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Environmental and Safety Acronyms

Environmental Health & Safety Acronyms

We all know that  government officials and technoids love to use acronyms for everything!  IAC (in any case), here is a list of the most common EHS acronyms.  If we missed one or you have a list to suggest, contact us by the feedback form

IF YOU DON'T FIND IT IN THE LIST BELOW, TRY THIS MASSIVE EPA GLOSSARY OF TERMS AND PHRASES .  JUST CLICK ON THE LETTER BELOW THAT THE TERM BEGINS WITH:

And if you're looking for our massive environmental & safety guidance web pages, click here !

Acronym Description
AA Attainment Area
ACL Alternative Concentration Limit
ACM Asbestos-Containing Material
ANSI American National Standards Institute
AOC Area of Contamination
API American Petroleum Institute
AQCR Air Quality Control Region
ARAR Applicable Relevant and Appropriate Requirements (Cleanup Standards)
ASHRAE American Society of Heating, Refrigeration and Air Conditioning Engineers
ASTM American Society for Testing and Materials
ATSDR Agency for Toxic Substances and Disease Registry
BACM Best Available Control Measure
BACT Best Available Control Technology
BAT Best Available Technology
BATEA Best Available Technology Economically Achievable
BCT Best Conventional Technology
BDAT Best Demonstrational Achievable Technology (also "Available")
BDT Best Demonstrational Technology
BEJ Best Engineering Judgment
BIF Boiler and Industrial Furnace
BMP Best Management Practice
BOD Biological Oxygen Demand
BPJ Best Professional Judgment
BPT Best Practical Control Technology
BRS Biennial Reporting System
BTU British Thermal Units
C&D Construction and Demolition
CAA Clean Air Act
CAAA Clean Air Act Amendments

 

 

CBI Confidential Business Information
CAIR Comprehensive Assessment Information Rule
CAMU Corrective Action Management Unit
CAS Chemical Abstract Service
CCP Commercial Chemical Product
CDC Centers for Disease Control
CDD Chlorodibenzodioxin
CDF Chlorodibenzofuran
CEM Continuous Emission Monitoring
CEQ Council on Environmental Quality
CERCLA Comprehensive Environmental Response Compensation Liability Act of 1980 (amended in 1984 and later)
CESQG Conditionally Exempt Small Quantity Generator of hazardous wastes
CFC Chlorofluorocarbon - an ozone-depleting refrigerant
CFR Code of Federal Regulations
CHEMTREC Chemical Transportation Emergency Center
CHIPS Chemical Hazards Information Profiles (EPA
COD Chemical Oxygen Demand
CPSC Consumer Product Safety Commission (16 CFR)
CTG Control Techniques Guidelines
CWA Clean Water Act
DCