Network

IEP - Interagency Ecological Program

IEPA - Illinois Environmental Protection Agency

IEPD - Industrial and Extractive Processes Division

IERL - Industrial Environment Research Laboratory

IES - Institute for Environmental Studies

IESWTR - Interim Enhanced Surface Water Treatment Rule

IEU/BK - Integrated Exposure Uptake/ Biokinetic Model

IFsoil/adj - Age-Adjusted Ingestion Factor (mg-yr/Kg-day)

IFA - Integrated Functional Appraisal

IFB - Invitation for Bid

IFC - International Finance Corporation

IFCAM - Industrial Fuel Choice Analysis Model

IFCS - International Forum on Chemical Safety

IFD - Industrial Facilities Discharge File (file within STORET)

IFF - Identify Friend or Foe

IFF - International forum on Forests

IFFWS - Inland Fisheries, Forestry, and Wildlife Sectors

IFI - Industrial Fasteners Institute

IFIS - Industrial File Information System

IFMS - Integrated Financial Management System

IFPP - Industrial Fugitive Process Particulate

IFPRI - International Food Policy Research Institute

IFR - Interim Final Rule

IG - Inspector General

IGAD - Inter-Governmental Authority on Development

IGBP - International Geosphere-Biosphere Program

IGCC - Integrated Coal Gasification Combined Cycle

IGCE - Independent Government Cost Estimate

IGCI - Industrial Gas Cleaning Institute

IGD - Inspector General Division

IGE - Independent Government Cost Estimate

IGFA - International Group of Funding Agencies for Global Change Research

IGOS - Integrated Global Observation Strategy

IGOSS - Integrated Global Ocean Station System

IGWMC - International Ground Water Modeling Center

IH - Industrial Hygiene

IHA - Integrated Hazard Appraisal

IHD - International Hydrological Decade

IHDP - International Human development Program

IHEC - Integrated Human Exposure Committee

IHEU - In-House Equipment Utilization

IHIT - Industrial Hygienist in Training

ihl - Inhalation

IHMM - Institute of Hazardous Materials Management

IHS - Indian Health Service

IHW - Industrial Hazardous Waste

I&HW - Industrial and Hazardous waste Permits Section

I/I - Inflow/Infiltration

IIAR - International Institute of Ammonia Refrigeration

IIASA - International Institute for Applied Systems Analysis

IIED - International Institute for Environment and development

IIMG - Interagency Incident Management Group

IINERT - In-Place Inactivation and Natural Restoration Technologies

IIPP - Injury and Illness Prevention Program

IIS - Inflationary Impact Statement

IISD - International Institute for Sustainable Development

IIUE - International Institute for Urban Environment

IJC - International Joint Commission between the U.S. and Canada

ILCI - International Loss Control Institute

ILEV - Inherently Low Emission Vehicle

ILO - International Labor Organization

ILS - Intergovernmental Liaison Staff

ILTA - Independent Liquids Terminal Association

ILTSF - Intermediate Level Transuranic Storage Facility

IM - Information Management

IM - Intramuscular

I&M - Inspection & Maintenance

I/M - Inspection/Maintenance

IMA - Information Mission Area

IMAGE - Integrated Model to Assess Greenhouse Effects

IMAGERY - Multispectral Scanner and Photographic Imagery

IMAN - NEIC Image Analysis System

IMCO - Intergovernmental Maritime Consultative Organization

IMD - Information Management Division

IMDL - Inter-Laboratory Method Detection Limit

IMERC - Incineration of Wastes Containing Organics and Mercury

IMF - International Monetary Fund

IMIQ - Mexican Institute of Chemical Engineers

IMIS - Integrated Management Information System

IMM - Intersection Midblock Model

IMO - Information Management Office

IMO - International Maritime Organization

IMP - Integrated Management Practices

IMPACT - Integrated Model of Plumes and Atmosphere in Complex Terrain

IMPROVE - Inter-Agency Monitoring of Protected Visual Environment

IMS - Information Management Staff

IMS - Information Management System

IMS - Internet Map Server

IMS - Intramodal System

IMS - Ion Mobility Spectrometry

ims - Intramuscular

IMSD - Information Management and Services Division

IMSURT - International Medical Surgical Response Team

IMT - Incident Management Team

in - Inch

in2 - Square Inch

INBIO - Costa Rica National Biodiversity Institute

INC - Intergovernmental Negotiating Committee

INCE - Institute of Noise Control Engineers

INCITS - International Committee for Information Technology Standards

INDOEX - Indian Ocean Experiment

INDX - Enforcement Document Retrieval System

INE - Insituto Nacional de Ecologia

INEL - Idaho National Engineering Laboratory

INEEL - Idaho National Engineering and Environmental Laboratory

INFORMED - Information Needs for Making Environmental Decisions

INFOTERRA - Global Environmental Information Exchange Network

INPUFF - Gaussian Puff Dispersion Model

INRT - Initial National Response Plan

INSA - Inland Navigation Systems Analysis

insol - Insoluable

INT - Intermittent

INUR - Inventory Update Rule

INVITRO - Research Triangle Park In Vitro System

IO - Immediate Office

IO - Information Officer

IOAA - Immediate Office of the Assistant Administrator

IOAU - Input/Output Arthmetric Unit

IOB - Iron Ore Beneficiation

IOC - Indian Ocean Commission

IOC - Initial Operating Capability

IOC - Inorganic Chemical

IOC - Intergovernmental Oceanographic Commission

IOF - Interim Operating Facility

IOHS - International Occupational Hygiene Society

IOM - Inter Office Memorandum

IOSH - Institution of Occupational Safety and Health

IOTV - Interoffice Transfer Voucher

IOU - Input/Output Unit

IOUs - Investor Owned Utilities

IP - DHS Office of Infrastructure Protection

IP - Induced Polarization

IP - Industrial Plus

IP - Inhalable Particles (Particulates)

IP - Integrated Programs

IP - Interphalangeal

IPA - Intergovernmental Personnel Act

IPA - Intergovernmental Personnel Agreement

IPA - Isopropyl Alcohol (isopropanol)

IPCC - Intergovernmental Panel on Climate Change

IPCS - International Program on Chemical Safety

IPCT - Industrial process Cooling Towers

IPEP - Institute of Professional environmental Practice

IPL - Interim Priority List

IPM - Inhalable Particulate Matter

IPM - Integrated Pest Management

IPM - Insoluble Polystyrene Microspheres

IPMN - Inhalable Particular Network

IPMP - Initial Project Management Plan

IPMPCS - Integrated Pest Management and Program Coordination Staff

IPP - Implementation Planning Program

IPP - Independent Power Producer

IPP - Integrated Plotting Package

IPP - Intermediate Priority Pollutant

IPPC - Integrated Pollution Prevention and Control

IPPS - Industrial Pollution Projection System

IPR - In-progress Review

IPS - Iron Pipe Standard

IPSec - Internet Protocol Security

IQAT - Independent Quality Assurance Team

IR - Immediate Removal

IR - Infrared

IR - Installation Restoration

IR - Intake ratio

IR - Ingestion or Inhalation Rate

IRair - Daily Indoor Inhalation Rate (m3/day)

IRsoil - Workday Soil Inhalation Rate (mg/day)

IRw - Daily Water Inhalation Rate (liter/day)

IRA - Interim Response Action

IRC - Industrial Refrigeration Consortium

IRC - Issue Resolution Conference

IRD - Information Resources Directory

IREG - Information Resources Exchange Group

IRF - Incineration Research Facility

IRFA - Initial Regulatory Flexibility Analysis

IRG - Inter-Agency Review Group

IRIS - Instructional Resources Information System

IRIS - Integrated Risk Information System

IRLG - Interagency Regulatory Liaison Group (composed of EPA, CPSC, FDA, and OSHA)

IRM - Immediate Remedial Measures

IRM - Immediate Removal Measures

IRM - Information Resources Management

IRM - Interim Remedial Measures

IRM - iron Rich Material

IRMC - Inter-Regulatory Risk Management Council

IRMROP - Information Resources Management Review and Oversight Program

IRP - Installation Restoration Process

IRP - Installation Restoration Program

IRP - Integrated Risk Project

IRPTC - International Register of Potentially Toxic Chemicals

IRR - Institute of Resource Recovery

IRR - Inventory Reporting Requirement System

IRS - Intergovernmental Relations Staff

IRS - Intermedia Ranking Staff

IRS - Internal Responsibility System

IRS - Internal Revenue Service

IRS - International Referral Systems

IRS - Inventory Reduction System

IRSD - Information and Regulatory Systems Division

IRSST - LInstitut de Recherche en Sante et en Securite du TraviaI

RTA - Institute for Research and Technical Assistance

IS - Indicator Source

IS - Industrial Water Supply

IS - Interim Status

ISA - The Instrumentation, Systems and Automation Society

I&SA - Installation and Support Activity

ISAM - Indexed Sequential File Access Method

ISAO - Information Sharing and Analysis Organization

ISBMG - Individual Small Business Marketers of Gasoline

ISC - Industrial Source Complex Model

ISCL - Interim Status Compliance Letter

ISCLT - Industrial Source Complex Long-term Model

ISCP - Installation Spill Contingency Plan

ISCST - Industrial Source Complex Short-term Model

ISCST3 - Industrial Source Complex Short Term 3

ISCSTDFT - Industrial Source Complex Short Term Draft

ISD - Information Services Division

ISD - Information Systems Division

ISD - Interim Status Document

ISDB - Industry Studies Data Base

ISE - Ion-Selective Electrode

ISE - Ion-Specific Electrode

ISEA - Industrial Safety Equipment Association

ISESCO - Islamic Educational Scientific Cultural Organization

ISF - Interspecies Sensitivity Factor

ISFA - Industrial Support Function Area

ISI - Information Systems Inventory

ISIC - International Standard Industrial Classification

ISIS - Industry File Indexing System

ISIS - International Species Information System

ISM - Integrated Safety Management

ISM - Interim Stabilization Measures

ISMAP - Indirect Source Model for Air Pollution

ISO - International Standards Organization

ISPF - Interactive System Productivity Facility

ISRI - Institute of Scrap Recycling Industries

ISRIC - International Soil Reference and Information Center

ISS - Information Security Specialist

ISS - Information Systems Staff

ISS - Interim Status Standards

ISSDS - Integrated Solvent Substitution Data System

ISSECS - Integrated Spectroscopic System for Environmental Contaminant Speciation

ISSS - International Society of Soil Science

ISTAS - Instituto Sindical de Trabajo Ambiente y Dalud

ISTEA - Intermodal Surface Transportation Efficiency Act

ISU - In-Situ Remediation

ISV - In-Situ Vitrification

ISWMP - Integrated Solid Waste Management Plan

IT - Information Technology

ITAAC - Inspections, Tests, Analyses, and Acceptance Criteria

ITC - Indian Tribal Council

ITC - Innovative Technology Council

ITC - Inter-Agency Testing Committee (EPA, DOI, OSHA, et.al.)

ITC - International Trade Commission

ITD - Industrial Technology Division

ITD - Inhalation Toxicological Division

ITD - Ion Trap Detector

ITDB - Intermodal Transportation Database

ITDP - Individual Training and Development Plan

ITE - Institute of Transportation Engineers

ITEMS - Monterey, Mexico Institute of Technology of Higher Studies

ITII - International Technical Information Institute

ITIPS - Information Technology Investment Portfolio System

IT IS - Integrated Taxonomic Information System

ITM - Inland Testing Manual

ITMS - Integrated Transportation Management System

ITP - Individual Training Plan

ITP - Industrial Toxics Project

ITR - Independent Technical Review

ITR - Innovative Technology Requirement

ITRC - Interstate Technology Regulatory Coordination

ITRD - Innovative Treatment Remediation Demonstration

ITRT - Independent Technical Review Team

ITS - Inspection Targeting Strategy

ITS - Intelligent Transportation System

ITS - Interagency Testing Committee Tracking System

ITSS - Integrated Technical Support Services System

ITU - International Telecommunication Union

iu - International Units

IUCLID - International Uniform Chemical Information Database

IUCN - International Union for Conservation of Nature and Natural Resources

IUCN - World Conservation Union

IUFED - In-USE Vehicle Fuel Economy Data

IUFRO - International Union of Forestry Research Organization

IUP - Intended Use Plan

IUPAC - International Union of Pure and Applied Chemistry

IUR - Inhalation Unit Risk

IUR - Inventory Update Rule

IUTA - In-Use Technology Assessment

IV - Intravenous

IVHS - Intelligent Vehicle Highway System

IVIC - Institute of Scientific Research, Caracas

ivn - Intravenous

IVTC - International Visitors and Travel Coordinator

IV&V - Independent Validation and Verification

IWA - Inside Work Area

IWC - In-Stream Waste Concentration

IWC - International Whaling Commission

IWG - Intergovernmental Working Group

IWI - Index of Watershed Indicators

IWMB - Integrated Waste Management Board

IWMP - Integrated Waste Management Plan

IWP - Indicative World Plan

IWR - Institute for Water Resources

IWS - Ionizing Wet Scrubber

IWTF - Inland Waterway Trust Fund

IWTP - Industrial Waste Treatment Plant

IWTS - Integrated Waste Tracking System

IWW - Industrial Wastewater

IWW - Inland Waterways
J

J - Flux

J & A - Justification and Approval

JAPCA - Journal of Air Pollution Control Association

JASPER - Joint Actinide Shock Physics Experimental Research

JATS - Job Application Tracking System

JCAHO - Joint Commission on Accreditation of Healthcare Organizations

JCEDAR - Joint Committee on Environment and Development in the Arab Region

JCL - Job Control Language

JCP - Joint Committee on Printing

JEC - Joint Economic Committee

JECFA - Joint Expert Committee of Food Additives

JEIOG - Joint Emissions Inventory Oversight Group

JFMIP - Joint Financial Management Improvement Program

JFO - Joint Field Office

JFOCG - Joint Field Office Coordination Group

JHA - Job Hazard Analysis

JHQ - Job Hazard Questionnaire

JIC - Joint Information Center

JIS - Joint Information System

JLC - Justification for Limited Competition

JMPR - Joint Meeting on Pesticide Residues

JNCP - Justification for Noncompetitive Procurement

JOC - Joint Operations Center

JOFOC - Justification for Other Than Full and Open Competition

JOHSC - Joint Occupational Health and safety Committee

JP-8 - Jet Fuel

JPA - Joint Permitting Agreement

JPAS - Joint Personnel Adjudication System

JPG - Jefferson Proving Ground (Indiana)

JPO - Joint Program Office

JRIES - Joint Regional Information Exchange System

JSD - Jackson Structured Design

JSI - Job Severity Index

JSP - Jackson Structured Programming

JSP - Java Server Pages

JTC - Joint Technical Committee

JTF - Joint Task Force

JTR - Jobs Through Recycling Program

JTR - Joint Travel Regulations

JTTF - Joint Terrorism Task Force

JTU - Jackson Turbidity Unit

JUDO - Judicial Officer Case Tracking System

JUXOCO - Joint UXO Coordination Office

JV - Journal Voucher

JVM - Java Virtual machine

K

K - Contract

K - Kelvin

Kd - Soil-Water Partition Coefficient

Koc - Octanol-Water Partition Coefficient

Kow - Octanol-Water Partition Coefficient

k - Kilometers

k2 - Square Kilometers

K list - Listed Hazardous Wastes from Specific Sources

KAPL - Knolls Atomic Power Laboratory

keV - Kilo Electron Volt

kg - Kilogram

kg/ha/yr - Kilograms per Hectare per Year

kg/hr - Kilograms per Hour

KGRA - Known Geothermal Resource Area

kg/t - Kilograms per Metric Ton

kg/yr - Kilograms per Year

kHz - Kilohertz

KINEROS2 - Kinematic Runoff and Erosion Model, v2

K-ing - Contracting

KIPDA - Kentuckiana Regional Planning and Development Agency

km - Kilometer

kN - Kilonewton

KO - Contracting Officer

KOV - Knock Out Vessel

KP - Permeability Coefficient

Kr - Contractor

KSCATS - Kirkwood Highway Sydney Control Adaptive Traffic System

kPa - Kilopascal

kVa - Kilovolt Ampere

kw - Kilowatt

kwh - Kilowatt Hour

KWIC/UNVAC - Research Triangle Park Fey Word in Context Index

L

L - Limited Aquatic Life Use

l - Liter

LA - Load Allocations

LAA - Lead Agency Attorney

LAB - Linear Alkylbenzenes

LABCOM - US Army Laboratory Command

LABELS - Region 3 Mail Labels System

LABPROP - Laboratory Property Management System

LAC - Latin America and the Caribbean

LAC - Limits of Acceptable Change

LADCo - Lake Michigan Air Directors Consortium

LADD - Lifetime Average Daily Dose

LADD - Lowest Acceptable Daily Dose

LAER - Lowest Achievable Emission Rate

LAI - Laboratory Audit Inspection

LAKE - Clean Lakes Database

LAMP - Lake Acidification Mitigation Project

LaMP - Great Lakes Lakewide Management Plan

LAMS - Lake Analysis Management System

LAN - Local Area Network

LANL - Los Alamos National Laboratory

LAN/MAN - Local Area Network/Metropolitan Area Network

LAO - Local Administrative Officer

LAO - Local Area Operations

LAO - Local Area Office

LAP - Laboratory Analytical Protocol

LAP - Load, Assembly and Pack

LAR - Legislative Appropriation Request

LARA - Lead Abatement Risk Assessor

LASH - Lighter Aboard Ship

LB - Laboratory

lb - Pound

LBAU - Lab automation System

LBB - Legislative Budget Board

lb/d - Pounds per Day

lb/ft2 - Pounds per Square Foot

LBGR - Lower Bound Gray Region

LBI - Limited Background Investigation

LBL - Lawrence Berkeley Laboratory

LBNL - Lawrence Berkeley National Laboratory

LBP - Lead Based Paint

LBPACD - Lead Based Paint Architectural Component Debris

lbs/hr - Pounds per Hour

LBV - Low Band Video

LC - Lethal Concentration

LC - Liquid Chromatography

LC - Loading Capacity

LC - Locked Closed

LC50 - Concentration of a Toxicant that is Lethal to 50% of the Organisms Tested in a Specified Period

LCA - Life Cycle Analysis

LCA - Life Cycle Assessment

LCA - Local Cooperation Agreement

LCCA - Lead Contamination Control Act

LCD - Liquid Crystal Display

LCD - Local Climatological Data

LCD - Local Climatological data annual summary with comparative data

LCL - Lower Control Limit

LCLo - Lowest Published Lethal Concentration

LCM - Life Cycle Management

LCMIS - Life Cycle Management of Information Systems

LCP - Local Coastal Program

LCPM - Life Cycle Project Management

LCRA - Lower Colorado River Authority

LCRS - Leachate Collection and Removal System

LCS - Laboratory Computer System

LCS - Laboratory Control Sample

LCS - Leachate Collection System

LD - Land Disposal

LD - Lethal Dose

LD - Light Duty

LD50 - Median Lethal Dose (i.e., dosage of a toxic substance which kills 50% of the test animals)

L&D - Lock and Dam

LDAR - Leak Detection and Repair

LDC - London Dumping Convention

LDCRS - Leachate Detection, Collection and Removal System

LDD - Light Duty Diesel

LDDT - Light Duty Diesel Truck

LDDV - Light Duty Diesel Vehicle

LDEQ - Louisiana Department of Environmental Quality

LDF - Land Disposal Facility

LDGT - Light Duty Gasoline Truck

LDH - Lactic-Acid Dehydrogenase

LDIAD - Laboratory Data Integrity Assurance Division

LDIP - Laboratory Data Integrity Program

LD LO - Lowest Dosage of a Toxic Substance that Kills Test Organisms

LDMS - Region 2 Lab Data Management System

LDPE - Low Density Polyethylene

LDPFA - Land Disposal Program Flexibility Act

LDPHDN - Lead Additive Report for Refineries and Importers and Manufacturing

LDR - Land Disposal Restrictions

LDRD - Laboratory Directed Research and Development

LDRRDDB - Land Disposal Restrictions Rule Development

LDRTF - Land Disposal Restrictions Task Force

LDS - Leak Detection System

LDS - Light Duty Vehicle/Truck Certification

LDSFE - Fuel Economy

LDT - Light Duty Truck

LDT - Lowest Dose Tested

LDV - Light Duty Vehicle

LEA - Local Educational Authority

LEA - Local Enforcement Agency

LEA - Low Excess Air

LEAF - Legal Environmental Assistance Foundation

LEC - Local Emergency Coordinator

LED - Light Emitting Diode

LED - Low Emission Diesel

LEDO - Long Term Effects of Dredging Operations

LEL - Lower Explosive Limit

LEL - Lower Exposure Limit

LEL - Lowest Effect Level

LEP - Laboratory Evaluation Program

LEPC - Local Emergency Planning Committee

LEPD - Legal Enforcement Policy Division

LEPOR - Long-term and Expanded Program of Oceanic Exploration and Research

LERAM - Littoral Ecosystem Risk Assessment Model

LERC - Local Emergency Response Committee

LERD - Land, Easements, Rights-of-way, and Disposal Areas

LERR - Land, Easements, Rights-of-way, and Relocations

LERRD - Land, Easements, Rights-of-way, Relocation and Disposal Areas

LES - Law Enforcement Sensitive

LEV - Low Emissions Vehicle

LEVEL8(A) - TSCA 8(a) Level A Information System

LF - Low Frequency

LFG - Landfill Gas

LFL - Lower Flammability Limit

LGP - Low Ground Pressure

LGR - Local Governments Reimbursement Program

LH - Labor Hours

LHDDV - Light Heavy Duty Diesel Vehicle

LHMA - Labeling of Hazardous Materials Act

LHV - Low Heating Value

LHW - Liquid Hazardous Waste

LI - Langelier Index

L&I - License and Inspection

LIBBKS - Headquarters Book System

LIBR - Research Triangle Park Library

LID - Low Impact Development

LIDAR - Light Detection and Ranging

LIFE - Community Financial Instrument for the Environment

LIFO - Last In / First Out

LIH - Licensed Industrial Hygienist

LIMB - Limestone-Injection Multi-Stage Burner

LIMDIS - Limited Distribution

LIMS - Laboratory Information Management System

LIQ - Liquid

LIRAP - Low Income Vehicle Repair, Assistance, Retrofit, and Accelerated Vehicle Retirement Program

LIRAQ - Livermore Regional Air Quality Model

LISTS - Locator and Information Tracking System

LITS - Litigation Support System

LLDPE - Linear Low Density Polyethylene

LLEXT - Liquid Liquid or Solvent Extraction

LLNL - Lawrence Livermore National Laboratory

LLR - Lessons Learned Report

LLRW - Low Level Radioactive Waste

LLRWPA - Low Level Radioactive Waste Policy Act

LLTSM - Low Level Threat Source Material

LLW - Low Level Waste

L/M - Line Management

LME - Low Mass emissions

LMF - Logical Mainframe

LMFBR - Liquid Metal Fast Breeder Reactor

LMM - Lumbar Motion Monitor

LMMP - Limited Map Maintenance Program

LMO - Living Modified Organism

LMOP - Landfill Methane Outreach Program

LMOS - Lake Michigan Ozone Study

LMR - Labor Management Relations

LMS - Linearized Multistage Model

LMVD - Lower Mississippi Valley Division

LNAPL - Lighter than Water Non-aqueous Phase Liquid

LNB - Low Nitrogen Oxides Burner

LNEP - Low Noise Emission Product

LNG - Liquefied Natural Gas

LNO - Liaison Officer

LNRD - Land and Natural resources Division

LO - Lack of Objectives

LO - Locked Open

LOAEL - Lowest Observed Adverse Effect Level

LOC - Level of Concern

LOC - Library of Congress

LOC - Loss of Containment

LOC-TFCS - Letter of Credit, Dept. of Treasury Financial Communications System

LOCATOR - Mail Locator

LOD - Limit of Detection

LOE - Level of Effort

LOEC - Lowest Observed Effect Concentration

LOEL - Lowest Observed Effect Level

LOI - Letter of Intent

LOI - Loss on Ignition

LOIS - Loss of Interim Status

LONGZ - Long Term Terrain Model

LOOK-UP - On-line Account Status and payment History

LOP - Letter of Permission

LOQ - Level of Quantification

LOQ - Limit of Quantitation

LOR - Liquid Organic Reactor

LOS - Level of Service

LOSS - Licensed On-site Supervisor

LOTMP - Lake Ontario Toxics Management Plan

LOU - Limited Official Use

LOV - Letter of Violation

LP - Legislative Proposal

LPAH - Low Molecular Weight Polycyclic Aromatic Hydrocarbon

LPG - Liquefied Petroleum Gas

LPIG - Low Pressure Inert Gas

LPM - Low Permeability Media

lpm - Liters per Minute

LPP - Local Protection Project

LPST - Leaking Petroleum Storage Tank

L & Q - Limitations and Qualifications

LQAC - Laboratory Quality Assurance Coordinator

LQER - Lesser Quantity Emission Rates

LQG - Large Quantity Generator

LQHUW - Large Quantity Handlers of Universal Waste

LQMM - Laboratory Quality Management Manual

LRAD - Long Range Alpa Detector

LRMP - Land and Resource Management Plan

LRMS - Low Resolution Mass Spectroscopy

LRO - Labor Relations Officer

LRPO - Location Radiation Protection Officer

LRR - Limited Reevaluation Report

LRT - Light Rail Transit

LRT - Liquids Release Test

LRTAP - Long Range Transboundary Air Pollution

LRTP - Long Range Transportation Plan

L/S - Liquid to Solid

LSA - Labor Surplus Area

LSD - NEIC Laboratory Services Division

LSC - Laboratory Services Coordination

LSC - Logistics Section Chief

LSI - Large Spark Ignition Engines

LSI - Legal Support Inspection

LSL - Lump Sum Leave

LSO - Laser Safety Officer

LSPC - Loading Simulation Program in C++

LST - Low-Solvent Technology

LT - Lifetime

LTA - Lead Trial Attorney

LTA - Less Than Adequate

LTBMU - Lake Tahoe Basin Management Unit

LTC - Long-Term Concentration

LTCS - Long Term Contracting Strategy

LTD - Land Treatment Demonstration

LTD - Long Term Disability

LTHE - Low Temperature Heat Exchanger

LTI - Less Than Interesting

LTL - Less than Truckload Quantity

LTMS - Long Term Management Strategy

LTO - Landing Takeoff Cycle

LTOP - Lease to Purchase

LTPD - Long Tons per Day

LTR - Lead Technical Representative

LTRA - Long Term Remedial Action

LTRL - Long Term Remediation List (formerly the NPL)

LTRMP - Long Term Resource Monitoring Program

LTTD - Low Temperature Thermal Desorption

LTU - Land Treatment Unit

LT1ESWTR - Long Term 1 Enhanced Surface Water Treatment Rule

LT2ESWTR - Long Term 2 Enhanced Surface Water Treatment Rule

LUAP - Land Use Allocation Program

LUCIFER - Listing of Organic Compounds Identified in Region 4

LUFT - Leaking Underground Fuel Tank

LUIS - Label Use Information System

LULC - Land Use/Land Cover

LULU - Locally Undesirable Land Use

LUST - Leaking Underground Storage Tank

LVE - Low Volume Exemption

LVM - Low Volatility Metals

LVS - Laboratory Ventilation Data System

LVSSS - Large Volume Suspended Sediment Sampling

LWA - Light Weight Aggregate

LWAK - Light Weight Aggregate Kiln

LWCF - Land and Water Conservation Fund

LWDII - Lost Workday Injury and Illness

LWOP - Lease with Option to Purchase

LWOP - Leave without Pay

LWRP - Large Scale Watershed Restoration Program

LZ - Landing Zone
M

m - meter

m2 - Square Meter

m3 - Cubic Meter

m3/sec - Cubic Meter per SEcond

MA - Molecular Absorption

MAAC - Maximum Ambient Air Concentration

MAB - Man and Biosphere Program

MABS - Methyl Methacrylate Acrylonitrile Butadiene Styrene

MAC - Management Advisory Committee

MAC - Mobile Air Conditioner

MAC - Mycobacterium Avium Intercellulare

MAC Entity - Multiagency Coordinating Entity

MACC - Multiagency Command Center

MACOM - Major Army Command

MACRO - Macro Encapsulation

MACT - Maximum Available (or Achievable) Control Technology

MADCAP - Model of Advection, Diffusion and Chemistry for Air Pollution

MAER - Maximum Allowable Emission Rate

MAERT - Maximum Allowable Emission Rates Table

MAF - Maximum Acceptable Force

MAF - Maximum Acceptable Frequency

maf - Million Acre-Feet

MAG - Management Advisory Group

MAJCOM - Major Commands

MAL - Minimum Analytical Level

MAN - Metropolitan Area Network

MAP - Management Assistance Program

MAP - Medical Assistance Plan

MAP - Mediterranean Action Plan

MAP - Mobility Alternatives Program

MAP - Model Accreditation Plan

MAP - Motorist Assistance Patrol

MAPC - Manpower Model for Control Agencies

MAPPER - Maintaining, Preparing and Producing Executive Reports

MAPPPS - Multi-state Atmospheric Power Production Pollution Study

MAPS - Region 2 Environmental Map Catalogue System

MAPSIM - Mesoscale Air Pollution Simulation Model

MAP3D - Multistate Atmospheric Power Production Pollution Study

MAR - Management System Review

MARAD - Maritime Administration

MARC - Metabolism Assessment Review Committee

MARC - Mining and Reclamation Council

MARKS - Modern Army Records Keeping System

MARPLOT - Mapping Application for Response, Planning and Local Operational Tasks

MARPOL - International Convention for the Prevention of Pollution from Ships

MARSSIM - Multi-Agency Radiation Survey and Site Investigation Manual

MARSSIMRS - Multi-Agency Radiation Survey and Site Investigation Manual Review Subcommittee

MAS - Mold Awareness Specialist

MASBAL - RCRA Mass Balance System

MAT - Maximum Acceptable Torque

MATC - Maximum Allowable Toxicant Concentration

MATCOMPAT - Materials Compatibility Database

MAW - Maximum Acceptable Weight

MAWP - Maximum Allowable Working Pressure

MAX - Maximum

MAXDOSE - Maximum Individual Dose Model

MB - Mass Balance

MBAS - Methylene-Blue-Active Substances

MBDA - Minority Business Development Agency

MBE - Minority Business Enterprise

MBER - Minority Business Enterprise Representative

MBE/WBE - Certification Questionnaire - Minority/Woman Business Enterprise

MBEP - Region 4 Minority Business Tracking

MBER - Minority Business Enterprise Representative

MBF - Matrix Biological Film

MBF - Thousand Board Feet

MBNA - Metal Building Manufacturers Association

MBO - Management By Objectives

MBR - Membrane Bio Reactor

MBS - Methyl Methacrylate Butadiene Styrene

MBWA - Management by Walking Around

MC - Multiple Cyclone

MCA - Manufacturing Chemists Association

MCA - Multi-channel Analyzer

MCACES - Micro-Computer Aided Cost Engineering System

MCAWW - Methods for Chemical Analysis of Water and Wastes

MCCEM - Multi Chamber Concentration and Exposure Model

MCC-IP - Materials Characterization Center Static Leach Test

MCD - Municipal Construction Division

MCDF - Master Code Descriptor File

MCE - Maximum Credible Event

MCEF - Mixed Cellulose Ester Filter

MCF - Methyl Chloroform

MCIA - Methyl Chloride Industry Alliance

MCL - Maximum Contaminant Level

MCLG - Maximum Contaminant Level Goal

MCMIS - Motor Carrier Management Information System

MCP - Marginal Production Cost

MCP - Municipal Compliance Plan

MCRC - Message Center/Switchboard Operator/Receptionist

MCS - Media Cleanup Standards

MCS - Multiple Chemical Sensitivity

mcy - Million Cubic Yards

MD - Mail Drop

MD - Management Division

MD - Maryland

MDA - Methylenedianiline

MDA - Minimal Detectable Activity

MDAAQS - Miscellaneous Data Analysis and Air Quality Simulation Studies

MDAD - Monitoring and Data Analysis Division

M-DBP - Microbial and Disinfectants/Disinfection Byproducts

MDC - Minimal Detectable Change

MDD - Management Division Director

MDDOT - Maryland Department of Transportation

MDE - Maryland Department of the Environment

MDEQ - Massachusetts Department of Environmental Quality

MDEQ - Michigan Department of Environmental Quality

MDERC - Mobile Discrete Emissions Reduction Credits

MDL - Method Detection Limit (Level)

MDNR - Missouri Department of Natural Resources

MDRD - Minimum Detectable Relative Difference

MDS - Modifications

MDS - Mud Dump Site

MDS - Multimedia Design Studio

MDSD - Monitoring and Data Support Division

ME - Molecular Emission

MEA - Multilateral Environmental Agreement

MEC - Major Environmental Category

MEC - Maximum Expected Concentration

MEC - Michigan Environmental Council

MEC - Minimum Explosive Concentration

MEC - Model Energy Code

MEC - Munitions and Explosives of Concern

MECA - Manufacturers of Emission Controls Association

MED - Minimum Effective Dose

MEDLARS - Medical Literature Analysis and Retrieval System

MEE - Minimum Explosive Energy

MEFR - Maximum Expiratory Flow Rate

MEFS - Midterm Energy Forecasting System

MEFV - Maximum Expiratory Flow Volume

MEH - Mandatory Enforcement Hearing

MEHP - Monoethylhexyl phthalate

MEI - Maximum (Most) Exposed Individual

MEK - Methyl Ethyl Ketone

MEL - Maximum Exposure Likely

MEM - Modal Emission Model

MEMP - Miamisburg Environmental Management Project

MENS - Mission Element Needs Statement

MEP - Manufacturing Extension Partnership

MEP - Maximum Extent Practicable

MEP - Multiple Extraction Procedure

MEPA - Saudi Arabia Meteorology and Environmental Protection Agency

MER - Monthly Effluent report

MERC - Mobile Emissions Reduction Credit

MERCOSUR - Southern Common Market of Latin America

MERL - Municipal Environmental Research Laboratory

MERS - Mobile Emergency Response Support

MES - Modal Emission Model

MESC - Midcontinental Ecological Science Center

MESH - Management, Environment, Safety and Health Review

MESOPAC - Mesoscale Meteorological Preprocessor Program

MESOPLUME - Mesoscale "Bent Plume" Model

MESOPUFF - Mesoscale Puff Model

MESS - Model Evaluation Support System

MET - Modified Elutriate Test

METAP - Mediterranean European Technical Assistance Program

METH - Methylene Chloride

METL - Metals Data Base

METL - Region 4 Metals System

METS - Metabolic Equivalents

MEXAMS - Metals Exposure Analysis Modeling System

MF - Modifying Factor

mf - Molecular Formula

MFASAQUE - Major Federal Action Significantly Affecting the Quality of the Human Environment

MFBI - Major Fuel Burning Installation

MFC - Mass Flow Controller

MFC - Metal Finishing Category

MFD - Municipal Facilities Division

MFFRST - Metal Finishing Facility Risk Screening Tool

MFL - Maximum Foreseeable Loss

MFM - Mass Flowmeter

MFR - Memorandum for Record

Mg - Megagram

mg - Milligram(s)

mgd - Millions of Gallons per Day

mg/dscm - Milligrams per Dry Standard Cubic Meter

mg/kg - Milligrams per Kilogram

mg/kg/d - Milligram per Kilograms per Day

mg/l - Milligrams per Liter

Mgmt. - Management

mg/m3 - Milligrams per Cubic Meter

mg/Nm3 - Milligrams per Normal Cubic Meter

MGP - Manufactured Gas Plant

Mg/yr - Megagrams per year

MH - Man-Hours

MHAT - Medical Health Advisory Team

MHD - Magnetohydrodynamics

MHDDV - Medium Heavy Duty Diesel Vehicle

MHGL - Maximum Hourly Average Gross Load

MHHW - Mean Higher High Water

MHRA - Maximum Hourly Rolling Average

MHWM - mean high water Mark

MHz - Megahertz

M&I - Municipal and Industrial

MIBK - Methyl Isobutyl Ketone

MIC - Master Item Code

MIC - Methyl Isocyanate

MICE - Management Information Capability for Enforcement

MICE - Methods Information Communication Exchange

MICOM - US Army Missle Command

MICROMORT - A One-in-a-Million Chance of Death From an Environmental Hazard

MICTS - Management Information Cost Tracking System

MIDSD - Management Information and Data Systems Division

MIE - Minimum Ignition Energy

M&IE - Meals and Incidental Expenses

MIGA - Multilateral Investment Guarantee Agency

mil - 1/1,000 of an Inch

MILCON - Military Construction

MIN - Minimum

min - Minute

MINMOD - Marine Investigations Module

MINTEQ - Geochemical Model

MINTEQA2 - Metal Speciation Equilibrium Model for Surface and Ground Water

MIPR - Military Interagency Procurement Request

MIPR - Military Interdepartmental Purchase Request

MIPS - Millions of Instructions Per Second

MIP/SC - Membrane Interface Probe/Soil Conductivity

MIR - Maximum Individual Risk

MIRC - Market Incentives Resource Center

MIS - Major Investment Study

MIS - Management Indicator Species

MIS - Management Information System

MIS - Master of Industrial Safety

MIS - Mineral Industry Surveys

MISC - Miscible

MISLE - Marine Information for Safety and Law Enforcement

MISTT - Midwest Interstate Sulfur Transformation and Transport

MISWD - Municipal and Industrial Solid Waste Division

MITS - Management Information Tracking System

MJ - Megajoule

ML - Meteorology Laboratory

ML - Military Leave

ml - Milliliter

MLAP - Migrant Legal Action Program

MLE - Maximum Likelihood Estimates

MLE - Most Likely Exposure

MLLW - Mean Lower Low Water

MLML - Moss Landing Marine Laboratories

MLSS - Mixed Liquor Suspended Solids

MLVSS - Mixed Liquor Volatile Suspended Solids

MLW - Mean Low water

M Medium - Amount of carrier medium material applied to the skin

MM - Modified Mercalli

mM - Millimole

mm - Micrometers

mm - Millimeter

MMAD - Mass Median Aerodynamic Diameter

MMBF - Million Board Feet

MMBtu - Million British Thermal Units

MMD - Mass Median Diameter

mm Hg - Millimeters Mercury

MMPA - Marine Mammal Protection Act

MMS - Minerals Management Service

MMT - Million Metric Tons

MMT - Molten Metals Technology

MMWR - Morbidity and Mortality Weekly Report

MNAT - Medical Needs Assessment Team

MNSR - Minor New Source Review

M&O - Management & Operations

MOA - Memorandum of Agreement

MOA - Military Operating Area

MOB - Mobile Operations Branch

MOB - Mobilization

MOBILE - Mobile Source Emission Model

MOBILE5A - Mobile Source Emission Factor Model

MOC - Management of Change

MOCERT - Motorcycle Certification Data

MOCS - MacPhail Operant Chambers

MOD - Management and Organization Division

MOD - Manufacturers Operations Division

MOD - Marine Operations Division

MOD - Miscellaneous Obligation Document

MOD - Modification

MODCEI - Modified Compliance Evaluation Inspection

MODHIWAY - Modified Highway Program

MOE - Margin of Exposure

MoE - Ministry of Environment

MOEE - Ontarios Ministry of Environment and Energy

MOFAT - Multi Phase Flow and Transport

MOGAS - Motor Vehicle Gas

MOGUNTIA - Model of Global Universal Tracer Transport in the Atmosphere

MOI - Memorandum of Intent

MOI - Memorandum of Information

MOL - Minister of Labour

MON - Miscellaneous Organic NESHAP

MON - Motor Octane Number

MONARC - Master Office Network Adaptive Real-time Control

MOOC - Management of Organizational Change

MOP - Manual of Practice

MOR - Monthly Operating Report

MORT - Research Triangle Park Mortality Data Base

MOS - Management Operations Staff

MOS - Management Operations Staff

MOS - Margin of Safety

MOS - Metal Oxide Semiconductor

MOSES - Mothers Organized to Stop Environmental Sins

MOSTE - Malaysia Ministry of Science, Technology and Environment

MOTRON - MacPhail Motron System

MOU - Memorandum of Understanding

MP - Management Programs

MP - Manufacturing-use Product

MP - Melting Point

MP - Metacarpophalangeal

MP - Military Programs

MPAD - Manager Pollution Abatement Department

MPC - Maximum Potential concentration

MPCA - Microbial Pest Control Agent

MPCA - Minnesota Pollution Control Agency

MPES - Management Planning and Evaluation Staff

MPF - Manufacturing process Facility

MPF - Maximum Probable Flood

MPF - Mean Power Frequency

MPG - Miles per Gallon

MPG - MPEG Movie

mph - Miles per Hour

MPI - Maximum Permitted Intake

MPN - Maximum Possible Number

MPN - Maximum Probable Number

MPN - Most Probable Number

MPN/100 ml - Coliform Count Expressed as Most Probable Number per 100 Milliliters

MPO - Metropolitan Planning Organization

MPP - Merit Promotion Number

mppcf - Million Particles per Cubic Foot

MPR - Monthly Progress and Financial Report

MPRM - Meteorological Processor for regulatory models

MPRSA - Marine Protection, Research and Sanctuaries Act (1972)

MPS2 - Region 2 Merit pay System

MPTDS - MPTER Model with Deposition and Settling of Pollutants

MPTER - Multiple Point Source Model with Terrain

MPTER - Air quality model for multiple point source Gaussian dispersion algorithm with terrain adjustments

MPWC - Multiprocess Wet Cleaning

MQL - Minimum Quantification Level

MQO - Measurement Quality Objective

MR - Magnetic Resonanace

M/R - Monitoring and Reporting

MRA - Minimum Retirement Age

MRA - Munitions Response Area

MRAM - MacPhail Radial Arm Maze

MRAP - Medical Resources Advisory Panel

MRC - Mekong River Commission

MRC - Mississippi River Commission

mrem - Millirem

MREM - Milliroentgen Equivalent in Man

MRF - Materials Recovery Facility

mR/h - Milliroentgen per Hour

mrem/hr - Millirem per Hour

MRI - Magnetic Resonance Imaging

MRI - Midwest Research Institute

MRID - Master Record Identification Number

MRL - Maximum Residue Limit (Pesticide Tolerance)

MRL - Method Reporting Limit

MRL - Minimum Reporting Limit

MRL - Minimum Risk Level

MRLC - Multi-Resolution Land Characteristics

MRP - Multi-Roller Press

MRR - Monitoring, Reporting and Recordkeeping

MRS - Munitions Response Site

MR&T - Mississippi River and Tributaries

MRTD - Machine Readable Travel Document

MS - Mail Stop

MS - Management Situation

MS - Management Staff

MS - Mass Spectrometry

MS - Matrix Spike

MS - Multilateral Staff

MS4 - Municipal Separate Stormwater Systems

MSA - Main Storage Area

MSA - Management System Audits

MSA - Metropolitan Statistical Areas

MSAM - Multi-keyed Indexed Sequential File Access Method

MSC - Major Subordinate Command

MSC - Marginal Social Cost

MSC - Medium Specific Concentration

MSCA - Multi State Cooperative Agreement

MSD - Management Systems Division

MSD - Matrix Spike Duplication

MSD - Musculoskeletal Disorder

MSDE - Minimum Set of Data Elements

MSDS - Material Safety Data Sheet

MSEE - Major Source Enforcement Effort

MSGP - Multi-sector General Permit

MSHA - Mine Safety and Health Administration

MSIS - Model State Information System

MSL - Mean Sea Level

MSOC - Maximum Safe Oxygen Concentration

MSOD - Mobile Source Observation Database

MSPB - Merit System Protection Board

MSR - MOC Safety Review

MSRM - Mixture and Systemic Toxicant Risk Model

MSS - Maintenance, Start-up, and Shutdown Emissions

MSS - Management Support Staff

MSS - Management Systems Staff

MSS - Manufacturers Standardization Safety of the Valve and Fittings Industry

MST - Management Support Team

MSTPP - Multiple Source Training Providers Program

MSU - Moscow State University

MSW - Municipal Solid Waste

MSWFA - Municipal Solid Waste Financial Assurance

MSWL - Municipal Solid Waste Landfill

MSWL - Municipal Solid Waste Landfill Leachate

MSWLF - Municipal Solid Waste Landfill Facility

MSWRAC - Municipal Soild Waste Reduction Advisory Committee

MS/Z - Multispan/Zero Box

MT - Metric Ton

MTA - Mass Transit Authority

MTAS - Municipal Technical Advisory Service

MTB - Materials Transportation Bureau

MTB - Messaging/Transport Binding

MTB - Municipal Technology Branch

MTBE - Methyl Tertiary Butyl Ether

MTC - Metropolitan Transportation Commission

MTD - Maximum Tolerated Dose

MTDDIS - Mesoscale Transport Diffusion and Deposition Model for Industrial Sources

MTEC - Maximum Theoretical Emissions Concentration

MTG - Media Task Group

MTL - Median Threshold Limit

MTP - Maximum Total Trihalomethane Potential

MTP - Metropolitan Transportation Plan

MTP - Monoethyl-2,3,5,6-Tetrachloroterephthlate

MTR - Marine Transportation Related

MTR - Minimum Technology Requirement

MTR - Minimum Testing Range

MTS - Management Tracking System

MTSL - Monitoring and Technical Support Laboratory

MTU - Mobile Treatment Unit

MTURI - Massachusetts Toxics Use Reduction Institute

MUD - Municipal Utility District

MUIR - Map Unit Interpretation Record

MULTIMED - Multimedia Exposure Assessment Model

MUP - Manufacturing-use Product

MUSIC - Model for Urban Stormwater Improvement Conceptualization

MUSWTCH - Mussel Watch

MUTA - Mutagenicity

MUTCD - Manual of Uniform Traffic Control Devices

MVA - Multivariate Analysis

Mva - Minute Ventilatory Volume

MVAC - Motor Vehicle Air Conditioner

MVAPCA - Motor Vehicle Air Pollution Control Act

MVC - Maximum Voluntary Contraction

MVEB - Motor Vehicle Emissions Budget

MVEL - Motor Vehicle Emissions Laboratory

MVha - Minute Ventilatory Volume Animal

MVho - Minute Ventilatory Volume Occupational

MVICSA - Motor Vehicle Information and Cost Savings Act

MVI/M - Motor Vehicle Inspection/Maintenance

MVIS - Maximum Voluntary Isometric Strength

MVMA - Motor Vehicle Manufacturers Association

MVPS - Maximum Voluntary Pinch Strength

MVRS - Marine Vapor Recovery System

MVS - Multiple Virtual System

MVTS - Motor Vehicle Tampering Survey

MVUE - Minimum Variance Unbiased Estimator

MVV - Maximal Voluntary Ventilation

MVVD - Manual Vent Valve Discharge

MW - Megawatt

MW - Mixed Waste

MW - Molecular Weight

MW - Monitoring Well

MWAP - Mixed Waste Analysis Plan

MWC - Machine Wet Cleaning

MWC - Material and Waste Characterization [form]

MWC - Municipal Waste Combustor

MWD - Measurement While Drilling System

MWe - Megawatts of Electricity

MWG - Model Work Group

MWI - Medical Waste Incinerator

MWL - Mixed Waste Landfill

MWL - Municipal Waste Leachate

MWLID - Mixed Waste Landfill Integrated Demonstration

MWSF - Mixed Waste Storage Facility

MWSSA - Mixed Waste Satellite Accumulation Area

MWTA - Medical Waste Tracking Act

MYDP - Multiyear Development Plans

N

N - Newtons

N - Nitrogen

N - No

N - Number of Samples

N/A - Not Applicable

N/A - Not Available

NA - National Archives

NA - Not Applicable

NA - Nonattainment

Na - Sodium

NAA - Nonattainment Area(s)

NAA - North Atlantic Area

NAAEC - North American Agreement on Environmental Cooperation

NAAG - National Association of Attorneys General

NAAMP - North American Amphibian Monitoring Program

NAAQS - National Ambient Air Quality Standards

NAAS - National Air Audit System

NABN - National Atmospheric Background Network

NaBr - Sodium Bromide

NAC - National Agency Check

NAC - National Asbestos Council

NACA - National Agricultural Chemicals Association

NAC/AEFL - National Advisory Committee for Acute Guideline Levels for Hazardous Substances

NACD - National Association of Chemical Distributors

NACD - National Association of Conservation Districts

NACE - National Association of Corrosion Engineers

NACEPT - National Advisory Committee on Environmental Policy and Technology

NACEPT/RCC - National Advisory Committee on Environmental Policy and Technology, Reinvention Criteria Committee

NACHO - National Association of Chemical Hygiene Officers

NACI - National Agency Check and Inquiry

NACIP - Naval Assessment and Control of Installation Pollutants

NACO - National association of Counties

NACOSH - National Advisory Committee on Occupational Safety and Health

NAD - North American Datum

NAD - North Atlantic Division

NADB - National Air Data Branch

NADB - National Archeological Data Base

NADB - National Atmospheric Data Bank

NADP - National Atmospheric Deposition Program

NADPSC - National ADP service Center

NAE - National Academy of Engineering

NAEP - National Association of Environmental Professionals

NAF - Non Appropriated Funding

NAFCOG - North American Fuel Cell Owner Group

NAFTA - North American Free Trade Association

NAHERC - National Animal Health Emergency Response Corps

NAICS - North American Industrial Classification System

NAIMA - North American Insulation Manufacturers Association

NAIS - Neutral Administrative Inspection System

NALC - North American Landscape Characterization Project

NALD - Nonattainment Areas Lacking Demonstrations

NAM - National Association of Manufacturers

NAMA - National Air Monitoring Audits

NAMF - National Association of Metal Finishers

NAMS - National Air Monitoring Station

NAMS - National Air Monitoring System

NAMS/MIS - National Air Monitoring Stations Management Information System

NANCO - National Association of Noise Control Officials

NaoCl - Sodium Hypochlorite

NAP - Naphthalene

NAPA - National Academy of Public Administration

NAPAP - National Acid Precipitation Advisory Panel

NAPAP - National Acid Precipitation Assessment Program

NAPAP - National Acid Precipitation Program Emission Inventories

NAPBN - National Air Pollution Background Network

NAPBTAC - National Air Pollution Control Technical Advisory Committee

NAPCTAC - National Air Pollution Control Techniques Advisory Committee

NAPH - National Association of Public Hospitals

NAPIAP - National Agricultural Pesticide Impact Assessment Program

NAPIS - National Agricultural Pest Information System

NAPL - Non-aqueous Phase Liquid

NAPS - National Air Pollution Surveillance

NAQTS - National Air Quality Trend Station

NAR - National Asbestos Registry

NAR - Nonattainment Review

NARA - National Air Resources Act

NARA - National Archives and Records Administration

NARA - National Agrichemical Retailers Association

NARC - National Association of Regional Councils

NARCAM - North American Reporting Center for Amphibian Malformations

NARI - National Association for Recycling Industries

NARL - National Air and Radiation Laboratory

NARMP - National Acid Rain Monitoring Program

NARS - National Asbestos-Contractor Registry System

NARSTO - North American Research Strategy for Tropospheric Ozone

NARUC - National Association of Regulatory Utility Commissioners

NAS - National Academy of Sciences

NAS - National Audubon Society

NAS - Naval Station

NAS - Network Analysis System

NASA - National Aeronautics and Space Administration

NASASTD - NASA Standards

NASDA - National Association of State Departments of Agriculture

NASDAC - National Aviation Safety Data Analysis Center

NASEO - Nation Association of State Energy Officials

NASLR - National Association of State Land Reclamationists

NASN - National Air Sampling Network

NASN - National Air Surveillance Network

NASR - National Association of Solvent Recyclers

NASS - National Agricultural Statistics Service

NASS/CDS - National Accident Sampling System/Crashworthiness Data System

NASS/GES - National Accident Sampling System/General Estimates System

NASTTPPO - National Association of Sara Title III Program Officials

NATA - National Scale Air Toxics Assessment

NATaT - National Association of Towns and Townships

NATE - National Assessment and Tool Estimator

NATICH - National Air Toxics Information Clearinghouse

NATO - North Atlantic Treaty Organization

NATS - National Air Toxics Strategy

NaTT - Sodium Tolytriazole

NAV - Navigation

NAVFAC - Naval Facilities Engineering Command

NAWA - National Warning System

NAWC - National Association of Water Companies

NAWDEX - National Water Data Exchange

NAWMP - North American Waterfowl Management Plan

NAWQA - National Water Quality Assessment

NAWQC - National Ambient Water Quality Criteria

NBAR - Nonbinding Preliminary Allocation of Responsibility

NBBPVI - National Board of Boiler and Pressure Vessel Inspectors

NBIC - National Board Inspection Code

NBII - National Biological Information Infrastructure

NBR - Nitrile Butadiene Rubber

NBS - National Biological Service

NBS - National Bureau of Standards

NC - Navigation (Planning) Center

NC - No Cost

NC - Non Carcinogen

NCA - National Coal Association

NCA - Noise Control Act

NCAC - National Clean Air Coalition

NCAF - National Clean Air Fund

NCAMP - National Coalition Against the Misuse of Pesticides

NCAMS - Non Continuous Air Monitoring Station

NCAPS - National Corrective Action Prioritization System

NCAQ - National Commission on Air Quality

NCAR - National Center for Atmospheric Research

NCAR - Nonconformce and Corrective Action Report

NCASI - National Council of the Paper Industry for Air and Stream Improvements

NCBC - Naval Coalition Battalion Center

NCC - National Climatic Center

NCC - National Computer Center

NCCMAG - National Computer Center Management Advisory Group

NCCR - National Computer Center

NCCT - National Center for Combating Terrorism

NCD - North Central Division

NCDB - National Compliance Data Base

NCDC - National Climatic Data Center

NCDE - Northern Continental Divide Ecosystem

NCDEHNR - North Carolina Dept. of Environmental, Health, and Natural Resources

NCE - National Council for the Environment

NCEA - National Center for Exposure Assessment

NCEA - National Center for Environmental Assessment

NCEH - National Center for Environmental Health

NCEL - New Chemical Exposure Limit

NCEPI - National Center for Environmental Publications and Information

NCF - Network Control Facility

NCFAP - National Center for Food and Agricultural Policy

NCG - Non-condensable Gas

NCGIA - National Center for Geographic Information and Analysis

NCHS - National Center for Health Statistics

NCI - National Cancer Institute

NCIC - National Crime Information Center

NCIC - TSCA Non Confidential Information Center

NCID - National center for Infectious Diseases

nCi/g - Nanocuries per gram

NCIPC - National Center for Injury Prevention and Control

NCL - National Consumers League

NCLAN - National Crop Loan Assessment Network

NCLEHA - National Conference of Local Environmental Health Administrators

NCLP - National Contract Laboratory Program

NCLS - NEIC Library System

NCM - National Coal Model

NCM - Notice of Commencement of Manufacture (see NOC)

NCMS - National Center for Manufacturing Sciences Database

NCO - Negotiated Consent Order

NCP - Canadian Northern Contaminants Program

NCP - National Contingency Plan

NCP - National Oil and Hazardous Substances Pollution Contingency Plan

NCP - Noncompliance Penalty [ies]

NCP - Non Criteria Pollutant

NCPDI - National Coastal Pollutant Discharge Inventory

NCPIASI - National Council of the Paper Industry for Air and Stream Improvements

NCR - National Capital Region

NCR - Noncompliance Report

NCR - Nonconformance Report

NCR - Noncontact Recreation

NCRIC - National Chemical Response and Information Center

NCRP - National Council on Radiation Protection and Measurements

NCS - National Communications System

NCS - National Compliance Strategy

NCS - National Conservation Strategy

NCSL - National Conference on State Legislators

NCTC - National Conservation Training Center

NCTC - National Counterterrorism Center

NCTCOG - North Central Texas Council of Governments

NCTR - National Center for Toxicological Research

NCV - Nerve Conduction Velocity

NCVECS - National Center for Vehicle Emissions Control and Safety

NCWM - National Conference on Weights and Measures

NCWQ - National Commission on Water Quality

NCWS - Non-Community Water System

ND - Non-Detect(ed)

ND - Non-Detectable

NDA - New Drug Application

NDA - Nondestructive Assay

NDD - Negotiated Decision Document

NDDB - Natural Diversity Database

NDDN - National Dry Deposition Network

NDE - Nondestructive Examination

NDEP - Nevada Division of Environmental Protection

NDIR - Non Dispersive Infrared Analysis

NDMS - National Disaster Medical System

NDPD - National Data Processing Division

NDS - National Dioxin Study

NDS - National Disposal Site

NDVI - Normalized Difference Vegetation Index

NDWAC - National Drinking Water Advisory Council

NDZ - No Discharge Zone

NEA - National Energy Act

NEA - Northwest Environmental Advocates

NEAC - National Environmental Justice Advisory Council

NEAP - National Environment Action Plans

NEBOSH - National Examining Board of the Institution of Occupational Safety and Health

NEC - National Electric Code

NEC - National Electronic Code

NECRMP - Northeast Corridor Regional Modeling Project

NED - National Economic Development

NED - National Elevation Dataset

NED - New England District

NEDA - National Environmental Development Association

NEDI - National Environmental Data Index

NEDS - National Emissions Data System

NEEAP - National Environmental Education Advancement Project

NEEC - National Environmental Enforcement Council

NEEDS - Needs Survey

NEEJ - National Environmental Enforcement Journal

NEHA - National Environmental Health Association

NEI - National Emissions Inventory

NEI - Nuclear Energy Institute

NEIC - National Enforcement Investigation Center

NEIETC - New England Interstate Environmental Training Center

NEII - National Elevator Industry

NEIPCC - New England Interstate Pollution Prevention Commission

NEJAC - National Environmental Justice Advisory Council

NELAC - National Environmental Laboratory Accreditation Conference

NEMA - National Electronic Manufacturers Association

NEMA - Uganda National Environment Management Authority

NEMI - National Environmental Methods Index

NEMS - NASA Equipment Numbering System

NEO - Neoprene

NEP - National Energy Plan

NEP - National Environmental Policy

NEP - National Estuary Program

NEP - National Exercise Program

NEPA - China National Environmental Protection Agency

NEPA - National Environmental Policy Act (1969)

NEPI - National Environmental Policy Institute

NEPPS - National Environmental Performance Partnership System

NEPT - National Environmental performance Track

NER - National Emissions Report

NERA - National Economic Research Associates

NERC - North American Reliability Council

NERL - National Exposure Research Laboratory

NERO - National Energy Resources Organization

NEROS - Northeast Regional Oxidant Study

NERR - National Estuarine Research Reserve

NES - Non Opacity Emission Standards

NESA - National Admissions Standards Act

NESC - National Electrical Safety Code

NESC - National Environmental Supercomputing Center

NESCAUM - Northeast States for Coordinated Air Use Management

NESDA - Network for Environment and Sustainable Development in Africa

NESDIS - National Environmental Satellite, Data, and Information Service

NESHAP(s) - National Emission Standards for Hazardous Air
Pollutants

NESPHYTO - National Phytoplankton Data Base

NEST - Nuclear Emergency Support Team

NETA - National Environmental Training Association

NETC - National Emergency Training Center

NETCSC - National Emergency Training Center for Small Communities

NETI - National Enforcement Training Institute

NETL - National Energy Technology Labs

NETTING - Emission Trading Used to Avoid PSD/NSR Permit Review Requirements

NEW - Net Explosive Weight

NF - National Forest

NFA - National Fire Academy

NFA - No Further Action

NFAN - National Filter Analysis Network

NFAP - National Forestry Action Plan

NFC - National Fire Code

NFFE - National Federation of Federal Employees

NFIB - National Federation of Independent Business

NFIP - National Flood Insurance Program

NFMA - National Forest Management Act

NFPA - National Fire Protection Association

NFPA - National Forest Products Association

NFR - National Fire Rating

NFRAP - No Further Remedial Action Planned

NFS - National Forest Service

NFWF - National Fish and Wildlife Foundation

ng - Nanograms

NGA - National Geospatial Intelligence Agency

NGA - National Governors Association

NGA - Natural Gas Association

ng/dscm - Nanograms per Dry Standard Cubic Meter

NGFC - Natural Gas Fuel Cell

ng/J - Nanograms per Joule

ng/l - Nanograms per Liter

NGO - Nongovernmental Organization

NGPA - National Gas Policy Act

NGS - National Geodetic Survey

NGSA - Natural Gas Supply Association

NGVD - National Geodetic Vertical Datum

NGWA - National Groundwater Association

NGWIC - National Groundwater Information Center

NH3 - Ammonia

NH4 - Ammonium Nitrogen

NHANES - National Health and Nutrition Examination Study

NHB - NASA Handbook

NHD - National Hydrography Dataset

NHDES - New Hampshire Department of Environmental Services

NHEERL - National Health and Environmental Effects Research Laboratory

NHHB - Not Human Health Based

NHIS - National Health Interview Survey

NHMP - National Human Milk Monitoring Program

NHPA - National Historic Preservation Act

NHS - National Highway System

NHSDA - National Highway Systems Designation Act

NHSW - Nonhazardous Solid Waste

NHTS - National Household Travel Survey

NHTSA - National Highway Traffic Safety Act

NHTSA - National Highway Traffic Safety Administration

NHWP - Northeast Hazardous Waste Project

Ni - Nickel

NIBS - National Institute of Building Sciences

NIC - Non Interchangeable

NIC - Notification of Intent to Comply

NiCad - Nickel Cadmium (Battery)

NICC - National Infrastructure Coordinating Center

NICC - National Interagency Coordinating Center

NICCL - National Incident Communications Conference Line

NICET - National Institute for Certification in Engineering Technologies

NICS - National Institute for Chemical Studies

NICT - National Incident Coordination Team

NIE - Newly Industrialized Economies

NIEHS - National Institute of Environmental Health Sciences

NIEI - National Indoor Environmental Institute

NIES - Japan National Institute for Environmental Studies

NIH - National Institutes of Health

NIHL - Noise Induced Hearing Loss

NIIMS - National Interagency Incident Management System

NIM - National Impact Model

NIMBY - Not in My Backyard

NIMS - National Incident Management System

NIOSH - National Institute of Occupational Safety and Health

NIP - National Implementation Plan

NIPDWR - National Interim Primary Drinking Water Regulations

NIPDWS - National Interim Primary Drinking Water Standards

NIPER - National Institute for Petroleum and Energy Research

NIPP - National Infrastructure Protection Plan

NIR - Near Infrared

NIRS - National Inorganics and Radionuclides Survey

NIRT - Nuclear Incident Response Team

NIS - Newly Independent States

NIS - Noise Information System

NIS - Sodium Iodide Symporter

NISAC - National Industrial Security Advisory Committee

NISPOM - National Industry Security Program Operating Manual

NIST - National Institute of Standards and Technology

NITEP - National Incinerator Testing and Evaluation Program

NIX - NASA Image Exchange

NJ - New Jersey

NJAC - New Jersey Administrative Code

NJANG - New Jersey Army National Guard

NJDEP - New Jersey Department of Environmental Protection

NJDOT - New Jersey Department of Transportation

NJSA - New Jersey Statutes Annotated

NJOSP - New Jersey Office of State Planning

NJT - New Jersey Transit

NJTAP - New Jersey Technical Assistance Program

NJTRO - New Jersey Transit Rail Operations

NJTTF - National Joint Terrorism Task Force

NLA - National Lime Association

NLA - Notice of last Action

NLAP - National Laboratory Audit Program

NLC - National League of Cities

NLCD - National Land Cover Dataset

NLDBR - No Land Disposal Based on Recycling

NLETS - National Law Enforcement Teletype System

NLEV - National Low Emission Vehicle Program

NLFA - National Listing of Fish Advisories

NLIC - National Lead Information Clearinghouse

NLM - National Library of Medicine

NLT - Not Later Than

NM - Nanometer

Nm - Newton meters

NMA - National Mining Association

NMAC - Near Midair Collision

NMACS - Near Midair Collision System

NMC - National Meteorological Center

NMFC - National Motor Freight Class

NMFS - National Marine Fisheries Service

NMFWF - National Fish and Wildlife Foundation

NMHC - Non Methane Hydrocarbons

nmi - Nautical Mile

NMI - Northeast Midwest Institute

NML - National Municipal League

NMOC - Non Methane Organic Compound

NMOG - Non Methane Organic Gas

NMP - N-methyl Pyrrolidone

NMP - National Municipal Policy

NMPF - National Milk Producers Federation

NMR - Nuclear Magnetic Resonance

NMRT - National Medical Response Team

NMS - National Marine Sanctuary

Nm/s - Newton meters per second

NMVOC - Non Methane Volatile Organic Chemicals

NNC - Notice of Noncompliance

NNEMS - National Network of Environmental Management Studies

NNHP - Nevada Natural Heritage Program

NNI - No New Issue

NNPSPP - National Nonpoint Source Pollution Program

NNSA - National Nuclear Security Administration

NNSR - Non Attainment New Source Review

NO - Nitric Oxide

NO - Number

No. - Number

NO2 - Nitrogen Dioxide

NO3 - Nitrate Nitrogen

NOA - New Obligation Authority

NOA - Notice of Arrival

NOA - Notice of Availability

NOAA - National Oceanic and Atmospheric Administration (Agency)

NOAC - Nature of Action Code

NOAEL - No Observed Adverse Effect Level

NOC - National Operations Center

NOC - Notice of Commencement (of manufacture or import)

NOC - Notification of Compliance

NOD - Notice of Deficiency

NODA - Naval Ordinance Disposal Area

NODA - Notice of Data Availability

NOE - Notice of Enforcement

NOEC - No Observable Effect Concentration

NOEL - No Observable Effect Level

NOES - National Occupational Exposure Survey

NOHSCP - National Oil and Hazardous Substances Contingency Plan

NOI - Notice of Intent

NOI - Not Otherwise Indicated

NOI - Not Otherwise Indexed

NOIBN - Not Otherwise Indexed by Name

NOIC - Notice of Intent to Cancel

NOIS - Notice of Intent to Suspend

NOJC - National Oil Jobbers Council

NOMS - National Organics Monitoring Survey

NON - Notice of Noncompliance

NOO - No Odor Observed

NOPES - Non-Occupational Pesticide Exposure Study

NOR - Notice of Registration

NORA - National Occupational Research Agenda

NORA - National Oil Recyclers Association

NORM - Naturally Occurring Radioactive Material

NOS - National Ocean Service

NOS - National Ocean Survey

NOS - Not Otherwise Specified

NOSC - Naval On-Scene Coordinator

NOT - Notice of Termination

NOTIS - 103(c) Notification

NOV - Notice of Violation

NOV/C/D - Notice of Violation/Compliance/Demand

NOWPAP - North-West Pacific Action Plan

NOx - Nitrogen Oxides

NPA - North Plains Area

NPAA - Noise Pollution and Abatement Act (1970)

NPACD - National Plan of Action to Combat Desertification

NPC - Notebook PC

NPCA - National Parks and Conservation Association

NPCA - National Pest Control Association

NPD - NASA Policy Directive

NPD - Nitrogen Phosphorous Detector

NPDES - National Pollutant Discharge Elimination System

NPDWR - National Primary Drinking Water Regulation

NPDWS - National Primary Drinking Water Standards

NPG - NASA Procedural Guidelines

NPGS - National Plant Germplasm System

NPHAP - National Pesticide Hazard Assessment Program

NPI - National Particulate Inventory

NPIRS - National Pesticide Information Retrieval System

NPK - Nitrogen, Phosphorous, Potassium

NPL - National Priorities List

NPM - National Program Manager

NPN - National Particulate Network

NPOSR - Naval Petroleum Oil Shale Reserves

NP-PET - North Plains Potential Evapotranspiration Network

NPR - National Performance Review

NPR - Naval Petroleum Reserves

NPR - Notice of Proposed Rulemaking

NPRC - Naval Petroleum Reserves California

NPRM - Notice of Proposed Rulemaking

NPS - National Park Service

NPS - National Permit Strategy

NPS - National Pesticide Survey

NPS - Non-Point Source

NPSC - No Process Safety Concern

NPSH - Net Positive Suction Head

NPSM - Nonpoint Source Model

NPTEC - Nonproliferation Test and Evaluation Complex

NPT - National Pipe Thread

NPTF - National Pipe Thread Fine

NPTN - National Pesticide Telecommunications Network

NPTS - Nationwide Personal Transportation Survey

NPUG - National Prime User Group

NPV - Net Present Value

NQ - Not Quantifiable

NR - Naval Reactors

NRA - National Recreation Area

NRAP - National River Action Plan

NRC - National Referral Center

NRC - National Registry of Chemicals

NRC - National Research Council

NRC - National Response Center

NRC - Nonreusable Container

NRC - Nuclear Regulatory Commission

NRCA - National Resource Council of America

NRCC - National Registry of Clinical Chemists

NRCC - National Response Coordinating Center

NRCC - Naval Regional Contracting Center

NRCS - Natural Resources Conservation Service

NRD - Natural Resource Damage

NRD - Natural Resources Division

NRDA - Natural Resources Damage Assessment

NRDAR - Natural Resources Damage Assessment and Restoration

NRDC - National Resources Defense Council

NRDL - National Radiation Defense Laboratory

NRDS - Nuclear Rocket Development Station

NRECA - National Rural Electric Cooperative Association

NREL - National Renewable Energy Laboratory

NREP - National Registry of Environmental Professionals

NRF - Naval Reactor Facility

NRF - Nuclear Reactors Facility

NRHP - National Register of Historic Places

NRI - National Resources Inventory

NRI - Natural Resources Inventory

NRMRL - National Risk Management Research Laboratory

NRMS - National Resource Management System

NRP - National Response Plan

NRR - Noise Reduction Rating

NRS - National Response System

NRT - National Response Team

NRTL - Nationally Recognized Testing Laboratory

NRWA - National Rural Water Association

n.s. - Not Significant

NSA - National Security Agency

NSA - National Stone Association

NSC - National Safety Council

NSC - National Security Council

NSC - Naval Supply Center

NSCEP - National Service Center for Environmental Publications

NSDWR - National Secondary Drinking Water Regulations

NSEC - National System for Emergency Coordination

NSEP - National System for Emergency Preparedness

NSF - National Sanitation Foundation

NSF - National Science Foundation

NSF - National Strike Force

NSFC - National Small Flows Clearinghouse

NSFCC - National Strike Force Coordination Center

NSFI - National Sanitation Foundation International

NSI - National Security Information

NSI - National Sediment Inventory

NSN - National Stock Number

NSN - New Substance Notification

NSNA - No Stock Number Assigned

NSO - Nevada Site Office

NSO - Nonferrous Smelter Orders

NSP - National Screening Program for Organics in Drinking Water

NSP - National Search and Rescue Plan

NSPE - National Society for Professional Engineers

NSPS - New Source Performance Standards

NSR - New Source Review

NSRL - No Significant Risk Level

NSRPD - New Source Review Permits Division

NSR/PSD - New Source Review and Prevention of Significant Deterioration Permitting

NSSE - National Special Security Event

NS&T - National Status & Trends

NSTC - National Sciences and Technology Council

NSTEC - National Securities Technologies

NSTL - National Space Technology Laboratory

NSWMA - National Solid Waste Management Association

NSWS - National Surface Water Survey

NTA - Negotiated Testing Agreement

NTAD - National Transportation Atlas Database

NTC - National Training Center

NTCEM - National Tribal Conference on Environmental Management

NTD - National Transit Database

NTDB - National Trade Databank

NTE - Neurotic Esterase

NTE - Not to Exceed

NTGS - National Technical Guidance Studies

NTI - National Toxics Inventory

NTIS - National Technical Information Service

NTL - National Transportation Library

NTN - National Trends Network

NTNC - Nontransient Noncommunity

NTNCWS - Non-transient Non-community Water System

NTP - National Toxicology Program

NTP - Normal Temperature and Pressure

NTP - Notice to Proceed

NTR - National Toxics Rule

NTS - Nevada Test Site

NTSB - National Transportation Safety Board

NTSER - Nevada Test Site Environmental Report

NTSHF - Nevada Test Site Historical Foundation

NTTAA - National Technology Transfer and Advancement Act

NTTC - National Technology Transfer Center

NTTS - National TMDL Tracking System

NTU - Nephlometric Turbidity Unit

NUAD - Not Suitable for Unconfined Aquatic Disposal

NUCA - National Utility Contractors Association

NUREG - Criteria for Preparation and Evaluation of Radiological Regulations and Guides

NURF - NAPAP Utility Reference File

NURP - Nationwide Urban Runoff Program

NVFEL - National Fuel and Vehicle Emissions Laboratory

NVOAD - National Voluntary Organizations Active in a Disaster

NVPP - National Vehicle Population Poll

NVRT - National Veterinary Response Team

NVUM - National Visitor Use Monitoring

NWA - National Water Alliance

NWD - Northwestern Division

NWF - National Wildlife Federation

NWI - National Wetlands Inventory

NWIS - National Weather Information System

NWP - Nationwide Permit Program

NWPA - Nuclear Waste Policy Act (1982)

NWRC - National Weather Records Center

NWS - National Weather Service

NWWA - National Water Well Association

NYCDEP - New York City Department of Environmental Protection

NYCDOHMH - New York City Department of Health and Mental Hygiene

NYDEC - New York Department of Environmental Conservation

NYIEQ - New York Indoor Environmental Quality Center

NYSDEC - New York State Department of Environmental Conservation

NYSDOH - New York State Department of Health

O

O - Oyster Waters

O2 - Oxygen

O3 - Ozone

OA - Occupational Asthma

OA - Office Automation

OA - Office of Administration

OA - Office of Audits

OA - Office of the Administrator

OA - Operational Awareness

OA - Opportunity Assessment

OA - Oxanilic Acid

o/a - On or About

O&A - On or About

OADEMQA - Office of Acid Deposition, Environmental Monitoring, and Quality Assurance

OAE - Office of Analysis and Evaluation

OAG - Office of the Attorney General

OAH - Office of Administrative Hearings

OAL - Office of Administrative Law

OALJ - Office of Administrative Law Judges

OAM - Office of Acquisition Management

OAP - Office of Atmospheric Programs

OAP - Operating and Assurance Plan

OAQ - Office of Air Quality

OAQPS - Office of Air Quality Planning and Standards

OAQPSTTN - Office of Air Quality Planning and Standards Technology Transfer Network

OAR - Office of Air and Radiation

OAR - Office of Administrative Rules

OARM - Office of Administration Resources Management

OAS - office of Administrative Services

OAS - Organization of American States

OASA - Office of the Assistant Secretary of the Army

OASACW - Office of the Assistant Secretary of the Army (Civil Works)

OASDI - Old Age Survivors and Disability Insurance

OASIS - OERR Info System -

OATS - Online Allowance Transfer System

OAU - Organization of African Unity

OBD -`Onboard Diagnostic

OBE - Overcome by Events

OBERS - Office of Business Economics/Economic Research Service

OBES - Office of Basic Energy Sciences

OB/OD - Open Burning/Open Detonation

OBS - Organizational Breakdown Structure

OC - Object Class

OC - Office of the Comptroller

OC - Open Cup

OCA - Office of Contract Assurance

OCA - Off-Site Consequence Analysis

OCAP - Operating Criteria and Procedures

OCAPO - Office of Compliance Analysis and Program Operations

OCB - Operations Control Building

OCD - Occupational Cervicobrachial Disorder

OCD - Offshore and Coastal Dispersion Model

OCE - Office of the Chief of Engineers

OCE - Office of Compliance and Enforcement

OCE - Office of Criminal Enforcement

OCEM - Office of Cooperative Environmental Management

OCEPA - Office of Communication, Education, and Public Affairs

OCESL - Office of Criminal Enforcement and Special Litigation

OCHA - UN Office for the Coordination of Humanitarian Affairs

OCHP - Office of Childrens Health Protection

OCI - Office of Criminal Investigation

OCI - Organizational Conflicts of Interest

OCIL - Office of Community and Intergovernmental Liaison

OCIR - Office of Community and Intergovernmental Relations

OCIS - On-Line chemical Information System

OCIS - OSHA Computerized Information System

OCL - Office of Congressional Liaison

OCLA - Office of Congressional and Legislative Affairs

OCM - Office of Compliance Monitoring

OCMV - Open Container in Motor Vehicle

OCO - Operability Concern Only

OCONUS - Outside the Contiguous/Continental United States

OCP - Organochlorine Pesticides

OCPDF - Organic Chemical Producers Database

OCPSF - Organic Chemical, Plastics and Synthetic Fibers (Manufacturing Point Source Category)

OCR - Office of Civil Rights

OCR - Office of Community Relations

OCR - Optical Character Reader

OCR - Optical Character Recognition

OCS - Octachlorostyrene

OCS - Outer Continental Shelf

OCSLA - Outer Continental Shelf Lands Act

OCU - Ocular

OD - Office of Director

OD - Operational Derivative

OD - Operations Division

OD - Optical Disk

OD - Organizational Development

OD - Outside Diameter

ODA - Office of Deputy Administrator

ODA - Oversees Development Assistance

ODASA - Office of Deputy Assistant Secretary of the Army

ODATS - Office Director Assignment Tracking System

ODB - Outdoor Burning

ODC - Other Direct Costs

ODC - Ozone-Depleting Chemical

ODEQ - Oklahoma Department of Environmental Quality

ODEQ - Oregon Department of Environmental Quality

ODES - Ocean Data Evaluation System

ODI - Open Dump Inventory

ODM - Oxydemeton-Methyl

ODMDS - Ocean Dredged Material Disposal Site

ODN - Obligation Document Number

OPDP - Office of Domestic Preparedness

ODP - Open Dripproof

ODP - Ozone Depletion Potential

ODS - Ozone Depleting Substance

ODTS - Organic Dust Toxic Syndrome

ODW - Office of Drinking Water

OE - Office of Enforcement

OE - Operational Error

OE - Ordnance and Explosives

OE - Organizational Element

OEA - Office of External Affairs

OEBGD - Overseas Environmental Base Guidance Document

OECA - Office of Enforcement and Compliance Assurance

OECD - Organization for Economic Cooperation and Development

OECD SIDs - Screening Information Data Set (within OECD)

OECM - Office of Enforcement and Compliance Monitoring

OE-CX - Ordnance and Explosives Center of Expertise

OEET - Office of Environmental Engineering and Technology

OEHHA - Office of Environmental Health Hazard Assessment

OEL - Occupational Exposure Limit

OEM - Original Equipment Manufacturer

OEOB - Old Executive Office Building

OEP - Office of Enforcement Policy

OEP - Office of Environmental Policy

OEP - Office of External Programs

OEPA - Ohio Environmental Protection Agency

OEPAA - Office of Environmental Policy, Analysis & Assessment

OEPER - Office of Environmental Processes and Effects Research

OEPP - Thailand Office of Environmental Policy and Planning

OER - Office of Exploratory Research

OERR - Office of Emergency and Remedial Response

OES - Office of Emergency Services

OES - Office of Executive Support

OF - Optional Form

OFA - Office of Federal Activities

OFA - Overfire Air

OFDA - Office of U.S. Foreign Disaster Assistance

OFM - Organic Feed Material

OFPPA - Office of Federal Procurement Policy Act

OFSPS - Office of Federal Statistical Policy and Standards

O&G - Oil and Gas

O&G - Oil and Grease

OGC - Office of General Counsel

OGE - Office of Government Ethics

OGMS - Open Gradient Magnetic Separator

OGP - Office of Global Programs

OGR - Office of Government Relations

OGWDW - Office of Groundwater and Drinking Water

OGWDW-DWSD - Office of Groundwater and Drinking Water, Drinking Water Standards Division

OGWDW-EPID - Office of Groundwater and Drinking Water, Enforcement and Program Interpretation Division

OGWDW-GWPD - Office of Groundwater and Drinking Water, Groundwater Protection Division

OGWDW-TSC-OH - Office of Groundwater and Drinking Water, Technical Support Center

OGWP - Office of Groundwater Protection

OHEA - Office of Health and Environmental Assessment

OHEA - Office of Health Effects Assessment

OHMC - Oil and Hazardous Material Coordinator

OHMP - Occupational Health Maintenance Program

OHMTADS - Oil and Hazardous Material Technical Assistance Data System

OHR - Office of Health Research

OHRM - Office of Human Resources Management

OHS - Occupational Health & Safety

OHS - Oil and Hazardous Substance

OH&S - Occupational Health & Safety

OHSMSDS - Occupational Health Services Material Safety Data Sheets

OHSS - Occupational Health and Safety Staff

OHV - Off-Highway Vehicle

OI - Office of Investigations

OIA - Office of the Secretary for Information Analysis

OIA - Office of Intelligence and Analysis

OIA - Office of International Activities

OICC - Officer in Charge of Construction

OIG - Office of Inspector General

OIL - Office of Intergovernmental Liaison

OILHM - Oil and Hazardous Material Information System

OIRA - Office of Information and Regulatory Affairs

OIRM - Office of Information Resources Management

OIRW - Outstanding International Resource Water

OIS - Office of Information Services

OIS - One EHSA Incident System

OIT - Office of Information Technology

OJT - On the Job Training

OLA - Office of Legislative Analysis

OLA - Office of Local Assistance

OLDS - On-Lot Disposal System

OLEC - Office of Legal and Enforcement Counsel

OLN - Drivers License Number

OLN - Operators License Number

OLS - Office of Legal Services

OLS - Online Library System

OLTS - Online Tracking System

OM - Operating Manual

O&M - Operation and Maintenance

OMARD - Open Motorized Access Route Density

OMB - Office of Management and Budget

OMBIL - Operations and Maintenance Business Information Link

OMC - Optimum Moisture Content

OMDMP - Official Mail and Distribution Management program

OMEP - Office of Marine and Estuarine Protection

OMMSQA - Office of Modeling, Monitoring Systems and Quality Assurance

OMP - Operation, Monitoring & Performance

OMPC - Office of Municipal Pollution Control

OMPE - Office of Management Planning and Evaluation

OM&R - Operation, Maintenance and Repair

OMRRR - Operation, Maintenance, Repair, Rehabilitation and Replacement

OMS - Office of Mobile Sources

OMSE - Office of Management Systems and Evaluation

OMTA - Office of Management and Technical Assessment

OMZ - Oxygen Minimum Zone

OO - Operations Office

ONRW - Outstanding Natural Resource Waters

ONWI - Office of Nuclear Waste Isolation

OP - Office of Policy Analysis

OP - Office of Public Affairs

OP - Operating Plan

OP - Option Period

OP - Organophosphate Pesticides

OPA - Office of Policy Analysis

OPA - Office of Public Affairs

OPA - Office of Public Assistance

OPA - Oil Pollution Act (of 1990)

OPAC - Overall Performance Appraisal Certification

OP-ACPS - Operating Permit Application Plan and Compliance Schedule

OPAR - Office of Policy Analysis and Review

OP-CR01 - Operating Permit Certification by Responsible Official

OP-CR02 - TNRCC Operating Permit Form

OPCW - Organization for the Prevention of Chemical Warfare

OPD - Office of Program Development

OP-DEL - TNRCC Operating Permit Form

OPF - Official Personnel Folder

OPFT - Other than Permanent Full Time

OPFTE - Other than Permanent Full Time Equivalent

OPIC - Office of Public Interest Counsel

OPIDN - Organophosphate Induced Delayed Neurotoxicity

OPIM - Other Potentially Infectious Materials

OPL - Operating Parameter Limit

OPM - Office of Program Management

OPME - Office of Program Management and Evaluation

OPMO - Office of Program Management Operations

OPMS - Office of Program Management and Support

OPMT - Office of Program Management and Technology

OPP - Office of Pesticide Programs

OPP - Office of Pollution Prevention

OPP - Operating Permits Program

OPPAS - Office of Pesticide Programs Administrative Support Systems

OPP-BEAD - Office of Pollution Prevention, Biological and Economics Division

OPP-BPPD - Office of Pollution Prevention, Biopesticides and Pollution Prevention Division

OPP-EFED - Office of Pollution Prevention, Environmental Fate and Effects Division

OPP-FOD - Office of Pollution Prevention, Field Operations Division

OPP-HED - Office of Pollution Prevention, Health Effects Division

OPP-PMSD - Office of Pollution Prevention, Program Management Support Division

OPP-PSPS - Office of Pollution Prevention, Policy and Special Projects Staff

OPP-RD - Office of Pollution Prevention, Registration Division

OPP-SRRD - Office of Pollution Prevention, Special Review and Registration Division

OPPE - Office of Policy, Planning and Evaluation

OPPE-CCD - Office of Policy, Planning and Evaluation, Climate Change Division

OPPE-PMB - Office of Policy, Planning and Evaluation, Planning and Management Branch

OPPE-RCP - Office of Policy, Planning and Evaluation, Risk Communication Project

OPPE-RSPD - Office of Policy, Planning and Evaluation, Regional and State Planning Division

OPPE-UEPD - Office of Policy, Planning and Evaluation, Urban and Economic Development Division

OPPI - Office of Policy, Planning and Information

OPPM - Office of Policy and Program Management

OPPR - Office of Pollution Prevention and Recycling

OPPT - Office of Pollution Prevention and Toxics

OPPT-CCD - Office of Pollution Prevention and Toxics, Chemical and Control Division

OPPT-CMD - Office of Pollution Prevention and Toxics, Chemical Management Division

OPPT-CSRAD - Office of Pollution Prevention and Toxics, Chemical Screening and Risk Assessment Division

OPPT-EAD - Office of Pollution Prevention and Toxics, Environmental Assistance Division

OPPT-EETD - Office of Pollution Prevention and Toxics, Economics Exposure and Technology Division

OPPT-HERD - Office of Pollution Prevention and Toxics, Health and Environmental Review Division

OPPT-IMD - Office of Pollution Prevention and Toxics, Information Management Division

OPPT-OPME - Office of Pollution Prevention and Toxics, Office of Program Management and Evaluation

OPPT-PPD - Office of Pollution Prevention and Toxics, Pollution Prevention Division

OPPTS - Office of Prevention, Pesticides and Toxic Substances (includes OPP and OPPT; EPA)

OPRD - Office of Policy and Regulatory Development

OPS - Office of Operations Coordination

OPS - Organic Chemicals/Plastics and Synthetics (Industrial Category)

OPS - Operating Properly and successfully

OPTS - Office of Pesticides and Toxic Substances

OPTSRTS - Office of Pesticides and Toxic Substances Regulation Tracking System

OR - Odds Ratio

ORALTOX - Acute Oral Toxicity for Birds, Mice Rats

ORC - Office of Regional Counsel

ORCA - Online Representations and Certifications

ORCAS - Ocean Response Coastal Analysis System

ORD - Office of Research and Development

ORDIS - Office of Research and Development Information Systems

ORISE - Oak Ridge Institute for Science and Education

orl - Oral

ORM - Other Regulated Material

ORMS - Office Resources Management System

ORNIM - Ohio River Navigation Investment Model, Phase I

ORNL - Oak Ridge National Laboratory

ORO - Office of Regional Operations

OR-OSHA - Oregon Occupational Safety and Health Administration

ORP - Office of Radiation Programs

ORP - Oxidation-Reduction Potential

ORPIA - Office of Radiation Programs and Indoor Air

ORPM - Office of Research Program Management

ORPS - Occurrence Reporting and Processing System

ORR - Office of Response and Restoration

ORR - Operational Readiness Review

ORS - Office of Regulatory Support

ORSANCO - Ohio River Valley Water Sanitation Commission

ORSSA - Office of Regulatory Support and Scientific Analysis

ORV - Off-Road Vehicle

ORVR - Onboard Refueling Vapor Recovery

OSA - Office of the Secretary of the Army

OSA - Office of the State Architect

OSC - On-Scene Coordinator

OSC - Operations Section Chief

OSC - Options Selection Committee

OSCSP - Organized Sewage Collection System Plan

OSD - Office of the Secretary of Defense

OSDBU - Office of Small and Disadvantaged Business Utilization

OSDH - Oklahoma State Department of Health

OSE - Other Social Effects

OSFR - Office of State and Federal Relations

OSGR - Occupational Safety & General Regulations

OSH - Occupational Safety & Health

OS&H - Occupational Safety & Health

OSHA - Occupational Safety and Health Act (1970)

OSHA - Occupational Safety and Health Administration

OSHC - Occupational Safety and Health Cases

OSHRC - Occupational Safety and Health Review Commission

OSL - Owners Spill Liability Insurance

OSLGC - Office of State and Local Government Coordination

OSM - Office of Surface Mining Reclamation and Enforcement

OSMRE - Office of Surface Mining Reclamation and Enforcement

OSP - Office of Strategic Planning

OSPAR - Convention for the Protection of the Marine Environment of the North-East Atlantic

OSPR - Oil Spill Prevention and Response

OSPRA - Oil Spill Prevention and Response Act (1991)

OSR - Office of Standards and Regulations

OSRA - Office of Sponsored Research Activities

OSRE - Office of Site Remediation Enforcement

OSRO - Oil Spill Removal Organization

OSRTI - Office of Superfund Remediation and Technology Innovation

OSSF - Onsite Sewage Facilities

OST - Office of Science and Technology

OST-EAD - Office of Science Technology, Engineering and Analysis Division

OST-HECD - Office of Science Technology, Health and Ecological Criteria Division

OSTI - Office of Scientific and Technical Information

OST-SASD - Office of Science Technology, Standards and Applied Science Division

OSTP - Office of Science and Technology Policy

OS/VS - Operating System/Virtual Storage

OSW - Office of Solid Waste

OSWDO - Onsite Waste Disposal Order

OSWER - Office of Solid Waste and Emergency Response

OSWRO - Offsite Waste and Recovery Operations

OT - Overtime

OTA - Office of Technology Assessment

OTAG - Ozone Transport Assessment Group

OTC - Over-the-Counter

OTC - Ozone Transport Commission

OTD - Office of Technology Development

OTP - Office of Territorial Programs

OTR - Oncogenic Transformation

OTR - Ozone Transport Region

OTS - Office of Toxic Substances (now OPPT)

OTSMTS - Office of Toxic Substances Milestone Tracking System

OTVC - Open Top Vapor Cleaner

OU - Operable Unit

OUO - Official Use Only

OUST - Office of Underground Storage Tanks

OVA - Organic Vapor Analyzer

OV/AG - Organic Vapor/Acid Gas

OVES - Opacity and Visual Emission Standards

OVEST - Value Engineering Study Steam

OVM - Organic Vapor Monitor

OVR - Overflight Contracts

OW - Office of Water

OW-AIEO - Office of Water-American Indian Environmental Office

OWCP - Office of Workers Compensation Programs

OWEC - Office of Wastewater Enforcement and Compliance

OWEP - Oily Waste Extraction Program

OWG - Operations Working Group

OWGL - Open Waters of the Great Lakes

OWM - Office of Waste Management

OWM - Office of Waste Minimization

OWM - Office of Wastewater Management

OWM-ED - Office of Wastewater Management, Enforcement Division

OWM-MSD - Office of Wastewater Management, Municipal Support Division

OWM-PD - Office of Wastewater Management, Permits Division

OWOW - Office of Wetlands, Oceans and Watersheds

OWOW-AWPD - Office of Wetlands, Oceans and Watersheds, Assessment and Watershed Protection Division

OWOW-OCPD - Office of Wetlands, Oceans and Watersheds, Oceans and Coastal Protection Division

OWOW-WD - Office of Wetlands, Oceans and Watersheds, Wetlands Division

OWP - Office of Wetlands Protection

OWPD - Office of Waste Programs Enforcement

OWPE - Office of Waste Programs Enforcement

OWPO - Office of Water Program Operations

OWRM - Office of Water Resource Management

OWRS - Office of Water Regulations and Standards

OWS - Oil/Water Separator

OWTRC - Onsite Wastewater Treatment Research Council

Ox - Total Oxidants

OX - Oxidation

OY - Operating Year

OYG - Operating Year Guidance

OZIPP - Kinetics Model and Ozone Isopleth Plotting Package

OZIPPM - Modified Ozone Isopleth Plotting Package

P

P - Phosphorous

P - Probit Dose Extrapolation Model

P level - Professional Level

P list - Listed Hazardous Waste: Acutely Hazardous

P2 or P2 - Pollution Prevention

P2R - Performance/Progress Review

P3 or P3 - Pollution Prevention Plan

P4 - Permanent Pollution Prevention Program

P4 - Elemental Phosphorous

P8-UCM - Program for Predicting Polluting Particle Passage through Pits, Puddles and Ponds Urban Catchment Model

PA - Pennsylvania

PA - Permit Authority

PA - Policy Analyst

PA - Power Administrations

PA - Preliminary Assessment

PA - Programmatic Agreement

PA - Property Administrator

PA - Public Affairs

Pa - Pascal (N/m2)

P & A - Precision and Accuracy

PAA - Priority Abatement areas

PAAS - Region 10 External Affairs Labels System

PAC - Polycyclic Aromatic Compounds

PAC - Postauthorization Change

PAC - Powdered Activated Carbon

PAC - Production of Agricultural Chemicals

PAC - Public Advisory Committee

PACE - People Against a Contaminated Environment

PAD - Planning and Analysis Division

PAD - Pollution Abatement Department

PADCNR - Pennsylvania Department of Conservation and Natural Resources

PADEP - Pennsylvania Department of Environmental Protection

PADOT - Pennsylvania Department of Transportation

PADRE - Particulate Data Reduction

PADS - PCB Data Activity System

PAFT - Program for Alternative Fluorocarbon Toxicity Testing

PAG - Pesticide Assessment Guidelines

PAG - Protective Action Guidelines

PAGM - Permit Applicants Guidance Manual

PAH - Polycyclic Aromatic Hydrocarbon

PAH - Polynuclear Aromatic Hydrocarbon

PAHO - Pan American Health Organization

PAI - Performance Audit Inspection

PAI - Pure Active Ingredient Compound

PAID - Plutonium Air Inhalation Dose

PAIR - Preliminary Assessment Information Rule

PAIS - Public Affairs Information Service

PAL - Point, Area, and Line Source Air Quality Model

PAL - Preventative Action Limits

PALDS - PAL Model with Deposition and Settling of Pollutants

PALT - Procurement Administrative Lead Time

PAM - Performance Assessment Matrix

PAM - Pesticide Analytical Manual

PAME - Protection of the Arctic Marine Environment

PAMS - Photochemical Assessment Monitoring Stations

PAMs - Preferred Alternatives Matrices

PAN - Peroxyacetyl Nitrate

PAO - Property Accountable Officer

PAO - Public Affairs Office

PAO - Public Affairs Officer

PAOT - Persons at One Time

PAPR - Powered Air-Purifying Respirator

PAR - Pathways Analysis Report

PARACDS - Missing Parameter Codes

PARC - Office of the Principal Assistant Responsible for Contracting

PARCC - Precision, Accuracy, Representativeness, Completeness, and Comparability

PARIS - Program for Assisting the Replacement of Industrial Solvents

PARS - Precision and Accuracy Reporting System

Part A - Initial RCRA Permit Application

Part B - Detailed RCRA Permit Application

PAS - Planning Assistance to States

PAS - Policy analysis Staff

PAS - Preliminary Assessment Screening

PA/SI - Preliminary Assessment/Site Inspection

PASS - Procurement Automated Source System

PAT - Permit Assistance Team

PAT - Phosphinothinothricin Acetyltransferase

PATS - Pesticide Action Tracking System

PATS - Pesticides Analytical Transport Solution

PAVE - Program for Assessing Volatile Emissions

PAWS - Portable Acoustic Wave Sensor

PAYT - Pay-As-You-Throw

PB - Polybutene

PB - Primary Basin

Pb - Lead

PB-1 - Engineering Form 2200, Summary Construction Program

PB-2a - Engineering Form 2201A, Detailed Project Summary

PB-3 - Engineering Form 2202, Project Cost Estimate

PB-6 - Engineering Form 2204, Study Cost Estimate

PBA - Preliminary Benefit Analysis

PBBs - Polybromated Biphenyls

PBC - Packed Bed Condenser

PBL - Planetary Boundary Layer

PBLSQ - The Lead Line Source Model

PBMS - Performance Based Management System

PBPK - Physiologically Based Pharmacokinetic

PBR - Permit of Rule

PBR - Polybutadiene Rubber

PBS - Packed Bed Scrubber

PBSA - Performance Based Service Acquisition

PBT - Persistent, Bioaccumulatve and Toxic

PBT - Portable Breathalyzer Test

PC - Personal Computer

PC - Physically Complete

PC - Planned Commitment

PC - Position Classification

PC - Potential Carcinogen

PC - Pulverized Coal

PCA - Primary Conservation Area

PCA - Principle Component Analysis

PCA - Project Cooperation Agreement

PCA - Property Clearance Assessment

PCAST - Presidents Committee of Advisors on Science and Technology

PC&B - Personnel Compensation and Benefits

PCBs - Polychlorinated Biphenyls

PC-BEIS2 - PC Version of Biogenic Emissions Inventory Sysytem, Version 2

PCBTF - Parachlorobenzotrifluoride

PCC - Policy Coordination Committee

PCC - Portland Cement Concrete

PCC - Primary Combustion Chamber

PCCB - Pollution Control Coordinating Board

PCCW - Public Citizens Congress Watch

PCDD - Polychlorinated Dibenzo-p-dioxin

PCDF - Polychlorinated Dibenzofuran

PCE - Perchloroethylene

PCE - Pollution Control Equipment

PCE - Project Cost Estimate

PCEE - President's Commission on Executive Exchange

PCF - Probability Correction Factor

pCi - Picocuries

PCID - Prolapsed Cervical Intervertebral Disc

PCIE - President's Council on Integrity and Efficiency in Government

PCII - Protected Critical Infrastructure Information

pCi/l - Picocuries per Liter

pCi/m2-sec - Picocuries per Square Meter per Second

PCIO - PC Information Officer

PCIOS - Processor Common Input/Output System

PCL - Protective Contaminant Levels

pc/l - Picocuries per Liter

PCLE zone - Protective Concentration Level Exceedence Zone

PCM - Phase Contrast Microscopy

PCMD - Procurement and Contracts Management Division

PCMI - President's Council on Management Improvement

PCN - Policy Criteria Notice

PCN - Preconstruction Notification

PCO - Pest Control Operator (licensed applicator)

PCO - Printing Control Officer

PCO - Procurement Contracting Officer

PCON - Potential Contractor

PCOS - Potential Chromium Oxidation Score

PCP - Pentachlorophenol

PCR - Polymearse Chain Reaction

PCRAMMET - Personal Computer Version of the Meteorological Preprocessor for the Old RAM program

PCS - Permanent Change of Station

PCS - Permit Compliance System

PCS - Program Coordination Staff

PCS - Program Control System

PCSC - PC Site Coordinator

PCSD - President's Council on Sustainable Development

PCV - Positive Crankcase Ventilation System

PD - Permits Division

PD - Position Description

PD - Position Document

PD - Press Division

PD - Purchase Description

PDA - Personal Digital Assistant

PDA - Preliminary Damage Assessment

PDAS - Physiological Data Acquisition System

PDCI - Product Data Call-in

PDD - Presidential Decision Directive

PDED - Program Development and Evaluation Division

PDF - Portable Document Format

PDF Probability Density function

PDFID - Positive Direct Flame Ionization Detection

PDFID - Preconcentration Direct Flame Ionization Detection

PDM - Probablistic Dilution Model

PDM3.1 - Probabilistic Dilution Model Version 3.1

PDMS - Pesticide Document Management System

PDN - Pre-Discharge Notification

PDR - Particulate Data Reduction

PDR - Public Data Release

PDS - Personnel Decontamination Station

PDS - Practice Dangerous to Security

PDS - Preliminary Determination Summary

PDTS - Predetermined Time Systems

PE - Performance Evaluation

PE - Physical Examination

PE - Preliminary Engineering

PE - Professional Engineer

PE - Program Element

PEA - Preliminary Endangerment Assessment

PEA - Preliminary Exposure Analysis

PEARL - Portable Environmental Assessment and Research Laboratory

PEAS - Policy and External Affairs Staff

PEB - Performance Evaluation Board

PEB - Petroleum Evaluation Board

PEC - Pennsylvania Environmental Council

PEC - Program Element Code

PED - Portable Electrical Device

PED - Program Evaluation Division

PED - Preconstruction Engineering and Design

PE&D - Planning, Engineering and Design

PEF - Particulate Emission Factor

PEFOS - Program Evaluation and Field Operations Staff

PEHIS - Preliminary Health Impact Assessment

PEI - Petroleum Equipment Institute

PEL - Pennsylvania Economy League

PEL - Perceived Exposure Limit

PEL - Permissible Exposure Limit

PEL - Personal Exposure Limit

PEL - Priority Enforcement List

PEM - Partial Equilibrium Multimarket Model

PEM - Personal Exposure Model

PEMA - Pennsylvania Emergency Management Agency

PEMA - Professional Environmental Marketing Agency

PEMS - Predictive Emissions Monitoring System

P.Eng - Registered Professional Engineer

PennDOT - Pennsylvania Department of Transportation

PEO - Program Executive Officer

PEP - Public Education Program

PEPCO - Potomac Electric Power Company

PEPE - Prolonged Elevated Pollution Episode

PEQ - Projected Effluent Quality

PER - Performance Evaluation Report

PER - Process Emission Regulation

PER7 - Region 7 Personnel System

PERC - Perchloroethylene

PERF - Police Executive Research Forum

PERM - Preliminary Environmental Review Memorandum

PERMDATA - PERMDATA Management System

PERS - Ada Personnel System

PERSGA - Regional Organization for Conservation of Environment of the Red Sea and Gulf of Aden

PERSPROP - Personal Property Data Entry and Report System

PERT - Program Evaluation and Review Technique

PES - Planning and Evaluation Staff

PES - Project Executive Summary

PESC - Cincinnati Performance Evaluation System

PEST - Region 7 Nebraska Pesticide

PESTANS - Pesticides Analytical Transport Solution (Groundwater Model)

PESTANV4.0 - Pesticide Analytical Model Version 4.0

PETC - Pittsburgh Energy Technology Center

PETE - Polyethylene Terephthalate

PETG - Polyethylene Terephthalate G Copolyester

PF - Potency Factor

PF - Protection Factor

PFA - Pulverized Fly Ash

PFC - Perfluorocarbon

PFCRA - Program Fraud Civil Remedies Act

PFD - Personal Flotation Device

PFD - Probability of Failure on Demand

PFD - Proposal for Decision

PFLT - Paint Filter Liquids Test

PFO - Principal Federal Official

PFOS - Perfluorooctanyl Sulfonate

PFPR - Pesticide Formulating, Packaging, and Repackaging

PFRP - Process to Further Reduce Pathogens

PFS - Professional Food Systems

PFSS - Pesticide Farm Worker Safety Staff

PFT - Permanent Full Time

PFTE - Permanent Full Time Equivalent

PFY - Prior Fiscal Year

pg - Picogram

P&G - Principles and Guidelines

PGC-BMP - Prince Georges Count Best Management Practice Module

PGD - Policy and Grants Division

PGM - Planning Guidance Memorandum

PGN - Planning Guidance Notebook

PGWDB - Pesticides in Groundwater Database

pH - Value of Acidity or Alkalinity

PHA - Preliminary Hazards Analysis

PHA - Process Hazard Analysis

PHABSIM - Physical Habitat Simulation

PHARE - Poland and Hungary Assistance for Economic Restructuring of the European Union

PHAST - Process Hazard Analysis Software Tools

PHB - Polyhydroxybutyrate

PHC - Principal Hazardous Constituent

PHD - Peak Handle Displacement

PHE - Public Health Evaluation

PHEE - Public Health and Environmental Evaluation

PHEM - Public Health Evaluation Manual

PHF - Public Health Foundation

PHH - Planar Halogenated Hydrocarbons

PHHVAS - Pesticide Head High0Volume Air Sampler

PHI - Pre-Harvest Interval

PHN - Public Health Network

PHONEBOOK - Region 3 Telephone Directory

PHRED - Public Health Risk Evaluation Data Base

PHS - Particularly Hazardous Substance

PHS - Public Health Service

PHSA - Public Health Service Act

PHV - Peak Handle Velocity

PI - Preliminary Injunction

PI - Principal Investigator

PI - Program Information

PIA - Privacy Impact Assessment

PIAT - Public Information Assist Team

PIC - Pressurized Ion Chamber

PIC - Prior Informed Consent

PIC - Product of Incomplete Combustion

PIC - Public Information Center

PIC - Public Interest Counsel

PICO - Pacific Islands Contact Office

PID - Photoionization Detector

P&ID - Piping and Instrument Diagram

PIES - Pollution Prevention Information Exchange

PIES - Project Impact Evaluation System

PIG - Program Implementation Guide

PIGS - Pesticides in Groundwater Strategy

PIH - Poison Inhalation Hazard

PIMS - Pesticide Incident Monitoring System

PIN - Personal Identification Number

PIN - Pesticide Information Network

PIN - Pre Invitation Notice

PIN - Procurement Information Notice

PINS - Posterior Interosseous Nerve Syndrome

PIO - Public Information Officer

PIP - Proximal Interphalangeal

PIP - Public Involvement Program

PIPES - Point Source Information Provision and Exchange System

PIPQUIC - Program Integration Project Queries Used in Interactive Command

PIRG - Public Interest Research Group

PIRIB - Public Information and Records Integrity Branch

PIRS - Pollution Incident Reporting System

PIRT - Pretreatment Implementation Review Task Force

PIRU - Public Information Reference Unit

PIS - Public Information Specialist

PIT - Permit Improvement Team

PITS - Project Information Tracking System

Pk - Peak Concentration

PKA - Previously Known As

PKSDD - Probability Kriging to Spatially Distributed Data System

PL - Public Law

PLC - Programmable Logic Controller

PLEC - People, Land management and Environmental Change

PLIRRA - Pollution Liability Insurance and Risk Retention Act

PLL - Posterior Longitudinal Ligament

PLM - Polarized Light Microscope

PLOAD - A GIS and Spreadsheet Tool to Calculate Nonpoint Sources of Pollution in Watersheds

PLP - Pyridoxal 5-phosphate

PLPT - Pretreatment Local Program Tracking System

PLRG - Pollution Load Reduction Goal

PLS - Program Liaison Office

PLUME - Outfall PLUME Model

PLUME2D - Two-Dimensional Plumes in Uniform Ground Water Flow

PLUME3D - Three-Dimensional Plumes in Uniform Ground Water Flow

PLUVUE - Plume Visibility Model

PM - Particulate Matter

PM - Preventative Maintenance

PM - Product Manager

PM - Program (Project) Manager

PM2.5 - Particulate Matter Smaller than 2.5 microns in diameter

PM10 - Particulate Matter (nominally 10 microns in diameter and less)

PM15 - Particulate Matter (nominally 15 microns in diameter and less)

PMA - Petition for Modification of Abatement

PMAS - Photochemical Assessment Monitoring Stations

PMBP - Program and Project management Business Process

PMC - Program Management Committee

PMD - Personnel Management Division

PMD - Planning and Management Division

PMD - Potable Monitoring Device

PMEL - Pacific Marine Environmental Laboratory

PMF - Probable Maximum Flood

PMI - Presidential Management Intern

PMI - Preventative Maintenance Instructions

PMIP - Presidential Management Intern Program

PMIS - Personnel management Information System

PML - Probable Maximum Loss

PMN - Premanufacture Notification

PMNF - Premanufacture Notification Form

PMO - Program Management Office

PMOS - Program Management and Operations Staff

PMP - Project Management Plan

PMR - Pollutant Mass Rate

PMR - Proportionate Mortality Rate

PMRK - NEIC Permit Ranking System

PMRS - Performance Management and Recognition System

PMRS - Performance Monitoring and Reporting System

PMS - Pavement Management System

PMS - Performance Management System

PMS - Performance Management Specialist

PMS - Performance Monitoring System

PMS - Planning and Management Staff

PMS - Program Management Staff

PMS - Program Management System

PMS - Region 4 Position Management System

PMSA - Primary Metropolitan Statistical Area

PMSD - Program Management and Support Division

PMSS - Policy and Management Support Staff

PN - Part Number

PN - Public Notification

PNA - Polynuclear Aromatic Hydrocarbons

PNA/PAH - Polynuclear Aromatic Hydrocarbons/Polyaromatic Hydrocarbons

PNEC - Predicted No-Effects Concentration

PNL - Pacific Northwest Laboratory

PNR - Pittsburgh Naval Reactors

PNRS - Preliminary Natural Resource Survey

PO - Program Operations

PO - Project Office

PO - Project Officer

PO - Purchase Order

po - Per OS (by Mouth)

POA - Program Office Approvals

POB - Place of Birth

POC - Point of Compliance

POC - Point of Contact

POC - Program Office Contacts

POC - Proof of Concept

POD - Pacific Ocean Division

POD - Point of Departure

POD - Point of Determination

POE - Point of Entry

POE - Point of Exposure

POE - Point of Entry Technologies

POE - Port of Entry

POE - Projected Operating Environment

POGO - Privately-Owned/Government-Operated

POHC - Principal Organic Hazardous Constituent

POI - Point of Interception

POL - Petroleum, Oils and Lubricants

POLRE - Pollution Report

POLREP - Pollution Report

POM - Particulate Organic Matter

POM - Polycyclic Organic Matter

POM - Prescription Only Medicine

POMO - Program Operations and Management Office

POP - Performance Oriented Packaging

POP - Period of Performance

POP - Persistent Organic Pollutant

POR - Program of Requirements

PORS - Project Officer Record System

PORTS - Physical Oceanographic Real-Time System

POS - Plan of Study

POS - Program Operations Staff

POSSEE - Plant Organizational Software System for Emissions from Equipment

POTRK - Region 3 Purchase Order Tracking System

POTS - Plain Old Telephone System

POTW - Privately Owned Treatment Works

POTW - Publicly Owned Treatment Works

POU - Point of Use Technologies

POV - Privately Owned Vehicle

PP - Pay Period

PP - Pesticide Petition

PP - Pollution Prevention

PP - Polypropylene

PP - Priority Pollutants

PP - Program Planning

P & P - Preparedness & Prevention

P & P - Priorities and Planning Committee

P&P Manual - Policy & Procedures Manual

PPA - Pennsylvania Planning Association

PPA - Performance Partnership Agreement

PPA - Pesticide Producers Association

PPA - Planned Program Accomplishment

PPA - Pollution Prevention Act

PPAS - Personal Property Accountability System

ppb - Parts per Billion

ppbv - Parts per Billion by Volume

PPBS - Program Planning and Budget Staff

PPC - Personal Protective Clothing

PPC - Pollution Prevention and Conservation

PPC - Pollution Prevention Code (Responsible Care Initiative)

PPC - Preparedness, Prevention and Contingency Plan

PPD - Pollutant Policy Document

PPE - Personal Protective Equipment

PPG - Performance Partnership Grant

PPIC - Pesticide Programs Information Center

PPIC - Pollution Prevention Information Clearinghouse

PPIS - Pesticide Product Information System

PPIS - Pollution Prevention Incentives for States

ppm - Parts per Million

PPM - Project and Program Management

PPMAP - Power Planning Modeling Application Procedure

PPMS - Personal Property Management System

ppmv - Parts per Million by Volume

ppmvd - Parts per million by Volume Dry

ppmw - Parts per Million by Weight

PPP - Pollution Prevention Plan

PPP - Purchasing Power Parity

PPPA - Poison Prevention Packaging Act

PPPL - Princeton Plasma Physics Laboratory

ppq - Parts per Quadrillion

PPRC - Pollution Prevention Resource Center

PPRS - Program Planning and Review Staff

PPSP - Power Plant Siting Program

ppt - Parts per Thousand

ppt - Parts per Trillion

PPT - Permanent Part Time

PPT - Pressure Pain Thresholds

ppth - Parts per Thousand

pptr - Parts per Trillion

PPU - Pollution Prevention Office

PQGWP - Poor Quality Groundwater Withdrawal Permit

PQL - Practical Quantitation Limit

PQUA - Preliminary Quantitative Usage Analysis

PQV - Program Quality Verification

PR - Pesticide Regulation Notice

PR - Planned removal

PR - Preliminary Review

PR - Procurement Request

PR - Proposed Rule(s)

PR - Purchase Request

PRA - Paperwork Reduction Act

PRA - Planned Regulatory Action

PRA - Probabilistic Risk Assessment

PRAA - Partial Response Action Area

PRACR - Post Response Action Care Report

PRAMS - Paperwork Reduction Act Management System

PRATS - Pesticides Regulatory Action Tracking System

PRB - Permeable Reactive Barrier

PRB - Project/Program Review Board

PRC - Pennsylvania Resource Council

PRC - Planning Research Corporation

PRC - Public Resources Code

PR & C - Purchase Request & Commitment

PRCS - Permit-Required Confined Space

PRD - Pressure Relief Device

PRD - Program and Development

PREP - Preparedness Directorate

PREP - Preparedness for Response Exercise Program

PREPRZM - Pesticide Root Zone Model

PRESS - Pressure

PRESTO - Prediction of Radiological Effects to Shallow Trench Operation

PRGs - Preliminary Remediation Goals

PRI - Periodic Reinvestigation

PRIA - Preliminary Regulatory Impact Analysis

PRIP - Plant Replacement and Improvement Program

PRISM - Project Resources Information System for Management

PRIV - Privacy Office

PRM - Prevention Reference Manuals

PRMS - Plans Review Management System

PRN - Pesticide Registration Notice

PRNIC - Public and regulatory Notification of Intent to Comply

PRO - Program Records Officer

PROD - Production

PROF - Premixed One-Dimensional Flame Code

PROFEPA - Mexico Procuraduria Federal de Proteccion al Ambiente

PROMIS - Programs Management Information Systems

PROPIN - Proprietary Information

Prop 65 - Californias Safe Drinking Water and Toxic Enforcement Act

PROSPECT - Proponent Sponsored Engineer Corps Training

PRP - Potentially Responsible Party(s)

PRR - Prevalence Rate Ratio

PRS - Procurement Tracking System

PRTR - Pollutant Release and Transfer Registry

PRTYPOLS - Priority Pollutants

PRV - Pressure Relief Valve

PRZM - Pesticide Root Zone Model

PS - Planning Staff

PS - Point Source

PS - Polystyrene

PS - Preparedness Staff

PS - Primary Standard

PS - Process Safety

PS - Public Water Supply

P&S - Plans and Specifications

P&S - Principles and Standards

PSA - Pipeline Safety Act

PSA - Preliminary Site Assessment

PSA - Public Service Announcement

PSAM - Point Source Ambient Monitoring

PSAPCA - Puget Sound Air Pollution Control Agency

PSB - Public Safety Building

PSC - Planning Section Chief

PSC - Program Site Coordinator

PSCS - Preliminary Site Characterization Study

PSD - Prevention of Significant Deterioration

PSD - Program Systems Division

PSDB - Point Source Database

PSDI - Presence Sensing Device Initiation

PSDL - Region 4 PSD Log System

PSE - Planned Special Exposure

PSE - Program Sub-Element

PSE&G - Public Service Electric and Gas

PSEL - Plant Specific Emission Limit

PSES - Pretreatment Standards for Existing Sources

psf - Pounds per Square Foot

PSI - Pollutant Standards Index

PSI - Pressure per Square Inch

PSI - Process Safety Information

psi - Pounds per Square Inch

psia - Pressure per Square Inch Absolute

psig - Pressure per Square Inch Gauge

PSM - Point Source Modeling

PSM - Point Source Monitoring

PSM - Process Safety Management

PSNS - Pretreatment Standards for New Sources

PSOC - Potential Sources of Contamination

PSP - Payroll Savings Plan

PSP - Project Study Plan

PSPD - Permits and State Programs Division

PSPM - Priority Site Planning Model

PSR - Polysulfide Rubber

PSR - Process Safety Review

PSR - Project Safety Review

PSRP - Process to Significantly Reduce Pathogens

PSS - Personnel Security Staff

PSS - Personnel Staffing Specialist

PSS - Physical Security Specialist

PSS - Program Support Staff

PSSM - Priority Site Summary Module

PST - Petroleum Storage Tank

PSTN - Pesticide Safety Team Network

PSTR - Petroleum Storage Tank Removal Fund

PSU - Primary Sampling Unit

PSV - Process Safety Valve

PSVE - Passive Solar Vapor Extraction

PSW - Potable Supply Well

PSW - Process Safety Website

PSX - Polysiloxane

PT - Packed Tower

PT - Part Time

PT - Project Team

PT - Total Particulate Matter

PTA - Packed Tower Aeration

PTAT - Pesticides, Toxics and Air Team

PTDIS - Single Stack Meteorological Model in EPA UNAMAP series

PTE - Permanent Total Enclosure

PTE - Potential to Emit

PTFE - Polytetrafluoroethylene (Teflon)

PTI - Permit to Install

PTI - Public Technology, Inc.

PTMAX - Single Stack Meteorological Model in EPA UNAMAP Series

PTMPT - Multistack Meteorological Model in EPA UNAMAP Series

PTO - Permit to Operate

PTPLU - Point Source Gaussian Diffusion Model

PTR - Portable Traffic Recorder

PTS - Permeation Tube System

PTS - Project Tracking System

PTSD - Pesticides and Toxic Substances Division

PTSED - Pesticides and Toxic Substances Enforcement Division

PTSM - Principal Threat Source Material

PTZ - Pan/Tilt/Zoom

PU - Polyurethane

PU - Pulmonary Region

PUC - Public Utility Commission

PUD - Planned Unit Development

PUHCA - Public Utility Holding Company Act

PURPA - Public Utility Regulatory Policies Act

PV - Project Verification

P/V - Pressure/Vacuum

PVA - Polyvinyl Alcohol

PVB - Pressure Vacuum Breaker

PVC - Polyvinyl Chloride

PVMH - Pressure-Vacuum Man Hole

PVQ - Previsit Questionnaire

PWB - Printed Wiring Board

PWGSC - Public Works and Government Services Canada

PWP - Planning Work Program

PWS - Performance Work Statement

PWS - Public Water Supply/System

PWSA - Ports and Waterways Safety Act

PWSS - Public Water Supply System

PY - Prior Year
Q

Q - Quencher

Qad - Allowable Dilution Flow

QA - Quality Assurance

Q&A - Questions and Answers

Qs & As - Questions and Answers

QAA - Quality Assessment Audit

QAARP - Quality Assurance Annual Report and Work Plan

QAC - Quality Assurance Coordinator

QAFILE - Ambient Quality Assurance Data Base

QAM - Quality Assurance Manager

QAMIS - Quality Assurance Management and Information System

QAMS - Quality Assurance Management Staff

QAO - Quality Assurance Officer

QAP - Quality Assurance Plan

QAPjP Quality Assurance Project Plan

QAPP - Quality Assurance Program Plan

QAPP - Quality Assurance Project Plan

QA/QC - Quality Assurance / Quality Control

QAR - Quality Assurance Report

QAR - Quality Assurance Representative

QASP - Quality Assurance Surveillance Plan

QASRE - Research Triangle Park Quality Assurance Data System

QAT - Quality Action Team

QATS - Quality Assurance Technical Support

qBtu - Quadrillion British Thermal Units

QC - Quality Control

QC - Quench Column

QCA - Quiet Communities Act

QCI - Quality Control Index

QCP - Quality Control Plan

QCP - Quiet Community Program

QCSDS - Quality Control Sample Distribution

QCT - Quantitative Computed Tomography

Q-D - Quantity-Distance

QEP - Qualified Environmental Professional

QF - Qualifying Facility

QHEI - Qualitative Habitat Evaluation Index

QI - Qualified Individual

QIP - Quality Improvement Program

QL - Quantitation Limit

QLF/ACE - Quebec-Labrador Foundation/Atlantic Center for the Environment

QM - Quality Management

QM - Query Manager

QMP - Quality Management Plan

QMS - Quality Management System

QNCR - Quarterly Noncompliance Report

Qobn - Quarternary Older Bay Mud

QPP - Quality Program Plan

QPR - Quarterly Progrss Report

QRA - Quantitative Risk Assessment/Analysis

QS - Quench Separator

QSAR - Quantitative Structure Activity Relationships

QSI - Quality Step Increase

QT - Quench Tower

QUA - Qualitative Use Assessment

QUA - Quantitative Usage Analysis

QUA* - Quantitative Usage Analysis Plus Information

QUAL-II - Stream Quality Model

QUAL2E - Enhanced Stream Water Quality Model

QUIPE - Quarterly Update for Inspector in Pesticide Enforcement

QWIP - Quality Water Improvement Program

Qybm - Quarternary Younger Bay Mud

R

R6CAPS - Region 6 Corrective Action Prioritization System

RA - Radiological Assay

RA - Reasonable Alternative

RA - Regional Administrator

RA - Regulatory Alternative

RA - Regulatory Analysis

RA - Reimbursable Agreement

RA - Relative Accuracy

RA - Remedial Action

RA - Resource Allocation

RA - Risk Analysis

RA - Risk Assessment

RA - Run Average

RAATS - RCRA Administrative Action Tracking System

RAB - Remedial Action Branch

RAC - Radiation Advisory Committee

RAC - Raw Agricultural Commodity

RAC - Regional Asbestos Coordinator

RAC - Regional Aviation Committee

RAC - Remedial Action Contract

RAC - Research Advisory Council

RAC - Response Action Contract

RAC - Response Action Contractor

RAC - Response Action Coordinator

RAC - Risk Assessment Council

RAC - Reference Air Concentration

RC&D - Resource Conservation and Development District

RACF - Resource Access Control Facility

RACHEL - Reauthorization and Clarification of How Everybody's Liable

RACM - Reasonably Available Control Measures

RACM - Regulated Asbestos Containing Material

RACR - Response Action Completion Report

RACS - Reiter Acoustic Startle

RACT - Reasonably Available Control Technology

RAD - Radiation

RAD - Radiation Adsorbed Dose

RAD - Risk Associated Dose

RADCOM - Radiological Control

RADM - Random Walk Advection and Dispersion Model

RADM - Regional Acid Deposition Model

RAD/NUCCTEC - Radiological/Nuclear Countermeasures Testing and Evaluation Complex

RADRISK - Radionuclide Dose Rate/Risk

RADX - Cincinnati Radiation Exposure Tracking System

RAER - Response Action Effectiveness Report

RAF - Relative Absorption Factor

RAF - Risk Assessment Forum

RAGAGEP - Recognized and Generally Accepted Good Engineering Practice

RAGS - Risk Assessment Guidance

RAINS - Regional Acidification Information and Simulation

RAIR - Rail Equipment Accident/Incident Report Database

RAM - Random Access Memory

RAM - Real-Time Air-Quality Simulation Model (urban air quality model for point and area sources)

RAM - Remote Area Monitor

RAM - Residue Analytical Methods

RAM - Responsibility Assignment Matrix

RAMP - Remedial Action Management Plan

RAMP - Remedial Action Master Plan

RAMP - Rural Abandoned Mine Program

RAMS - Regional Air Monitoring System

RAO - Remedial Action Objectives

RAP - Radon Action Plan

RAP - Reclaimed Asphalt Pavement

RAP - Regional Aquifer Protection

RAP - Registration Assessment Panel

RAP - Remedial Accomplishment Plan

RAP - Remedial Action Plan

RAP - Reregistration Assessment Panel

RAP - Response Action Plan

RAPA - Regional Office for Asia and the Pacific of FAO

RAPS - Regional Air Pollution Study

RAQC - Regional Air Quality Committee

RARG - Regulatory Analysis Review Group

RA/RM - Risk Assessment/Risk Management

RAS - Remote Alarm Systems

RAS - Routine Analytical Services

RAS - Risk Assessment Study

RASP - Regional Aviation Systems Plan

RAT - Relative Accuracy Test

RATA - Relative Accuracy Test Audit

RAWP - Response Action Work Plan

RB - Red Border

RB - Request for Bid

RBAC - Recycling and Reuse Business Assistance Center

RBC - Red Blood Cells

RBC - Red Blood Count

RBC - Risk Based Concentration

RBC - Rotating Biological Contractors

RBCA - Risk Based Corrective Action

RBE - Relative Biological Effectiveness

RBEL - Risk Based Exposure Limit

RBOB - RFG Blendstock for Oxygenate Blending

RBP - Rapid Bioassessment Protocol

RC - Radioactive Control

RC - Regional Coordinator

RC - Regional Counsel

RC - Remedial Construction

RC ® - Responsible Care ®

RC - Responsibility Center

RCA - Response Calibration Audit

RCC - Radiation Coordinating Council

RCC - Regional Citizens Committee

RCC - Resource Conservation Challenge

RCC - Resource Conservation Committee

RCC - Resource Conservation Committee

RCC - Resource Conservation Council

RCD - Resource Conservation District

RCDO - Regional Case Development Officer

RCE - Rotating Cylinder Electrodes

RCGAS - Recovery/Re-use of Compressed Gases

RCI - Residential Communities Initiative

RCO - Regenerative Catalytic Oxidizer

RCO - Regional Compliance Officer

RCO - Regional Contracting Officer

RCOC - Refined Contaminants of Concern

RCP - Regional Contingency Plan

RCP - Reinforced Concrete Pipe

RCP - Research Centers Program

RCP - Regional Contingency Plan

RCRA - Resource Conservation and Recovery Act (1976)

RCRC - Regional Cost Recovery Coordinator

RCRIS - Resource Conservation and Recovery Information System

RCS - Computer Timesharing Resource Control System

RCT - Radiological Control Technician

RCT - Reference Control Technology

RD - Ranger District

RD - Registration Division

RD - Remedial Design

RD - Reporting District

R&D - Research and Development

RDB - Regulatory Development Branch

RD&D - Research, Development and Demonstration

RDDR - Regional Deposited Dose Ratio

RDDR(ER) - Regional Deposited Dose Ratio Extrarespiratory Effect

RDDR(ET) - Regional Deposited Dose Ratio Extrathoracic Region

RDDR(PU) - Regional Deposited Dose Ratio Pulmonary Region

RDDR(TB) - Regional Deposited Dose Ratio Tracheobronchial Region

RDDR(TH) - Regional Deposited Dose Ratio Thoracic Region

RDDR(Total) - Regional Deposited Dose Ratio Total Respiratory Tract

RDDT&E - Research, Development, Demonstration, Testing and Evaluation

RDF - Refuse-Derived Fuel

RDL - Reliable Detection Limit (Level)

RDM - Relocation Design Memorandum

RDNA - Recombinant DNA

RD/RA - Remedial Design/Remedial Action

RDS_HWDMS - National Hazardous Waste Data Management Systems

RDT - Regional Decision Team

RDT&E - Research, Development, Testing and Evaluation

RDU - Regional Decision Unit

RDV - Reference Dose Values

RDX - Cyclotrimethylenetrinitramine

RDX - Trinitrotrimethylenetriamine

RE - Real Estate

RE - Reasonable Efforts

RE - Removal Efficiency

RE - Reportable Event

REA - Registered Environmental Assessor

REACH - Registration, Evaluation, and Authorization of Chemicals

READ - Regulatory and Economics Division

REAG - Reproductive Effects Assessment Group

REAP - Regional Enforcement Activities Plan

REAS - Regional Enforcement and Superfund System

REC - Recreation

REC - Recognized Environmental Condition

REC - Regional Enforcement Counsel

REC - Regional Emergency Coordinator

REC - Regional Environmental Center for Central and Eastern Europe

REC - Renewable Energy Certificate

RECALLDB - Recall Data Base

RECEIV-I - I Receiving Water Model

RECLAIM - Regional Clean Air Initiatives Marker

RED - RCRA Enforcement Division

RED - Regional Economic Development

RED - Reregistration Eligibility Decision Document

REDA - Recycling Economic Development Advocate

REDM - Real Estate Design Memorandum

REE - Rare Earth Elements

REE - Research, Education and Economics

REEP - Reasonable Extra Efforts Program

REEP - Review of Environmental Effects of Pollutants

REF - Reference

ReFIT - Reinvention for Innovative Technologies

REFS - Reference Files System

Reg - Regulation

Reg - Regulatory

REG NEG - Negotiating Rulemaking

REHS - Registered Environmental Health Specialist

REI - Restricted Entry Interval

REIT - Research Triangle Park Reiter Maze System

REL - Recommended Exposure Limit

REL - Relocate

REM - Registered Environmental Manager

REM - Remove from the Population

REM - Roentgen Equivalent

REM/FIT - Remedial/Field Investigation Team

REMARC - Resource Entry, Management, Accountability and Reporting for Contracts

REMIS - Real Estate Management Information System

REMM - Riparian Ecosystem Management Model

REMS - RCRA Enforcement Management System

RENEW - Resource Exchange and Network for Eliminating Waste

REP - Reasonable Efforts Program

REPA - Registered Environmental Property Assessor

REPAC - RCRA Enforcement Permitting and Assistance Contract

REPAIRS - REPA Information and Reporting System

REPLO - Regional Emergency Preparedness Liaison Officer

REPR - Real Estate Planning Report

REPRISK - High Level Radioactive Waste-Repository Risk Model

REPS - Regional Emissions Projection System

RES - Real estate Supplement

RESL - Radiological and Environmental Sciences Laboratory

RESOLVE - Center for Environmental Conflict Resolution

RETEAs - Real Estate Transfer Environmental Assessments

REXS - Report on Executive Staffing

RF - Radio Frequency

RF - Response Factor

RF1 - Reach File Version 1

RF2 - Reach File Version 2

RF3-Alpha - Reach File Version 3 - Alpha

RFA - RCRA Facility Assessment

RFA - Regional Facility Assessments

RFA - Regulatory Flexibility Act

RFA - Regulatory Flexibility Analysis

RFA - Remedial Facility Assessment

RFA - Request for Assistance

RFB - Request for Bid

RFC - Inhalation Reference Concentration

RfC - Reference Concentration

RFC - Request for Comments

RFD - Reasonable Foreseeable Development

RfD - Reference Dose

RFD - Reference Dose Values

RfDc - Chronic Reference Dose

RfDdt - Developmental Reference Dose

RfDs - Subchronic Reference Dose

RFETS - Rocky Flats Environmental Technology Site

RFG - Reformulated Gasoline

RFI - Radio Frequency Interference

RFI - RCRA Facility Investigation

RFI - Regional Facility Investigations

RFI - Remedial Field Investigation

RFI - Request for Information

RFID - Radio Frequency Identification

RFITO - Regional Field Investigation Team Office

RFP - Reasonable Further Progress

RFP - Request for Proposal

RFP - Rocky Flats Plant

RFQ - Request for Quotation

RFQ - Request for Quote

RG - Registered Geologist

RgD - Regulatory Dose

RGDR - Regional Gas Dose Ratio

RGDR(ET) - Regional Gas Dose Ratio Extrathoracic Region

RGDR(PU) - Regional Gas Dose Ratio Pulmonary Region

RGDR(TB) - Regional Gas Dose Ratio Tracheobronchial Region

RGDR(TH) - Regional Gas Dose Ratio Thoracic Region

RGDR(Total) - Regional Gas Dose Ratio Total Respiratory Tract

RGF - Recirculating Gravel Filter

RGICS - Region 7 Version of Region 5 Grants Information and Control System

RGN - Reactivity Group Number

RGP - Regional General Permit

RGS - Research Grants Staff

RH - Remote Handled

R/h - Roentgen per Hour

R&H - River and Harbor

RHA - Rivers and Harbors Act

RHC - Reactive Hydrocarbons

RHCMM - Registered Hazardous Chemicals Materials Manager

RHRS - Revised Hazard Ranking System

RHW - Restricted Hazardous Waste

RI - Reconnaissance Inspection

RI - Remedial Investigation

RIA - Regional Impact Analysis

RIA - Regulatory Impact Analysis

RIA - Regulatory Impact Analysis Facility Profile

RIA - Regulatory Impact Assessment

RIC - Radon Information Center

RIC - RCRA Docket Information Center

RIC - Research Triangle Park Information Center

RICC - Retirement Information and Counseling Center

RICE - Reciprocating Internal Combustion Engines

RICO - Racketeer Influenced and Corrupt Organizations Act

RID - Regulatory Integration Division

RIDS - Response Information Data Sheet

RIF - Reduction in Force

RI/FS - Remedial Investigation/Feasibility Study

RIH - Registered Industrial Hygienist

RILS - Regulatory Interpretation Letters

RIM - Regional Implementation Manual

RIM - Regulatory Interpretation Memorandum

RIMD - Regulation and Information Management Division

RIMS - Remediation Information Management System

RIN - Regulatory Identifier Number

RIP - RCRA Implementation Plan

RIO - Region Initiated Order

RIP - RCRA Implementation Plan

RIS - RCRA Implementation Study

RIS - Regulatory Innovations Staff

RISC - Regional Interagency Steering Committee

RISC - Regulatory Information Service Center

RITA - Relocation Income Tax Allowance

RITZ - Regulatory and Investigative Treatment Zone Model

RIVM - Netherlands National Institute of Public Health and the Environment

RJE - Remote Job Entry

RJS - Reverse Jet Scrubber

RKS - Rotary Kiln Incineration System

RLAB - Region 4 Labels System

RLBPHRA - Residential Lead Based Paint Hazard Reduction Act

RLEAD - Thermal Recovery of Lead in Secondary Lead Smelters

RLIBY - A Database of Pollution Prevention Articles Maintained by the Waste reduction Resource Center

RLL - Rapid and Large Leakage (Rate)

RLO - Records Liaison Officer

RLS - Release On-Site

RM - Reference Method

RM - Regional Manager

RM - Risk Management

RMA - Radiological Material Area

RMA - Rubber Manufacturers Association

RMA - Rubber Modified Material

RMAN - Recovered Materials Advisory Notice

RMAO - Resources Management and administrative Office

RMCL - Recommended Maximum Contaminant Levels (this phrase is being discontinued in favor of "MCLG")

RMD - Risk Management Division

RMDHS - Regional Model Data Handling System

RMDS - Resource management Directives System

RME - Reasonable Maximum Exposure

RMERC - Retorting or Roasting of Mercury in Thermal Processing Units

RMETL - Recovery of Metals or Inorganics

RMI - Repetitive Motion Injury

RMIS - Resources Management Information System

RMIS/BAR - Resources Management Information System/Budget Analysis System

RML - Radiation Measurements Laboratory

RMO - Records Management Officer

RMO - Resource Management Office

RMP - Radon/Radon Progeny Measurement Proficiency Program

RMP - Regional Monitoring Program

RMP - Resource management Plan

RMP - Risk Management Plan

RMP - Risk Management Program

RMPP - Risk Management Prevention Plans

RMPP - Risk Management and Prevention Program

RMRS - Rocky Mountain Remediation Services

RMS - Radon Measurement Specialist

RMS - Region 10 Resource Management System

RMS - Resident Management System

RMS - Resource Management Staff

RMS - Roadway Management System

RMS - Root Mean Square

RMW - Radioactive Mixed Waste

RNA - Rapid Needs Assistance (Team)

RNA - Ribonucleic Acid

RO - Radioactive Only

RO - Records Officer

RO - Regional Office

RO - Responsible Official

RO - Reverse Osmosis

RO - Right of Way

ROADCHEM - Roadway Version that Includes Chemical Reactions of Bl, NO2 and O3

ROADWAY - A model to predict pollutant concentrations near a roadway

ROC - Record of Communication

ROC - Regional Operations Center

ROC - Required Operating Capability

ROD - Record of Decision

RODS - Records of Decision System

ROG - Reactive Organic Gases

ROH - Registered Occupational Hygienist

ROHT - Registered Occupational Hygiene Technologist

ROI - Region of Influence

ROICC - Resident Officer in Charge of Construction

ROLLBACK - A Proportional Reduction Model

ROM - Range of Motion

ROM - Read Only Memory

ROM - Reduction of Organic Matter

ROM - Regional Oxidant Model

ROM - Rough Order Magnitude

ROMCOE - Rocky Mountain Center on Environment

RON - Research Octane Number

RON - Rest Overnight

ROP - Rate of Progress

ROP - Regional Operating Plan

ROP - Regional Oversight Policy

ROPA - Record of Procurement Action

RoPC - Radionuclide of Potential Concern

ROPME - Regional Organization for the Protection of the Marine Environment

ROPS - Roll Over Protective Structure

ROP SIP - Rate of Progress State Implementation Plan

RORGS - Recovery of Organics

ROS - Recreation Opportunity Spectrum

ROSA - Regional Ozone Study Area

ROSE - Remote Optical Sensing of Emissions

ROSES - Residual Organic Stack Emissions

ROV - Report of Violation

ROW - Right of Way

ROWA - Regional Office for West Asia

RP - Radon Progeny Integrated Sampling

RP - Reduced Pressure Principle Backflow Prevention Assembly

RP - Reporting Party

RP - Respirable Particulates

RP - Responsible Party

RPAR - Rebuttal Presumption Against Registration

RPD - Regulatory Policy Division

RPD - Relative Percent Difference

RPE - Range of Perceived Exertion

RPE - Registered Professional Engineer

RPF - Relative Potency factor

RPG - Radiation Protection Group

RPIH - Registered Professional Industrial Hygienist

RPIO - Responsible Planning and Implementation Officer

RPI/RPR - Responsible Party Investigation/Responsible Party Remediation

RPM - Reactive Plume Model

RPM - Regional Project Manager

RPM - Remedial Project Manager

RPM - Revolutions per Minute

RPO - Regional Planning Officer

RPO - Regional Program Officer

RPO - Regional Project Officer

RPS - Remedial Planning Staff

RRP - Resource Recovery Project

RPR - Responsible Party Remediation

RPT - Relative Potential Toxicity

RPTA - Responsible Property Transfer Act

RPTS - Regional Priority Tracking System

RQ - Reportable Quantity(s)

RQCAR - Reportable Quantities for Carcinogens in Hazardous Waste

RQG - Reduced Quantity Generator

RQL - Reliable Quantitation Level

RQMP - Regional Quality Management Plans

RQTOX - Reportable Quantities for Chronically Toxic Hazardous Substances

RR - Relative Risk

R&R - Report and Recommendations to Cabinet

R&R - Roles and Responsibilities

RRAD - Respiratory Related Restricted Active Day

RRC - Reconnaissance Review Conference

RRC - Regional Response Center

RRC - Texas Railroad Commission

RRCC - Regional Response Coordination Center

RREL - Risk Reduction Engineering Laboratory

RRF - Relative Response Factor

RRI - Regulatory Reform Initiative

RRO - Regional Records Officer

RRP - Regional Response Plan

RRPT - Registered Radiation Protection Technologist

RRR - Readiness, Response and Recovery

RRR - Reduce, Reuse, Recycle

RRR - Risk Reduction Rules

RRS - Regulatory Reform Staff

RRS - Risk Reduction Standards

RRT - Regional Response Team

RRT - Relative Retention Time

RRT - Requirements Reference Table

RRT - Requisite Remedial Technology

RS - Registered Sanitarian

RS - Registration Standard

RS - Responsiveness Survey

RSA - Radiological Storage Area

RSAT - Rapid Stream Assessment Technique

RSC - Relative Source Contribution

RSCC - Regional Sample Control Center

RSCRC - Regional Superfund Community Relations Center

RSD - Reflex Sympathetic Dystrophy

RSD - Relative Standard Deviation

RSD - Risk Specific Dose

RSE - Removal Site Evaluation

RSF - RWMC Storage Facility

RSI - Repetitive Strain Injury

RSKERL - Robert S. Kerr Environmental Research Laboratory

RSMD - Resource Systems Management Division

RSMS - Requirement Statement Management System Conference

RSO - Radiation Safety Officer

RSPA - Research and Special Programs Administration

RSPA-OHM - Research and Special Programs Administrations Office of Hazardous Materials Safety

RSPA-OPS - Research and Special Programs Administrations Office of Pipeline Safety

RSPM - Regional Site Project Manager

RSPO - Regional Site Project Officer

RSS - Jordan Royal Scientific Society

RSS - Regional Services Staff

RSSC - Real Estate Systems Support Cent

RSSC - Recycled Shielded Storage Container

RSSF - Radioactive Sodium Storage Facility

RSWF - Radioactive Scrap and Waste Facility

RT - Regional Total

RT - Retention Time

RTA - Refractory Toxicity Assessment

RTC - Regional Transportation Committee

RTCM - Reasonable Transportation Control Measure

RTD - Return to Duty

RTDF - Remediation Technologies Development Forum

RTDM - Rough Terrain Diffusion Model

RTDMDEP - Rough Terrain Diffusion Model Deposition

RTECS - Registry of Toxic Effects of Chemical Substances

RTEL - Research Triangle Park FTS Telephone System

RTF - Remote Treatment Facility

RTHRM - Thermal Recovery of Metals or Inorganics from Non-Wastewaters in Industrial Furnaces

RTICS - Superfund Regional Toxics Integration Coordinators

RTK - Right-to-Know

RTKNET - Right-to-Know Network

RTLP - Army Range and Training Land Program

RTM - Regional Transport Model

RTM - Requirements Traceable Matrix

RTO - Regenerative Thermal Oxidizer

RTP - Regional transportation Model

RTP - Research Triangle Park, North Carolina

RTP - Right to Participate

RTR - Real Time Radiography

RTR - Right to Refuse

RTRP - Remedial Technology Review Program

RTS - Regulation Tracking System

RTS - Removal Tracking System

RU - Remediation Unit

RUC - Restricted Use Classification

RUL - Resource Unit Leader

RUP - Research Utilization Plan

RUP - Restricted Use Pesticide

RUPOC - Regulated Unit Point of Compliance

RUSLE - Revised Universal Soil Loss Equation

RUSWMTF - Regional Urban Stormwater Management Task Force

RV - Recreational Vehicle

RV - Relief Valve

RV - Residual Volume

RVCM - Residual Vinyl Chloride Monomer

RVD - Relief Valve Discharge

RVP - Reid Vapor Pressure

RWA - Radiation Work Authorization

RWA - Receiving Water Assessment

RWAP - Radioactive Waste acceptance Program

RWC - Receiving Water Concentration

RWC - Residential Wood Combustion

RWCA - Radiation Waste Collection Area

RWCD - Residential Wood Combustion Devices

RWMC - Radioactive Waste Management Complex

RWMIS - Radioactive Waste Management Information System

RWP - Radiological Work Permit

RWQCB - Regional Water Quality Control Board (California)

RWS - Rural Water Survey

RX75 - Region 10 Laboratory Management System

RZ - Recovery Zone

RZINC - Recovery of Zinc in High Temperature Meta Units

S

S - Safety

S - Scrubber

S - Sulfur

s - Second

SA - Secretary of the Army

SA - Self Assessment

SA - Special Assistant

SA - Sunshine Act

SA - Surface Area

S&A - Sampling and Analysis

S&A - Supervision and Administration

S&A - Surveillance and Analysis

SAA - Satellite Accumulation Area

SAA - South Atlantic Area

SAAMS - Region 4 Sample Analyses and Management System

SAAR - Secretarys After Action Report

SAAR - Supervisor Accident Analysis Report

SAB - Same as Above

SAB - Science Advisory Board

SAC - Secretarial Advisory Committee

SAC - Senate appropriations Committee

SAC - Special Agent in Charge

SAC - Starved Air Combustion

SAC - Support Agency Coordinator

SAC - Suspended and Canceled Pesticides

SACCR - Schedule and Cost Change Request

SACEP - South Asia Environmental Cooperative Program

SACM - Superfund Accelerated Cleanup Model

SAD - Research Triangle Park Acid Rain System

SAD - Safety Analysis Document

SAD - South Atlantic Division

SADAA - Science Advisor to the Deputy Assistant Administrator

SADBU - Small and Disadvantaged Business Utilization

SADC - South African Development Community

SADC-ELMS - Environment and Land Management Sector of SADC
SADT - Self-Accelerating Decomposition Temperature

SAE - Society of Automotive Engineers

SA(ET) - Surface Area Extrathoracic Region

SAEWG - Standing Air Emissions Work Group

SAF - Safety Approval Form

SAF - Society of American Foresters

SAFC - Southern Appalachian Forest Coalition

SAFER - Streamlined Approach for Environmental Restoration

SAFETEA - Safe, Accountable, Flexible, and efficient Transportation Act

SAGE - Solvent Alternative Guide

SAGE - Strategic Advisory Group on Environment

SAI - Soil/Air Ingestion Standard

SAIC - Special-Agents-In-Charge

SAI-Ind - Soil/Air Ingestion Standard for Industrial Use

SAIMM - Prognostic Meteorological Model

SAIP - Systems Acquisition and Implementation Program

SAI-Res - Soil/Air Ingestion Standard for Residential Use

SALEMDUG - State and Local Emergency Management Data Users Group

SAMA - Scientific Apparatus Makers Association

SAMAC - Standing AIRS Management Advisory Committee

SAMAB - Southern Appalachian Man and Biosphere Program

SAME - Society of American Military Engineers

SAMI - Southern Appalachian Mountains Initiative

SAMIS - Safety Management Information Statistics Database

SAMP - Special Area Management Plan

SAMSON - Solar and Meteorological Surface Observation Network

SAMWG - Standing Air Monitoring Work Group

SAN - Styrene Acrylonitrile

SANE - Sulfur and Nitrogen Emissions

SANSS - Structure and Nomenclature Search System

SAP - Indeterminate

SAP - Sampling and Analysis Plan

SAP - Scientific Advisory Panel

SAP - Serum Alkaline Phosphatase

SAP - Special Access Program

SA(PU) - Surface Area Pulmonary Region

SAR - Safety Analysis Report

SAR - Search and Rescue

SAR - Share a Ride

SAR - Sodium Adsorption Ratio

SAR - Special Allowance Reserve

SAR - Specific Absorption Rate

SAR - Start Action Request

SAR - Structure-Activity Relationship (of a qualitative assessment)

SAR - Supplied Air Respirator

SAR - Synthetic Aperture Radar

SARA - Superfund Amendments and Reauthorization Act (1986) (also known as the Emergency Planning and Community Right-to-Know Act of 1986 - EPCRA)

SARDA - Secretary of the Army, Research, Development and Acquisitions

SARDC - Southern Africa Research and Documentation Center

SARM - Standard Analytical Reference Material

SAROAD - Storage and Retrieval of Aerometric Data

SAS - Special Analytical Services

SAS - Statistical Analysis System

SASD - Strategies and Air Standards Division

SASS - Source Assessment Sampling System

SASP - State Airport System Plan

SASW - Spectral Analysis of Surface Waves

SATA - Site Assessment and Technical assistance

SA(TB) - Surface Area Tracheobronchial Region

SA(TH) - Surface Area Thoracic Region

SATO - Scheduled Airline Traffic Office

SA(Total) - Surface Area Total Respiratory Region

SAV - Secondary Acute Value

SAV - Site Assessment Visit

SAV - Staff Assistant Visit

SAV - Submerged Aquatic Vegetation

SAVR - Schlumberger Assisted Vapor Recovery

SB - Secondary Basin

SB - Senate Bill

SB - Statement of Basis

SB - Statutory Baseline

Sb - Antimony

SBA - Small Business Act

SBA - Small Business Administration

SBA - Smart Border Alliance

SBAP - Small Business Assistance Program

SBAR - Small Business Advocacy Review Panel

SBC - Single Breath Canister

SBCC - Southern Building Code Congress

SBDC - Small Business Development Center

SBE - State Board of Education

SBH - Small Boat Harbor

SBI - Special Background Investigation

SBLT - Sequential Batch Leach Test

SBO - Senior Budget Officer

SBO - Small Business Ombudsman

SBR - Styrene Butadiene Rubber

SBREFA - Small Business Regulatory Enforcement Fairness Act

SBRP - Superfund Basic Research Program

SBS - Sick Building Syndrome

SBSA - Small Business Set Aside

SBTAP - Small Business Technical Assistance Program

SBU - Sensitive but Unclassified

SC - Safety Coordinator

SC - Section Chief

SC - Sierra Club

SC - Soil Conductivity

SC - Steering Committee

SCA - Secured Creditor Assessment

SCA - Soil Conservation Area

SCA - Specific Collection Area

SCA - State Cooperative Agreement

SCAB - South Coast Air Basin

SCAC - Support Careers Advisory Committee

SCADS - Superfund Chemical Analysis Data System

SCAP - Superfund Comprehensive Accomplishments Plan

SCAPS - Site Characterization and Analysis Penetrometer System

SCAQMD - South Coast Air Quality Management District

SCAR - Scientific Committee on Antarctic Research

SCBA - Self-Contained Breathing Apparatus

SCC - Source Category Code

SCC - Source Classification Code

SCC - Secondary Combustion Chamber

SCC - Secretarys Command Center

SCC - State Coastal Conservancy

SCC - Supreme Court of Canada

sccm - Standard Cubic Centimeters per minute

SCD - Soil Conservation District

SCD/SWCD - Soil or Soil and Water Conservation District

SCDM - Superfund Chemical Data Matrix

SCE - Sister-Chromatid Exchange

SCE - State of the Canadian Environment

SCERP - Southwest Consortium on Environmental Research and Planning

scf - Standard Cubic Feet

scfm - Standard Cubic Feet per Minute

SCI - Sensitive Compartmented Information

SCIF - Sensitive Compartmented Information Facility

SCIGROW - Screening Concentration in Groundwater

SCL - Secondary Constituent Level

SCLDF - Sierra Club Legal Defense Fund

SCMPRA - Surface Coal Mining, Preparation, and Reclamation Activity

SCMPRO - Surface Coal Mining, Preparation, and Reclamation Operator

SCO - State Coordinating Officer

SCO - Surface Contaminated Object

SCOPE - Scientific Committee on Problems of the Environment

SCOR - Scientific Committee on Ocean Research

SCORE - Small Community Outreach and Education

SCORP - State Comprehensive Outdoor Recreation Plan

SCORPIO - Subject Content Oriented Retriever for Processing Information On-Line

SCP - State Contingency Plan

SCR - Selective Catalytic Reduction

SCRAM - State Consolidated RCRA Authorization Manual

SCRAM - Support Center for Regulatory Air Models

SCRAM/BBS - Support Center for Regulatory Air Models (Bulletin Board System)

SCRB - Separable Costs-Remaining Benefits

SCRC - Superfund Community Relations Coordinator

SCRP - Superfund Community Relations Program

SCS - Secondary Containment System

SCS - Soil Conservation Service

SCS - Superfund Community Relations Program

SCS - Supplementary Control Strategy (System)

SCSA - Soil Conservation Society of America

SCSP - Storm and Combined Sewer Program

SCT - Spectrum Control Technology

SCTL - Spinal Compression Tolerance Limits

SCU - Subcutaneous

SCUREF - South Carolina University Research and Education Foundation

SCV - Secondary Chronic Values

SCV - Sterilization Chamber Vent

SCW - Supercritical Water Oxidation

SCWO - Supercritical Water Oxidation

SD - Senate Document

SD - Spray Dryer

SD - Standard Deviation

SD - Storm Drain

S&D - Study and Development

SDA - Subsurface Disposal Area

SDB - Small and Disadvantaged Business

SDBE - Small and Disadvantaged Business Enterprise

SDBUS - Small and Disadvantaged Utilization Specialist

SDC - Settlement Decision Committee

SDC - State Data Centers

SDC - Systems Decision Plan

sdcm - Standard Dry Cubic Meter

SDG - Sample Delivery Group

SDI - Selective Dissemination of Information

SDI - Subchronic Daily Intake

SDR - Service Difficulty Report

SDR - Standard Dimension Ratio

SDRP - State Development and Redevelopment Plan

SDS - Shutdown System

SDTF - Spray Drift Task Force

SDWA - Safe Drinking Water Act (as amended in 1986)

SDWIS - Safe Drinking Water Information System

SDWIS(WS) - Safe Drinking Water Information System (Water System)

SDWIS(WSF) - Safe Drinking Water Information System (Water System Facility)

SE - Standard Error

Se - Selenium

S&E - Salaries and Expenses

SEA - Science and Engineering Associates

SEA - Securities Exchange Act

SEA - State Enforcement Agreement

SEA - State/EPA Agreement

SEAM - Superfund Exposure Assessment Manual

SEAM - Surface, Environment and Mining

SEAPPM - Safety and Environmental Administrative Policy and Procedures

SEAR - Surfactant Enhanced Aquifer Remediation

SEAS - Strategic Environmental Assessment System

SEB - Source Evaluation Board

SEC - Securities and Exchange Commission

SEC - Senior Enforcement Counsel

sec - Second

SECRAMP - Secretarys Remedial Action Management Program

SED - Site Emergency Director

SED3D - Three dimensional Numerical Model of Hydrodynamics and sediment Transport in Lakes and Estuaries

SEDD - Staged Electronic Data Delivery

SEDM - State/EPA Data Management

SEDS - State Energy Data System

SEE - Senior Environmental Employment

SEEN - Southern Environmental Enforcement Network

SEER - Surveillance Epidemiology and End Results

SEF - Safe Enrichment Factor

SEGIP - State Environmental Goals and Improvement Project

SEI - Safety Equipment Institute

SEI - Stockholm Environment Institute

SEIA - Socioeconomic Impact Analysis

SEIS - Supplemental Environmental Impact Statement

SEM - Scanning Electron Microscope

SEM - Simultaneously Extracted Metals

SEM - Standard Error of the Means

SEM - Strategic Environmental Management

SENTRI - Secure Electronic Network for Travelers Rapid Inspection

SEP - Special Emphasis Program

SEP - Standard Engineering Practice

SEP - Standard Evaluation Procedures

SEP - Supplemental Environmental Project

S&EP - Safety and Environmental Protection

SEPA - China State Environment Protection Administration

SEPWC - Senate Environment and Public Works Committee

SER - Small Entity Representative

SER - Society for Epidemiologic Research

SER - Steam Enhanced Remediation

SERC - State Emergency Response Commission

SERDP - Strategic Environmental Research and Development Program

SERF - Systems Enhanced Request Form

SERP - State Employee Recycle Program

SERP - Super Efficient Refrigerator Program

SERS - Senior Executive Service and Executive Resources Staff

SERT - Secretarys Emergency Response Team

SES - Secondary Emissions Standard

SES - Senior Executive Service

SES - Shared Energy Savings

SES - Socioeconomic Status

SET - Site Evaluation Tool

SET - Standard Elutriate Test

SETAC - Society for Environmental Toxicology and Chemistry

SETRAF - Safety of Enclosures for Toxics using Recirculating Air Filtration

SETS - Site Enforcement Tracking System

SETS - Superfund Enforcement Tracking System

SF - Safety Factor

SF - Slope Factor

SF - Standard Form

SF - Superfund

SF-52 - Personnel Management Tracking System

SFA - Spectral Flame Analyzers

SFB - San Francisco Bay

SFDS - Sanitary Facility Data System

SFEI - San Francisco Estuary Institute

SFEP - San Francisco Estuary Project

SFFAS - Superfund Financial Assessment System

SFIP - Sector Facility Indexing Project

SFIREG - State FIFRA Issues Research and Evaluation Group

SFLEO - Senior Federal Law Enforcement Official

SFM - Summary of Findings Memorandum

SFO - Senior Federal Official

SFO - Servicing Finance Office

SFO - Support for Others

SFS - State Funding Study

SFS - Supplemental Feasibility Study

SGI - Safeguards Information

SGL - Standard General Ledger

SGL - Static Groundwater Level

SGMP - Structures Gas Monitoring Plan

SGOT - Serum Glutamic-Oxaloacetic Transaminase

SGOT - Serum Glutamic-Pyruvic Transaminase

SGT-HEM - Silica Gel Treated N-Hexane Extractable Waste

SGWZ - Second Groundwater Zone

Sh - Surface Area

SHEM - Safety, Health and Environmental Management

SHEP - Safety, Health and Environmental Program

Sh(ET) - Surface Area Extrathotacic Region

Sh(TB) - Surface Area Tracheobronchial Region

Sh(TH) - Surface Area Thoracic Region

Sh(PU) - Surface Area Pulmonary Region

Sh(Total) - Surface Area Total Respiratory Region

SHORTZ - Short Term Terrain Model

SHPO - State Historic Preservation Officer

SHSC - Site Health and Safety Coordinator

SHWL - Seasonal High Water Level

SHR - Standardized Hospitalization Ratio

SI - International System of Units

SI - Site Investigation/Inspection

SI - Spark Ignition

SI - Surface Impoundment

SI - Surveillance Index

SI - Surveillance Unit

S&I - Supervision and Inspection

SIBAC - Simplified Intragovernmental Billing and Collection System

SIC - Standard Industrial Classification Code

SICEA - Steel Industry Compliance Extension Act

SI/CS - Site Investigation/Confirmation Study

SID - Supplementary Information Document

SIDS - Screening Information Data Sets

SIEF - Substances Information Exchange Forum

SIEFA - Source Inventory Emission Factor Analysis

SIF - Source Investigation Form

SIM - Selected Ion Monitoring

SIMS - Secondary Ion-Mass Spectrometry

SIN - Self-Implementation Notice

SIOC - Strategic Information and Operations Center

SIP - Site Inspection Prioritization

SIP - State Implementation Plan

SIP - State Improvement Plan

SIRMO - Senior Information Resources Management Officer

SIS - Safety Instrumented Systems

SIS - Science Integration Staff

SIS - Secretarial Information System

SIS - Source Investigation System

SIS - Specialized Information System

SIS - Stat in School

SISNOSE - Significant Economic Impact on Substantial Number of Small Entities

SITE - Superfund Innovative Technology Evaluation Program

SITE - Superfund Integrated Technologies Evaluation

SITREP - Situation Report

SITS - Site Investigation Tracking System

SIU - Significant Industrial User

SKIM - Spill Clean-up Inventory System

SKN - Administration Onto Skin

SL - Sick Leave

SL - Swedish Line

SLA - Service Level Agreement

SLAC - Stanford Linear Accelerator Center

SLAMM - Source Loading and Management Model

SLAMS - State/Local Air Monitoring Station

SLANG - Selected Letter and abbreviated Name Guide

SLAPS - St. Louis Air Pollution Study

SLC - Senior Leaders Conference

SLC - State Lands Commission

SLD - Solid

SLD - Special Litigation Division

SLER - Soil and Liner Evaluation Report

SLERA - Screening Level Ecological Risk Assessment

SLIAC - State Legislation Impact Assistance

SLIN - Sub-Line Item Number

SLN - Special Local Need

SLPD - State and Local Planning Division

slpm - Standard Liters per Minute

SLQCP - Soils and Liner Quality Control Plan

SLS - Superfund Label System

SLSM - Simple Line Source Model

SM - Study Manager

SMACNA - Sheet Metal and Air Conditioning Contractors Association

SMART - Simple Maintenance of ARTS

SMAV - Species Mean Acute Value

SMAWG - Superfund Medical Assistance Work Group

SMB - Secretarys Morning Briefing

SMC - Semi-Mature Compost

SMC - Specific Manufacturing Capability

SMCL - Secondary Maximum Contaminant Level

SMCRA - Surface Mining Control and Reclamation Act (1977)

SMCV - Species Mean Chronic Value

SME - Saturated Media Extract

SME - Subject Matter Expert

SMEs - Small and Medium Size Enterprises

SMF - Standardized Monitoring Framework

SM/HD - Survey Meter and Historical Dosimetry Data Base

SML - Solicitation's Mailing List

SMMP - Safe Mercury Management Program

SMO - Sample Management Office

SMOA - Superfund Memorandum of Agreement

SMP - Site Management Plan

SMP - State Management Plan

SMPS - Sympathetically Maintained Pain Syndrome

SMR - Standardized Mortality Rate

SMS - Security Management Section

SMS - Standard Metropolitan Statistical Area

SMSA - Standard Metropolitan Statistical Area

SMT - Spill Management Team

SMT - Surface Mount Technology

SMZ - Streamside Management Zone

SN - Serial Number

Sn - Tin

SNA - System Network Architecture

SNA - System of National Accounts

SNAAQS - Secondary National Ambient Air Quality Standards

SNAP - Significant New Alternatives Policy

SNAP - Significant Noncompliance Action Program

SNARL - Suggested No Adverse Response Level

SNARLS - Suggested No Adverse Risk Levels

SNARS - Spill Notification and Response System

SNC - Significant Noncompliers

SNCR - Selective Noncatalytic Reduction

SNF - Spent Nuclear Fuel

SNL - Sandia National Laboratories

SNR - Schenectady Naval Reactors

SNRC - Senate Natural Resource Committee

SNUN - Significant New Use Notification

SNUR - Significant New Use Report

SNUR - Significant New Use Rule

SO - Security Officer

SO2 - Sulfur Dioxide

SOAH - State Office of Administrative Hearings

SOB - Statement of Benefits

SOC - Semivolatile Organic Compound

SOC - Soluble Organic Carbon

SOC - Synthetic Organic Chemical

SOCMA - Synthetic Organic Chemical Manufacturers Association

SOCMI - Synthetic Organic Chemicals Manufacturing Industry

SOE - State of the Environment

SOFC - Solid Oxide Fuel Cell

SOG - Standard Operating Guideline

SOIC - Senior Official of the Intelligence Community

SOIH - Stratospheric Ozone Information Hotline

SOILVENT - Soil Venting Model

SOL - Solicitation

SOL - Soluble

SOLV - Solvent

SOLV-DB - Solvent Database

SONREEL - American Bar Association, Section of Natural Resources, Energy, and Environmental Law

SOP - Site Operating Permit

SOP - Standard Operating Procedure

SOQ - Statement of Qualifications

SOR - Special Operating Requirements

SOR - Standard Oxygen Required

SOR - Standard Oxygen Transfer Rate

SORTST - Region 1 Source Test File

SOS - Scope of Studies

SOSG - Standard Operating Safety Guide

SOST - State-of-the-Art Control Technology

SOT - Society of Toxicologists

SOT - Summary of Offense Ticket

SOTDAT - Source Test Data

SOTE - Standard Oxygen Transfer Efficiency

SOTR - Standard Oxygen Transfer Rate

SOV - Single Occupancy Vehicle

SOW - Scope of Work

SOW - Statement of Work

SOx - Sulfur Oxides

SP - Self-Potential

SP - Spontaneous-Potential

SP - Staffing Plan

SPAD - Special Programs and Analysis Division

SPAR - Status of Permit Application Report

SPARROW - Spatially Referenced Regression on Watershed Attributes

SPATS - Small Purchase Automated Tracking System

SPC - Statistical Process Control

SPCB - Structural Pest Control Board

SPCC - Spill Prevention, Control and Countermeasure

SPCR - Spill Prevention and Response Plan

SPD - South Pacific Division

SPD - State Programs Division

SPDES - State Pollution Discharge Elimination System

SPE - Secondary Particulate Emissions

SPE - Single Point of Entry

SPE - Solid Phase Extraction

SPECS - Specifications

SPF - Standard Project Flood

SPF - Structured Programming Facility

SPFA - Steel Plate Fabricators Association

SPH - Standard Project Hurricane

SPHAM - Superfund Public Health Assessment Manual

SPHEM - Superfund Public Health Evaluation Manual

SPHI - Sludge Program Health Impacts

SPI - Strategic Planning Initiative

SPI - Society of the Plastics Industry

SPL - State Priority List

SPLMD - Soil-Pore Liquid Monitoring Device

SPLP - Synthetic Precipitation Leachate Procedure

SPM - Semi-Primitive Motorized

SPM - Significant Permit Modification

SPM - Special Purpose Monitoring

SPM - Suspended Particulate Matter

SPMB - Security and Property Management branch

SPME - Solid-Phase Micro-Extraction

SPMS - Special Purpose Monitoring Stations

SPMS - Strategic Planning and Management System

SPNM - Semi-Primitive Non Motorized

SPNSS - Standards of Performance for New Stationary Sources

SPO - Servicing Personnel Officers

SPO - Special Projects Office

SPO - State Project Officer

SPOC - Single Point of Contact

SPONT - Spontaneously

SPOTREP - Spot Report

SPR - Spill Response Plan

SPR - Strategic Petroleum Reserves

SPREP - South Pacific Regional Environmental Program

SPRO - Strategic Petroleum Reserve Project Office

SPRP - Spill Prevention Response Plan

SPS - Safety Plan System

SPS - Standard Procurement System

SPS - State Permit System

SPSCIF - Semi-Permanent Sensitive Compartmented Information Facility

SPSS - Statistical Package for the Social Sciences

SPTS - Small Purchase Tracking System

SPUR - Software Package for Unique Reports

SQAO - Region 5 Toxics Monitoring System

SQB - Small Quantity Burner

SQBE - Small Quantity Burner Exemption

SQC - Sediment quality Criteria

sq.cm. - Square Centimeters

SQG - Small Quantity Generator

SQHUW - Small Quantity Handler of Universal Waste

SQL - Sample Quantitation Limit

SR - Savannah River Operations Office

SR - Senate Report

SR - Senate Resolution

SR - Special Review

SR - Strontium

SRA - Screening Ranges Approach

SRA - Society for Risk Analysis

SRAP - Superfund Remedial Accomplishment Plan

SRC - Safety Review Committee

SRC - Solvent-Refined Coal

SRCB - State and Regional Coordinating Branch

SRDB - Source Ranking Data Base

SRE - Screening Risk Evaluation

SRE - System Removal Efficiency

SRF - Specific Resistance to Infiltration

SRF - State Revolving Fund

SRHPP - Supportive Regional Highway Planning Program

SRI - Stanford Research Institute

SRI - Supplemental Remedial Investigation

SRI/SFS - Supplemental Remedial Investigation and Feasibility Study

SRL - Soil Remediation Levels

SRM - Standard Reference Method/Material

SRMS - Site Response Management System

SRP - Scientific Review Panel

SRP - Seismic Reflection Profiling

SRP - Special Review Procedure

SRR - Second Round Review

SRR - Submission Review Record

SRT - Sludge Retention Time

SRT - Solids Retention Time

SRTS - Service Request Tracking System

SRU - Sulfur Recovery Unit

SRU - System Resource Unit

SS - Sanitary Sewer

SS - Settleable Solids

SS - Shift Supervisor

SS - Spray Saturator

SS - Superfund Surcharge

SS - Suspended Solids

S/S - Solidification/Stabilization

SSA - Sealed Source Authorization

SSA - Sole Source Aquifer

SSAC - Soil Site Assimilated Capacity

SSAN - Social Security Account Number

SAAP - Site Stabilization Accomplishments Plan

SSBO - State Small Business Ombudsman

SSC - Scientific Support Coordinator

SSC - State Superfund Contracts

SSC - Statistically Significant Change

SSC - Superconducting Super Collider Laboratory

SSC - Superfund State Contact

SSCD - Stationary Source Compliance Division

SSD - Standard Support Document

SSDA - Solvent Substitution Data System

SSDS - Subsurface Sewage Disposal System

SSE - Stationary Source Enforcement

SSEIS - Standard Support and Environmental Impact Statement

SSEIS - Stationary Source Emissions and Inventory System

SSERA - Site-Specific Ecological Risk Assessment

SSF - Species Sensitivity Factor

SSG - Soil Screening Guidance

SSHC - Standard Specifications for Highway Construction

SSHO - Site Safety Health Officer

SSI - Sensitive Security Information

SSI - Size Selective Inlet

SSID - Site Spill Identifier

SSIS - Store Stock Inventory/Accounting System

SSL - Secure Sockets Layer

SSL - Soil Screening Level

SSL - Suspended Sediment Load

SSM - Shallow Soil Mixing

SSMP - Start-up, Shutdown and Malfunction Plan

SSMS - Spark Source Mass Spectrometry

SSN - Social Security Number

SSO - Sahara and Sahel Observatory

SSO - Sanitary Sewer Overflow

SSO - Source Selection Official

SSO - Special Security Officer

SSO - Support Services Office

SSOC - Safe Sites of Colorado

SSP - Single Phosphate

SSP - Site Safety Plan

SSP - Specific Safety Procedure

SSRA - Site-Specific Risk Assessment

SSRP - Source Reduction Review Project

SSS - Security Support Staff

SSS - Strategic Studies Staff

SSS - Supplemental Stabilization Study

SSSADIR - Stationary Source Sampling and Analysis Directory

SSSD - Small Scale short Duration

SST - Supersonic Transport

SSTRP - Steam Stripping of Organics from Liquid Wastes

SSTS - Section Seven Tracking System

SSURGO - Soil Survey Geographic Database

SSURO - Stop Sale, Use and Removal Order

S&T - Science and Technology Directorate

STABL - Stabilization

Stage 1-DBPR - Stage 1 Disinfectants and Disinfection Byproducts Rule

STALAPCO - State and Local Air-Pollution Control Officials

STAPPA - State and Territorial Air Pollution Program Administration

STAR - Stability Array

STAR - Stability Wind Rose

STAR - State Acid Rain Projects

STARA - Studies on Toxicity Applicable to Risk Assessment

STARS - Strategic Targeting Activities Reporting System

STARS - Superfund Transactions Automated Retrieval System

START - Scientific and Technical Advisory and Response Team

START - Superfund Technical Assistance and Response Team

STATSGO - State Soil Geographic Database

STATUS - Region 4 Status of GSA Orders

STC - Short-Term Concentration

STC - Software Technology Center

S/TCAC - Scientific/Technical Careers Advisory Committee

STCC - Standard Transportation Commodity Code

STD - Short Term Disability

STDMS - Sample Tracking and Data Management System

STE - Secure Telephone Equipment

STEL - Short-Term Exposure Limit

STEM - Scanning Transmission-Electron Microscopy

STEP - Small Towns Environmental Program

STEP - Software Test and Evaluation Panel

STEPL - Spreadsheet Tool for Estimating Pollutant Load

STI - Scientific and Technical Information

STI - Steel Tank Institute

STIR - State-Tribal Implementation Rule

STLC - Soluble Threshold Limit Concentration

STLE - Society of Tribologists and Lubrication Engineers

Stmt. - Statement

STN - Scientific and Technical Information Network

STOCHEM - UK Meteorological Office of Global Three-Dimensional-Lagrangian

STOPAC - Stratospheric Ozone Protection Advisory Committee

STORAGE - Cincinnati Disk Storage Annual Report

STORET - Storage and Retrieval of Water-Related Data

STORM - Storage, Treatment, Overflow, Runoff Model

STP - Sewage Treatment Plant

STP - Standard Temperature and Pressure

STP - Surface Transportation Program

STTF - Small Town Task Force

STRI - Smithsonian Tropical Research Institute

STROLE - Superfund Enhanced State and Tribal Role Initiative

STS - Site Tracking System

STU - Secure Telephone Unit

SUAB - Suitable for Unconfined Aquatic Concentration

Sub - Subcontractor

SUBCLIN - Contract Sub-line Item Number

SubKr - subcontractor

SUD - Safe Use Determination

SUL - Situation Unit Leader

SULEV - Super Ultra Low Emission Vehicle

SUP - Standard Unit of Processing

SUPERFUND - Common designation for CERCLA - Comprehensive Environmental Response, Compensation and Liability Act

SuperJTI - Superfund Job Training Initiative

SUPSALV - Supervisor of Salvage and Diving

SUPTRK - Superfund Site Tracking Information System

SURE - Sulfate Regional Experiment Program

SUV - Sport Utility Vehicle

SV - Sampling Visit

SV - Significant Violator

SVAP - Stream Visual Assessment Protocol

SVD - Self Verifying Device

SVE - Society of Vector Ecologists

SVE - Soil Vapor Extraction

SVE - Soil Venting Extraction

SVI - Sludge Volume Index

SVM - Semi-Volatile Metals

SVOC - Semi-volatile Organic Chemical or Compound

SVTC - Secure Video Teleconference

SW - Slow Wave

SW - Solid Waste

SW - Standard Methods for Wastewater Analysis

SW-846 - Test Methods for Evaluating Solid Waste

SWA - Solid Waste Act

SWA - Solid Waste Administration

SWA - Source Water Assessment

SWAC - Solid Waste Advisory Council

SWAG - Simulated Waste Access to Groundwater

SWAMI - Strategic Waste Minimization Initiative

SWANA - Solid Waste Association of North America

SWANCC - Solid Waste Agency of Northern Cook County

SWAP - Source Water Assessment & Protection

SWAP - Source Water Assessment Program

SWAPP - Source Water Assessment & Protection Program

SWAQAT - Solid Waste Air Quality Tests

SWARF - Waste from Metal Grinding Process

SWAT - Soil and Water Assessment Tool

SWAT - Solid Waste Assessment Tests

SWB - Social well Being

SWB - Standard Waste Box

SWC - Settlement with Conditions

SWCD - Soil and Water Conservation District

SWCP - Soil and Water Conservation Plan

SWD - Southwestern Division

SWDA - Solid Waste Disposal Act

SWDC - Soil and Water Conservation District

SWDSCMA - Solid Waste Disposal Site Cleanup Management Account

SWE - Society of Women Engineers

SWEPP - Stored Waste Examination Piot Plant

SWERD - Solid Waste and Emergency Response Division

SWETS - Safe Water Enforcement Tracking

SWFHCRF - Special Waste from Health-Care Related Facilities

SWIE - Southern Waste Information Exchange

SWIS - Solid Waste Information System

SWLF - Solid Waste Landfill Disposal

SWM - Solid Waste Management

SWMB - State/Solid Waste Management Board

SWMM - Stormwater Management Model

SWMP - Stormwater Management Plan

SWMP - Stormwater Monitoring Program

SWMU - Solid Waste Management Unit

SWO - Senior Watch Officer

SWOs - Standing Work Orders

SWP - Safe Work Permit

SWP - Source Water Protection

SWP - Standard Work Practice

SWP - State Water Project

SWP3 - Stormwater Pollution Prevention Plan

SWPA - Source Water Protection Area

SWPCP - Stormwater Pollution Control Plan

SWPPP - Stormwater Pollution Prevention Plan

SWQM - Surface Water Quality Monitoring

SWQPPP - Source Water Quality Protection Partnership Petitions

SWQS - Surface Water Quality Standards

SWRCB - State Water Resources Control Board

SWTCP - Surface Water Toxic Controls Program

SWTR - Surface Water Treatment Rule

SW-846 - U.S. EPA Test Methods for Evaluating Solid Waste

SYS - System

SYSOP - System Operator
T

t - Tons

T3 - Triiodothyronine

T4 - Thyroxine

TA - Ambient Air Temperature

TA - Technical Assistance

TA - Travel Authorization

Ta - Tantalum

T & A - Time and Attendance

TA18 - Technical Area 18

TAB - Technical Assistance to Brownfields Communities

TABS - Texas Automated Buoy System

TAC - Texas Administrative Code

TAC - Total Allowable Catch

TAC - Toxic Air Contaminant

TACB - Texas Air Control Board

TACIS - Technical Assistance to the Commonwealth of Independent States

TACOM - US Army Tank-Automotive Command

TAD - Technical Assistance Document

TAES - Texas Agricultural Experiment Station

TAEX - Texas Agricultural Extension Service

TAFPD - Technical Assistance and Fraud Prevention Division

TAG - Technical Advisory Group

TAG - Technical Assistance Grant(s)

TAGA - Trace Atmospheric Gas Analyzer

TAHPA - Texas Alliance of Groundwater Districts

TAIS - Telecommunications and Automated Information Systems

TAL - Target Analyte List

TALMS - Tunable Atomic Line Molecular Spectroscopy

TAMPER - Anti-tampering and Fuel Switching Information System

TAMS - Toxic Air Monitoring System

TAMSAC - Toxic Air Monitoring System Advisory Committee

TAO - TSCA Assistance Office

TAP - Technical Assistance Program

TAPDS - Toxic Air Pollutant Data System

TAPP - Time and Attendance, Personnel, Payroll

TAPPI - Technical Association of the Pulp and Paper Industry

TAQ - Transportation Air Quality

TAQP - Transportation Air Quality Planning

TAQT - Transportation and air Quality Technical Working Group

TAR - Technical Amendment to the Regulation

TAR - Toxics Along for the Ride

TARGETS - Tool to Assess Regional and Global Environmental and Health Targets for Sustainability

TAS - Terminal Access System

TAS - Tolerance Assessment System

TASN - Texas Air Sampling Network

TAT - Technical Assistance Team

TATL - Technical Assistance Team Leader

TB - Traecheobronchial Region

TB - Tuberculosis

Tb - Terbium

TBA - Tertiary Butyl Alcohol

TBA - To be Announced

TBC - "To Be Considered"

TBD - Technical Background Document

TBD - To be Determined

TBI - Throttle Body Injection Systems

TBOS - Tetrabutoxysilane

TBP - Trial Burn Plan

TBT - Tributyltin

TC - Target Concentration

TC - Technical Center

TC - Technical Committee

TC - Toxic Concentration

TC - Toxicity Characteristic

Tc - Technetium

T & C - Technology & Costs

T & C - Time and Cost

TC207 - ISO Technical Committee 207

TCA - 1,1,1-Trichloroethane

TCAA - Texas Clean Air Act

TCAFA - Texas Clean Air Financing Act

TCAS - Telephone Call Analysis System

TCAWG - Texas Clean Air Working Group

TCC - Tag Closed Cup

TCC - Tagliabue Closed Cup

TCC - Technical Coordinating Committee

TCC - Texas Chemical Council

TCDD - Dioxin (Tetrachlorodibenzo-p-dioxin)

TCDF - Tetrachlorodibenzofurans

TCE - Technical Committee on the Environment

TCE - Trichloroethylene

TCEQ - Texas Commission on Environmental Quality

TCF - Texas Clean Fleet Program

TCF - Total Chlorine Free

TCL - Target Cleanup Level

TCL - Target Compound List

TCL - Transverse Carpal Ligament

TCLo - Lowest Published Toxic Concentration

TCLP - Total Concentrate Leachate Procedure

TCLP - Threshold Concentration Leachate Procedure

TCLP - Toxicity Characteristic Leaching Procedure

TCM - Texas Climatological Model

TCM - Transportation Control Measure

TCM - Travel Cost Method

TCO - Total Cost of Ownership

TCP - Thermocouple Psychrometers

TCP - Transportation Control Plan

TCP - Trichloropropane

TCP - Tricresyl Phosphate

TCPA - Toxic Catostrophe Prevention Act

TCP/IP - Transmission Control Protocol/Internet Protocol

TCR - Total Coliform Rule

TCRI - Toxic Chemical Release Inventory

TCRIS - Toxic Chemical Release Inventory System

TCSP - Transportation Community Systems Preservation

TCTS - Cincinnati Vegas Time Card Tracking System

TCWIS - Transuranic Contaminated Waste Container Information System

TD - Technical Direction

TD - Toxic Dose

TDA - Texas Department of Agriculture

TDA - Toluenediamine

TDB - Toxicological Data Base

TDD - Technical Directive Document

TDD - Telecommunication Devices for the Deaf

TDDC - Test Director and Data Collection

TDEC - Tennessee Department of Environment and Conservation

TDF - Technical Direction Form

TDF - Tire Derived Fuel

TDH - Texas Department of Health

TDI - Toluene Diisocyanate

TDM - Transportation Demand Management

TDOC - Texas Department of Commerce

TDR - Time Domain Reflectrometry

TDR - Transfer of Development Rights

TDS - Total Diet Study

TDS - Total Dissolved Solids

TDSS - Total Dissolved Suspended Solids

TDTOX - Tetradichloroxylene

TDWR - Texas Department of Water Resources

TDY - Temporary Duty

TE - Tailpipe Emissions

TE - Transportation Enhancements

Te - Tellurium

T & E - Threatened and Endangered

TEA-21 - Transportation Equity Act for the 21st Century

TEAM - Traffic Engineering and Management

TEAM - Total Exposure Assessment Model

TEC - Technical Evaluation Committee

TEC - Texas Environmental Center

TECOM - US Army Test and Evaluation Command

TED - Turtle Excluder Devices

TEDE - Total Effective Dose Equivalent

TEEL - Temporary Emergency Exposure Limit

TEF - Toxic Equivalency Factors

TEFC - Totally Enclosed Fan-Cooled

TEG - The Endocrine Group

TEG - Tetraethylene Glycol

TEG - Triethylene Glycol

TEGD - Technical Enforcement Guidance Document

TEHIP - Toxicology and environmental Health Information Program

TEI - Thailand Environmental Institute

TEKTRAN - Technology Transfer Automated Retrieval System

TEL - Tetraethyl Lead

TEL - Time Exposure Limit

TEL/PEL - Threshold and Probable Effects Levels

TEM - Texas Episodic Model

TEM - Transmission Electron Microscopy

TEMA - Tubular Exchange Manufacturers Association

TEMP - Temporary

TEMP - Temperature

TEMS - Temperate Midshelf Species

TEMS - Texas Environmental Management System

TEOM - Tapered Element Oscillating Microbalance

TEP - Technical Evaluation Panel

TEP - Toxicity Extraction Procedure

TEP - Typical End-Use Product

TEPA - Texas Engineering Practice Act

TEQ - Toxicity Equivalent Quotient

TEQ - Total Equivalency Quotient

TEQ - Toxic Equivalents

TERA - Toxicology Excellance for Risk Assessment

TERA - TSCA Environmental Release Application

TERC - Total Environmental Restoration Contract

TERI - Tata Energy Research Institute

TERP - Texas Emission Reduction Plan (Program)

TES - Teaching Environmental Sciences

TES - Technical Enforcement Support

TES - Technical Enforcement Support Contract

TESH - Terrain-adjusted Effective Stack Height

TEVES - Thermal Enhanced Vapor Extraction System

TEWI - Total Equivalent Warming Impact

TEXIN - Texas Intersection Air Quality Model

TF - Turbofan and Turbo Jet Engines

TFCC - Triangulate Fibro-cartilage Complex

TFCS - Treasury Financial Communications System

TFH - Total Fuel Hydrocarbons

TFI - The Fertilizer Institute

TFMS - Treasury File Management System

TFP - Total Factor Productivity

TFS - Total Fuel Hydrocarbons

TFT - Temporary Full Time

TFTE - Temporary Full Time Equivalent

TG - Terrain Grid

Tg - Tera grams (trillion)

TGAI - Technical Grade of the Active Ingredient

TGCU - Tail Gas Cleanup Unit

Tg-DNT - Technical Grade DNT

TGO - Total Gross Output

TGP - Technical Grade Product

TGV - Toxic Gas and Vapor

TGWPC - Texas Groundwater Protection Committee

TH - Thoracic Region

Th - Thorium

THAZCOM - Texas Hazardous Communications Act

THC - Total Hydrocarbons

THI - Target Hazard Index

THM - Trihalomethane

THP - Tunable Hybrid Plasma

THR - Toxic and hazard Review

THROX - Thermal Heat Recovery Oxidation Unit

TI - Technical Impracticability

TI - Temporary Intermittent

TI - Therapeutic Index

Ti - Titanium

TIA - Takings Impact Assessment

TIBL - Thermal Internal Boundary Layer

TIC - Technical Information Coordinator

TIC - Tentatively Identified Compounds

TID - Tamper Indicating Device

TIE - Toxicity Identification Evaluation

TIE/TRE - Toxicity Identification Evaluation /Toxicity Reduction Evaluation

Tier I - Form for Inventory Reporting of Hazardous Materials

Tier II - Form for Inventory Reporting of Hazardous Materials

TIGER - Topographically Integrated Geographic Encoding and Referencing

TIM - Technical Information Manager

TIM - Training Implementation Matrix

TIMACS - Telecommunication Information Management and Control System

TIN - Taxpayer Identification Number

TIO - Technology Innovation Office

TIP - Technical Information Package

TIP - Technology Innovation Program

TIP - Total Ionization Probe

TIP - Transportation (Traffic) Improvement Program

TIP - Tribal Implementation Plan

TIPRO - Texas Independent Producers and Royalty Owners Association

TI/RE - Toxicity Investigation/Reduction Evaluation

TIS - Technical Information Staff

TIS - Tolerance Index System

TIS - Traffic Information System

TIS - Transportation Investment Study

TISB - Technical Information Services Branch

TISE - Take it Somewhere Else

TITC - TSCA Interagency Testing Committee

Title III - SARA Community Right-to Know Act

TITC - TSCA Inter-Agency Testing Committee

TKN - Total Kjedahl Nitrogen

TL - Target (Cleanup) Level

Tl - Thallium

TLC - Territory Logistics Center

TLC - Total Lung Capacity

TLD - Thermoluminescent Dosimetry Data Base

TLD - Toxics Litigation Division

T-level - Technical Level

TLLRWDA - Texas Low Level Radioactive Waste Disposal Authority

TLS - Transport Layer Security

TLV - Threshold Limit Value

TLV-C - Threshold Limit Value -Ceiling

TLV(R) - Threshold Limit Value Recommended)

TLV-STEL - Threshold Limit Value -Short Term Exposure Limit

TLV-TWA - Threshold Limit Value -Time Weighted Average

TM - Technical Manual

TM - Thematic Mapper

Tm - Thullium

T & M - Time and Materials

TMA - Transportation Management Association

TMAC - Time Accounting System

TMARD - Total Motorized Access Route Density

TMC - Traffic/Transportation Management Center

TMDL - Total Maximum Daily Limit

TMDL - Total Maximum Daily Loads

TME - Test Marketing Exemption

TMI - Three Mile Island

TMIA - Transportation Management Investment Area

TMI RAD - Three Mile Island Environmental Radiation

TMIRV - Transportation Management and Incident Response Vehicle

TML - Tetramethyl Lead

TMRC - Theoretical Maximum Residue Contribution

TMS - Traffic Monitoring System

TMS - Transportation Monitoring System

TMS - Travel Management System

TNB - Trinitrobenzene

TNC - The Nature Conservancy

TNCWS - Transient Non-Community Water System

TNMHC - Total Non-Methane Hydrocarbons

TNRCC - Texas Natural Resource Conservation Commission

TNRIS - Texas Natural Resources Information System

TNSS - Region 7 TSCA Neutral Selection

TNT - Trinitrotoluene

TNTC - Too Numerous to Count

TO - Task Order

TO - Total Organic

TO - Travel Order

TOA - Trace Organic Analysis

TOC - Tag Open Cup

TOC - Tagliabue Open Cup

TOC - Total Organic Carbon

TOC - Total Organic Compound

TOCDF - Tooele Chemical Agent Facility

TOCOR - Task Order Contracting Officer Representative

TODE - Total Organ Dose Equivalent

TOE - Total Organic Emissions

TOG - Technical Operating Guidance

TOG - Total Oil and Grease

TOG - Total Organic Gases

TOM - Task Order Manager

TOMP - Total Organic Management Plan

TOMS - Total Ozone Mapping Spectrometer

TOP - Texas Optimization Program

TOPO - Task Order Project Officer

TOPSY - Toxics and Pesticides Management System

TOR - Terms of Reference

TORA - Texas Open Records Act

TOS - Thoracic Outlet Syndrome

TOSC - Technical Outreach to Communities

TOT - Time of Travel

Total - Total Respiratory Region

Total PCDD - Total Polychlorinated dibenzo-(p)-dioxin

Total PCDF - Total Polychlorinated dibenzofuran

TOX - Tetradichloroxylene

TOX - Total Organic Halogens

TOXFLO - Urban Wastewater Toxics Flow Model

TOXIWASP - Water Analysis Simulation Program

TOXNET - Toxicology Network

TP - Technical Product

TP - Total Particulates

TP - Total Phosphorous

TP - Turboprop Engine

TPA - 2,3,5,6-Tetrachloroterephthlalic Acid

TPC - Testing Priorities Committee

TPCA - Toxic Pits Cleanup Act

TPD - Technical Programs Division

tpd - Tons per Day

TPD - Toxics and Pesticide Division

tpd/Mwe - Tons per Day per Megawatt of Electricity

TPH - Total Petroleum Hydrocarbons

tph - Tons per Hour

TPHA - Texas Public Health Association

TPI - Technical Proposal Instructions

TPO - Temporary Protection Order

TPQ - Threshold Planning Quantity

TPSIS - Transportation Planning Support Information System

TPTH - Triphenyltinhydroxide

TPWD - Texas Parks and Wildlife Department

TPY - Tons per Year

TQ - Threshold Quantity Facilities

TQM - Total Quality Management

T-R - Transformer-Rectifier

TR - Transportation Request

TRA - Test Reactor Area

TRA - Total Residual Ammonia

TRACS - TNRCC Regulatory Activities and Compliance System

TRAS - Toxicology and Risk assessment Section

TRB - Transportation Research Board

TRC - Technical Review Committee

TRC - Technical Review Conference

TRC - Total Reportable Case Rate

TRC - Total Residual Chlorine

TRD - Technical Review Document

TRE - Toxicity Reduction Evaluation

TRED - Taxonomic Resources Expertise Directory

TREAT - Transient Reactor Test Facility

TRG - Target Remediation Goal

TRI - Total Release Inventory

TRI - Toxic Chemical Release Inventory

TRI - Toxic Release Inventory

TRIANA - Triana Medical Claims Information System

TRIP - Toxic Release Inventory Program

TRIP - Transboundary Resource Inventory Project

TRIPS - Transuranic Reporting Inventory Processing System

TRIS - Toxic Chemical Release Inventory System

TRLN - Triangle Research Library Network

TRM - Technical Reference Model

TRO - Temporary Restraining Order

TRPH - Total Recoverable Petroleum Hydrocarbons

TRQ - Threshold Reporting Quantity

TRR - Total Radioactive Residues

TRRP - Texas Risk Reduction Program

TRRP - Trends Report

TRS - Total Reduced Sulfur

TRSC - Total Reduced Sulfur Compounds

TRU - Thermal Processing or Reclamation Unit

TRU - Transuranic

TRUPACT - Transuranic Package Transporter

TRV - Toxicity Reference Value

TS - Total Solids

TS - Toxic Substances

T & S - Transfer and Shipping

T-S - Temperature-Salinity

TSA - Technical Systems Audit

TSA - Transportation and Security Administration

TSA - Transportation Security Agency

TSA - Transuranic Storage Area

TSC - Terrorist Screening Center

TSC - Toxic Substances Coordinator

TSC - Transportation Systems Center

TSCA - Top Secret Control Account

TSCA - Toxic Substances Control Act (1976)

TSCATS - TSCA Test Submissions Online Database

TSCC - Toxic Substances Coordinating Committee

TSCM - Technical Surveillance Countermeasures

TSCO - Top Secret Control Officer

TSCP - Toxic Substances Control Program

TSD - Technical Support Division

TSD - Technical Support Document

TSD - Treatment, Storage and Disposal

TSDF - Terminal Storage Discharge Facility

TSDF - Treatment, Storage and/or Disposal Facility(s)

TSDG - Toxic Substances Dialogue Group

TSDR - Treatment, Storage, Disposal and Recycling Facility

TDH - Thyroid Stimulating Hormone

TSI - Carlsons Trophic Status Index

TSI - Thermal System Insulation

TSI - Transportation Safety Institute

TSIS - Technical Services Information System

TSLoO2 - Thermal Stability at Low or Deficient Oxygen Level

TSM - Transportation System Management

TSMCX - Transportation Systems Center

TSN - Tri-Service Solicitation Network

TSO - Time Sharing Option

TSP - Technical Service Provider

TSP - Teleprocessing Services Program

TSP - Thrift Savings Plan

TSP - Total Suspended Particulates

TSP - Transit Support Program

TSR - Technical Safety Requirement

TSS - Technical Services Staff

TSS - Technical Support Staff

TSS - Terminal Security System

TSS - Total Suspended (non-filterable) Solids

TSS - Turbine Engines for Aircraft Designed to Operate at Supersonic Flight Speeds

TS/SCI - Top Secret/Sensitive Compartmented Information

TSSMS - Time Sharing Services Management System

TSSWCB - Texas State Soil and water Conservation Board

TSTL - Texas State Tank Law

TSWDA - Texas Solid Waste Disposal Act

TSV - Taura Syndrome Virus

TSWA - Temporary Secure Working Area

TSWQS - Texas Water Quality Standards

TT - Treatment Technique

TTC - Texas Transportation Commission

TTE - Temporary Total Enclosure

TTFA - Target Transformation Factor Analysis

TTHM - Total Trihalomethane

TTLC - Total Threshold Limit Concentration

TTN - Technology Transfer Network

TTNBS - EPAs Technology Transfer Network Bulletin Board System

TTO - Total Toxic Organics

TTP - Technical Task Plan

TTS - Tarsal Tunnel Syndrome

TTS - TRI Tracking System

TTT - Tank Tightness Testing

TTU - Transportable Treatment Unit

TTY - Teletypwriter

TTX - Tabletop Exercise

TU - Temporary Unit

TU - Toxic Unit

TUa - Acute Toxic Unit

TUc - Chronic Toxic Unit

TUBE - Theoretical Upper Boundary Estimate

TUCC - Triangle University Computer Center

TUHC - Total Unburned Hydrocarbons

TUR - Toxic Use Reduction

TUV - Technisher Uberwachungs Verein

TV - Traffic Volume

TV - Travel Voucher

TVA - Tennessee Valley Authority

TVERC - Tennessee Valley Energy Reform Coalition

TVH - Total Volatile Hydrocarbons

TVOC - Total Volatile Organic Compounds

TVP - True Vapor Pressure

TW - Total weight

TWA - Time Weighted Average

TWC - Texas Water Commission

TWDB - Texas water Development Board

TWDB - Transuranic Waste Data Base

TWMD - Toxics and Waste Management Division

TWMIS - Transuranic Waste Management Information System

TWS - Transient Water System

TWTC - Temporary Workplace Traffic Control

TWTDS - Treatment works Treating Domestic Sewage

TXDOT - Texas Department of Transportation

TZ - Treatment Zone
U

U - Uranium

U list - Listed Hazardous Waste: Toxic Hazardous Waste when Discarded, Off-Specification, or Spilled

UAC - User Advisory Committee

UAE - United Arab Emirates

UAM - Urban Airshed Model

UAO - Unilateral Administrative Order

UAPSP - Utility Acid Precipitation Study Program

UAQI - Uniform Air Quality Index

UARG - Utility Air Regulatory Group

UBC - Uniform Building Code

U/BK - Uptake/Biokinetic

UC - Unauthorized Commitment

UC - Unified Command

UCA - Undefinitized Contractural Action

UCC - Ultra Clean Coal

UCC - Uniform Code Council

UCC - Uniform Commercial Code

UCCI - Urea-Formaldehyde Foam Insulation

UCF - Upset Correction Factor

UCL - Upper Control Limit

UCL - Upper Confidence Limit

UCM - Unregulated Contaminant Monitoring

UCMR - Unregulated Contaminant Monitoring Regulation

UCNI - Unclassified Controlled Nuclear Information

UCR - Upper Confidence Range

UCS - Unconfined Compressive Strength

UDMH - Unsymmetrical Dimethyl Hydrazine

UDV - Unit Day Value

UEL - Upper Explosive Limit

UEM - Use Estimating Model

UF - Uncertainty Factor

UFA - Unsaturated Flow Apparatus

UFC - Uniform Fire Code

UFL - Upper Flammability Limit

UFO - Unfilled Order

UG&CMS - Texas Uniform Grant and Contract Management Act

UGLCCS - Upper Great Lakes Connecting Channels Study

UGST - Underground Storage Tank

UGT - Underground Tank

UGTA - Underground Test Area

µg - Microgram

µg/dl - Micrograms per Deciliter

µg/g - Micrograms per Gram (ppm)

µg/kg - Micrograms per Cubic Kilogram

µg/l - Micrograms per Liter

µg/m3 - Micrograms per Cubic Meter

UHC - Underlying Hazardous Constituent

UHF - Ultra High Frequency

UHIPP - Urban Heat Island Pilot Project

UIC - Underground Injection Control

UICTS - UIC Tracking System

UID - Unique Identifier

UL - Underwriters Laboratory

ULC - Underwriters Laboratory of Canada

ULEV - Ultra Low Emission Vehicles

ULF - Upper Flammability Limit

ULP - Unfair Labor Practice

ULPA - Ultra-Low Penetration Air

UM - Uniform Manifest

um - micrometer

U/M - Upset and Maintenance

UMCS - Utility Monitoring and Control System

µmoles - Micromoles

UMP - Upward Mobility Program

UMR - Underground Mining Regulations

UMRA - Unfunded Mandates Reform Act

UMRB - Utility Management review Board

UMRCC - Upper Mississippi River Conservation Committee

UMR-IWW - Upper Mississippi River Illinois Waterway

UMR-IWWSNS - Upper Mississippi River Illinois Waterway System Navigation

UMRS - Upper Mississippi River System

UMTA - Urban Mass Transportation Administration

UMTRA - Uranium Mill Tailings Remedial Action

UMTRCA - Uranium Mill Tailings Radiation Control Act

UN - United Nations

UNAMAP - User's Network for Applied Modeling of Air Pollution

UNCED - United Nations Conference on Environment and Development

UNCHE - United Nations Conference on the Human Environment

UNCHS - United Nations Center for Human Settlements

UNCLOS - United Nations Convention on the Law of the Sea

UNCSD - United Nations Commission on Sustainable Development

UNCTAD - United Nations Conference on Trade and Development

UNDAF - United Nations Development Assistance Framework

UNDESD - United Nations Department of Economic and Social Development

UNDP - United Nations Development Program

UNDPCSD - United Nations Department for Policy Coordination and Sustainable Development

UNECA - United Nations Economic Commission for Africa

UNECE - United Nations Economic Commission for Europe

UNECLAC - United Nations Economic Commission for Latin America and the Caribbean

UNEP - United Nations Environment Program

UNEP-DEIA - United Nations Environment Program Division of Environmental Information and Assessment

UNEP-EAP/AP - United Nations Environment Program Environment Assessment Program for Asia and the Pacific

UNESCAP - United Nations Educational, Scientific and Cultural Organization

UNESCO - United Nations Educational, Scientific, and Cultural Organization

UNESCWA - United Nations Economic and Social Commission for West Asia

UNESOB - United Nations Economic and Social Office in Beirut

UNFCCC - United Nations Framework Convention on Climate Change

UNFPA - United Nations Fund for Population Activities

UNICEF - United Nations Childrens Fund

UNIDO - United Nations Industrial Development Organization

UNISHIP - Unified Shippers Enforcement Data System

UNISIST - World Science Information System

UNITAR - United Nations Institute for Training and Research

UNIX - Operating System developed by AT&T

UNRWA - United Nations Relief and Works Agency for Palestine Refugees

UNSCEAR - United Nations Scientific Committee on the Effects of Atomic Radiation

UNSD - United Nations Statistical Division

UNSO - United Nations Sudano-Sahelian Office

UNU - United Nations University

UO - Utilization Officer

UOF - Used Oil Filter

UORA - Used Oil Recycling Act

UPC - Universal Product Code

UPCONE - Upconing of a Salt-Water/Fresh-Water Interface Below a Pumping Well

UPD - Up and Down Procedure

UPWP - Unified Planning Work Program for Regional Transportation

UPZ - Upper Perched Zone

UR - Uptake Rate

URF - Inhalation Unit Risk Factor

µR/hr - Micro Roentgen per Hour

URIS - Unregulated Contaminant Information System

URL - Uniform Resource Locator

URL - Upper Reporting Limit

URV - Unit Risk Value

US - United States of America

USA - United States of America

USA - United States Army

USA - United States Attorney

USACCE - United States Army Contracting Command, Europe

USACE - United States Army Corp of Engineers

USACOE - United States Army Corp of Engineers

USAEC - United Stated Army Environmental Center

USAEC - United Stated Army Environmental Command

USAED - US Army Engineer District

USAEHA - United States Army Environmental Hygiene Agency

USAF - United States Air Force

USAID - U.S. Agency for Economic Development

USAO - United States Attorneys Office

USAPEHEA - United States Army Pacific Environmental Health Engineering Agency

USAREUR - United States Army, Europe

USAS - Uniform Statewide Accounting System

USATHAMA - U.S. Army Toxic and Hazardous Materials Agency

USBA - United States Bureau of Reclamation

USBM - United States Bureau of Mines

USBR - United States Bureau of Reclamation

USBS - United States Bureau of Standards

USC - Unified Soil Classification

USC - United States Code

USCA - United States Code Annotated

USCA - Unit- Specific Correlation Approach

USCG - United States Coast Guard

USCG-MSEP - United States Coast Guard Office of Marine Safety and Environmental Protection

USCIS - United States Citizenship and Immigration Services

USCP - United States Capitol Police

USCS - United Soil Classification System

USDA - United States Department of Agriculture

USDOD - United States Department of Defense

USDOE - United States Department of Energy

USDOI - United States Department of the Interior

USDOT - United States Department of Transportation

USDW - Underground Source(s) of Drinking Water

USE - Used Solvent Elimination

USEPA - United States Environmental Protection Agency

USFDA - United States Food and Drug Administration

USFS - Untied States Forest Service

USFW - United States Fish and Wildlife Service

USFWS - United States Fish and Wildlife Service

USGS - United States Geological Survey

USISTC - US-Israel Science and Technology Commission

USLADP - Urban Soil Lead Abatement Demonstration Project

USLE - Universal Soil Loss Equation

USM - United States Marshal

USMAB - US Man and the Biosphere Program

USMC - United States Marine Corps

USN - United States Navy

USNRC - United States Nuclear Regulatory Commission

USP - United States Pharmacopoeia

USPHS - United States Public Health Service

USPP - United States Park Police

USPS - United States Postal Service

US&R - Urban Search and Rescue

USSOCOM - US Special Operations Command

USSR - Union of Soviet Socialist Republics

USSS - United States Secret Service

UST - Underground Storage Tank

USTFP - Underground Storage Tank Facility Plan

US-VISIT - United States Visitor and Immigrant Status Indicator Technology

USWAG - Utility Solid Waste Activities Group

¼S/cm - Microsiemens per Centimeter

UTL - Upper Tolerance Limit

UTM - Universal Transverse Mercator

UTP - Urban Transportation Planning

UTS - Universal Treatment Standards

UV - Ultraviolet

UVA - Ultraviolet Radiation Band A

UVB - Ultraviolet Radiation Band B

UVC - Ultraviolet Radiation Band C

UVCE - Unconfined Vapor Cloud Explosion

UV-Vis - Ultra Violet Visible Spectroscopy

UWAG - Urban Waterfront Action Group

UWL - Upper Warning Limit

UWMB - Urban Watershed Management Branch

UWR - Upland/Wetland Reuse

UXO - Unexploded Ordnance

UZM - Unsaturated Zone Monitoring

V

V - Vanadium

V - Vinyl-Polyvinyl Chloride

V -Volt

VA - Veterans Administration

VAa - Alveolar Ventilation Rate Animal

VAC - Vacuum

VAC - Volts Alternating Current

VAFSWM - Virginia Field Scale Wetland Model

VAh - Alveolar Ventilation Rate Human

VALLEY - Meteorological Model to Calculate Concentrations on Elevated Terrain

VAN - Research Triangle Park Van System

VAP - Vulnerability Assessment Program

VAP d - Vapor Density

VAS - Visual Analog Scale

VAT - Value Added Tax

VAV - Variable Air Volume

VBOK - EMSL Vegas Library Book System

VCEM - EMSL Vegas Chemical Inventory

VCM - Vinyl Chloride Monomer

VCP - Voluntary Cleanup Program

VCS - Vapor Collection System

VCTU - Virginia Council of Trout Unlimited

VCU - Venturi Calibration Unit

VDC - Volts Direct Current

VDEC - Vermont Department of Environmental Conservation

VDT - Video Display Terminal

VE - Value Engineering

VE - Visual Emissions

VEC - Vehicle emissions Certificate

VECP - Value Engineering Change Proposal

VEEC - Visible Emissions Evaluation Certification

VEM - Value Estimation Model

VEO - Visible Emission Observation

VERR - Vehicle Emissions Repair Report

VES - Vapor Extraction System

VES - Vertical Electric Sounding

VFC - Volumetric Flow Controller

VFSMOD - Vegetative Filter Strip Model

VHAP - Volatile Hazardous Air Pollutant

VHS - Vertical and Horizontal Spread Model

VHT - Vehicle-Hours of Travel

VIEW - Visibility Investigative Experiment in the West

VIR - Vehicle Inspection Report

VISC - Viscosity

VISITT - Vendor Information System for Innovative Treatment Technologies

VISTTA - Visibility Impairment from Sulfur Transformation and Transport in the Atmosphere

ViTS - Video Telecommunications System

VKT - Vehicle Kilometers Traveled

V/L - Volume to Liquid Ratio

VLDPE - Very Low-Density Polyethylene

VLIB - EMSL Vegas Library Inventory

VMAL - EMSL Vegas Mail System

VMAT - Veterinary Medical Assistance Team

VMEP - Voluntary Mobile Emissions Programs

VMS - Variable Message Sign

VMS - Volatile Methyl Siloxane

VMT - Vehicle Miles Traveled

VMT - Vertical Miles Traveled

VN - Verbal Notification

VOA - Volatile Organic Analysis

VOA - Volatile Organic Analyte

VOAP - Voluntary Cleanup Oversight and Assistance Program

VOC - Volatile Organic Compound

VOHAPs - Volatile Organic Hazardous Air Pollutants

VOL - Volatile Organic Liquid

VOLSTORAGE - Volatile Organic Liquid Storage Facilities

VOS - Vehicle Operating Survey

VOSL - Value of Statistical Life

VOST - Volatile Organic Sampling Train

VP - Vapor Pressure

VPN - Virtual Private Network

VPP - Voluntary Protection Program

vPvD - Very Persistent, Very Bioaccumulative

VQ - Venturi Quench

VRF - Vehicle Repair Form

VRS - Vapor Recovery system

VS - Venturi Scrubber

VSAM - Virtual Storage Access Method

VSAP - Visual Stream Assessment Protocol

VSD - Virtually Safe Dose

VSI - Visual Site Inspection

VSPC - EMSL Vegas Species System

VSS - Volatile Suspended Solids

VSS - Voucher and Scheduling System

VST-CV - Vapor Systems Technologies Safety Check Valve

VTC - Video Teleconferences

VTS - Vessel Traffic System

VTSR - Verified Time of Sample Receipt

VTSSS 2000 - Virginia Trout Stream Sensitivity Study

v/v - Volume to Volume

VWF - Vibration-induced White Finger

W

W - Tungsten

W - Watt

W3C - World Wide Web Consortium

WA - Work Assignment

WAA - Waste Accumulation Area

WACO - Region 7 NPDES Water Compliance System

WAD - Weak Acid Dissociable Cyanide

WADTF - Western Atmospheric Deposition Task Force

WAM - Work Assignment Manager

WAMView - Watershed Assessment Model with an Archive Interface

WAN - Wide Area Network

WAP - Waste Analysis Plan

WARMF - Watershed Analysis Risk Management Framework

WARR - Waste and Release Reduction

WAS - Wasting Rate

WASP - Water Analysis Simulation Program

WATER - Economic Analysis of Water Supply

WATER - Watershed Analysis Tool for Environmental Review

WATERS - Watershed Assessment Tracking and Environmental Results System

WATERSHEDSS Water, Soil, and Hydro-Environmental Decision Support System

WATQ - Region 2 Water quality Analysis Graphics System

WAVE - Water Alliances for Environmental Efficiency

WAWAS - Washington Area Warning System

WB - Wet Bulb

WB - World Bank

WBC - White Blood Cells

WBCSD - World Business Council for Sustainable Development

WBD - Watershed Boundary Dataset

WBE - Womens Business Enterprise

WBGT - Wet Bulb Globe Temperature

WBS - Work Breakdown Structure

WCC - Warning Communications Center

WCC - Washington Computer Center

WCC - Wiesbaden Contracting Center

WCED - World Commission on Environment and Development

WCF - Waste Characterization Facility

WCID - Water Control and Improvement District

WCL - Workplace Chemicals List

WCMC - World Conservation Monitoring Center

WCN - World Climate News

WCP - Waste Characterization Program

WCR - Waste Characterization Report

WCRA - Waste Characterization and Repackaging Area

WCRI - Worker Compensation

WCS - Watershed Characterization System

WCSC - Waterborne Commerce Statistics Center

WD - Water Division

WD - Wind Direction

WDAC - Wild and Domestic Animal Criteria

WDAV - Wild and Domestic Animal Value

WDEQ - Wyoming Department of Environmental Quality

WDI - World Bank World Development Indicators

WDM - NOAAs Weather Data Management

WDNR - Wisconsin Department of Natural Resource

WDOE - Washington Department of Ecology

WDR - Waste Discharge Report

WDR - Waste Discharge Requirements

WDROP - Distribution Register of Organic Pollutants in Water

WED - Water Enforcement Division

WEEL - Workplace Environmental Exposure Level

WEEM - Waterway Efficiency Evaluation Model

WEF - Water Environment Federation (formerly WPCF)

WEHAB - Water, Energy, Health, Agriculture and Biodiversity

WEI - World Environment Institute

WENDB - Water Enforcement National Database

WEP - Wired Equivalent Privacy

WEPP - Water Erosion Prediction Project

WER - Water Effects Ratio

WERC - Worldwide Environmental Remediation and Construction

WERF - Waste Experimental Reduction Facility

WERL - Water Engineering Research Laboratory

WES - Waterways Experiment Station

WESP - Wet Electrostatic Precipitator

WESPDOSE2 - High Level Radioactive Waste Risk Model Environmental Pathways

WET - Waste Extraction Test

WET - Water Education Team

WET - Whole Effluent Toxicity Test

WETOX - Wet Air Oxidation

WETT - Whole Effluent Toxicity Testing

WF - Waterfowl Habitat

WFF - Wallops Flight Facility

WFO - Work for Others

WFP - World Food Program

WFPM - Western Fine Particulate Modeling

W/ft2 - Watt per Square Foot

WG - Wage Grade

WG - Work Group

WGI - Within Grade Increase

WHB - Waste Heat Boiler

WHMIS - Workplace Hazardous Materials Information System

WHO - World Health Organization

WHO-WMO - International Air Data Base

WHP - Wellhead Protection

WHPA - Wellhead Protection Area

WHPP - Wellhead Protection Program

WHSCC - Workplace Health, Safety and Compensation Commission

WHWT - Water and Hazardous Waste Team

WIC - Washington Information Center

WICEM - World Industry Conference on Environmental Management

WIL - Web Interface Layer

WIM - Weigh-in-Motion

WIMS-ES - Work Information Management System Environmental Subsystem

WIN - Waste Information Needs

WinHSPF - Interactive Windows Interface to HSPF

WIP - Work in Progress

WIPP - Waste Isolation Pilot Project

WIS - Waste Information System

WISE - Women in Science and Engineering

WL - Warning Letter

WL - Working Level (radon measurement)

WLA - Waste Load allocation

WLA/TMDL - Waste Load Allocation/Total Maximum Daily Load

WLD - Water and Land Division

WLM - Working Level Months

WLRC - Washington Level Review Center

W/m3 - Watts per Cubic Meter

WMC - Waste management Contractor

WMD - Waste Management Division

WMD - Water Management District

WMD - Water Management Division

WMD - Weapons of Mass Destruction

WMED - Waste Management and Economics Division

WMF - Waste management Facility

WMI - Watershed Management Initiative

WMM - Watershed Management Model

WMMA - Waste Materials Management Act

WMMP - Waste Minimization and Management Plan

WMNP - Waste Minimization National Plan

WMO - Wireless Management Office

WMO - World Meteorological Organization

WMP - Waste Management Plan

WMS - Watershed Model System

WMS - Work Force Management Staff

WMSD - Work-related Musculoskeletal Disorder

WMV - Windows Media Video

WO - Work Order

WORM - Write Once Read Many

WOW - We-Cycle Office Wastepaper

WOW - Workers Observing Workers

WP - Water Pollution Lab Performance Evaluation Studies

WP - Wettable Powder

WP - Workplan

WPA - Watershed Protection Approach

WPA - Wellhead Protection Area

WPA - Wireless Protected Access

WPAP - Water Pollution Abatement Plan

WPC - Water Pollution Control

WPC - Water Priority Chemicals

WPC - Word Processing Center

WPCF - Water Pollution Control Federation

WPD - Water Planning Division

WPH - Wetlands Protection Hotline

WPI - Wholesale Price Index

WPM - Words per Minute

WPO - Water Policy Office

WPPISDC - Wisconsin Power Plant Impact Study Data Center

WPR - Worker Protection Rule

WPS - Worker Protection Standard

WPW - Wood Preserving Waste

WQ - Water Quality

WQ2000 - Water Quality 2000

WQA - Water Quality Act (1987) (see FWPCA)

WQARF - Water Quality Assurance Revolving Fund

WQAS - Water Quality Analysis System (file within STORET)

WQBELS - Water Quality-Based Effluent Limits

WQC - Water Quality Criteria

WQCDs - Water Quality Criteria Documents

WQI/GPT - Water Quality Inlet/Gross Pollutant Trap

WQM - Water Quality Management

WQMP - Water Quality Management Plan

WQMSGL - Water Quality Modeling System for the Great Lakes

WQM4 - Region 4 Water Quality Model

WQO - Water Quality Objective

WQOBS - Water Quality Observation Data

WQP - Water Quality Parameters

WQS - Water Quality Standard

WRAC - Waste Reduction Advisory Committee

WRAP - Western Regional Air Partnership

WRAS - Waste Reduction Advisory System

WRAS - Watershed Restoration Action Strategy

WRC - Water resources Center

WRC - Water Resources Congress

WRC - Water Resources Council

WRC - Work Request Center

WRD - Water Resources Division

WRD - World Resources Database

WRDA - Water Resources Development Act

WRI - World Resources Institute

WRITE - Waste Reduction Innovative Technology Evaluation

WRMSD - Work-related Musculoskeletal Disorder

WRP - Wetlands Research Project

WRPA - Waste Reduction Policy Act

WRS - Wilcoxom Rank Sum

WRS - Region 5 ADP Workload Reporting System

WS - Water Supply

WS - Water Supply Evaluation Studies Lab Performance

WS - Web Services

WS - Wind Speed

WS - Work Status

WS - Wet Scrubber

WSAP - Weighted Sensitivity Analysis Program

WSC - Water Supply or Sewer Service Corporations

WSF - Water Soluble Fraction

WSIB - Workplace Safety and Insurance Board

WSIS - Workplace Safety and Insurance System

WSM - Watershed Model

WSO - World Safety Organization

WSR - Wet Strength Resin

WSRA - Wild and Scenic Rivers Act

WSS - Work Smart Standards

WSSM - Water Supply Simulation Model

WSTB - Water Sciences and Technology Board

WSTP - Wastewater Sewage Treatment Plant

WSTT - Watershed Screening and targeting Tool

WSVS - Region 2 Water Supply Violation Assessment Graphics System

WSWRD - Water Supply and Water Resources Division

WTC - World Trade Center

WTE - Waste to Energy

WTIE - Wastewater Treatment and Information Exchange

WTO - World Trade Organization

WTP - Water Treatment Plant

WTP - Willingness to Pay

WTPS - Water, Toxics and Pesticides Staff

WTRF - Waste Tire Recycling Fund

WTRRX - Controlled Reaction with Water for Highly Reactive Inorganic Chemicals

WTS - HPOB Automated Workload Management System

WTSHRD - Water and Toxic Substances Health Research Division

WUD - Water Utility Database

WUI - Wildland Urban Interface

WV - Wildlife Value

WWEMA - Waste and Wastewater Equipment Manufacturers Association

WWF - Wet Weather Flow

WWF - World Wide Fund for Nature

WWF - World Wildlife Federation

WWFB - Waste Water Financing Board

WWMMRD - Water and Waste Management Monitoring Research Division

WWR - Wetlands and Water Resources

WWT - Wastewater Treatment

WWTP - Wastewater Treatment Plant

WWTU - Wastewater Treatment Unit

WWW - World Weather Watch

WWW - World Wide Web

X

X - Xenon

X-Files - Files of unknown content

XRF - X-ray Fluorescence

Y

Y - Yes

Y - Yttrium

YAG - Yttrium Aluminum Garnet Laser

Yb - Ytterbium

YES - Yellowstone Ecosystem Subcommittee

YM - Yucca Mountain Project

YNP - Yellowstone National Park

yr - Year

YTD - Year to Date

Y-12 - Oak Ridge Y-12 Plant

Y2K - Year 2000
Z

Z List - OSHA Permissible Exposure Limits Table

ZBB - Zero Base Budgeting

ZD - Zero Drift

ZEV - Zero Emission Vehicle

ZHE - Zero Headspace Extractor

ZI - Zero Intercept

ZID - Zone of Initial Dilution

ZM - Zone Manager

Zn - Zinc

ZOI - Zone of Incorporation

Zr - Zirconium

ZRL - Zero Risk Level

ZT - Zulu Time
NUMBERS

33/50 - An EPA project inviting all manufacturers to make reductions in 17 targeted chemicals

3P - Pollution Prevention Plans or Program

4D - Tetrachlorodibenzo-(p)-dioxin

4F - Tetrachlorodibenzofuran

5D - Pentachlorodibenzo-(p)-dioxin

5F - Pentachlorodibenzofuran

6D - Hexachlorodibenzo-(p)-dioxin

6F - Hexachlorodibenzofuran

7D - Heptachlorodibenzo-(p)-dioxin

7F - Heptachlorodibenzofuran

8D - Octachlorodibenzo-(p)-dioxin

8F - Octachlorodibenzofuran
SYMBOLS

% - Percent

%RSD - Percent Relative Standard Deviation

? - Not Available

§ - Section

< - Less than

- Greater than

>= - Greater Than or Equal To

$GN - $mart Growth Network

PAGE
- -

PAGE 3
JJDS Environmental
267-880-2325
email: HYPERLINK "mailto:jjdsenv@att.net" jjdsenv@att.net website: HYPERLINK "http://www.jjdsenvironmental.com" www.jjdsenvironmental.com

JJDS Environmental
Doylestown, PA
"Dedicated to Balancing Legal Requirements and Cost"
HYPERLINK "mailto:jjdsenv@att.net" jjdsenv@att.net HYPERLINK "http://www.jjdsenvironmental.com" www.jjdsenvironmental.com

Other exersises:

Corrigé Application 11 - Nicolas Arin
Statistiques - Maths-et-tiques
td c1 : vitesse d'une reaction chimique - PCSI-PSI AUX ULIS
corrige dossier 2 - Free
corrige dossier sic n°3 - Exercices corriges
Université Paris-Sud 11 - Examen corrige
Référentiel BTS-ESF - Pagesperso-orange.fr
Modele de rapport - Thierry Karsenti
Télécharger le parcours - Snesup
Cycles De La Vie Et Grandes Fonctions Nouveau Programme D E I ...
Dei Biologie Fondamentale L1 Ifsi Ue 2 1 Semestre 1 - ayelet.gq
Hormones Et Grandes Fonctions Tome 1 - eqlu.ga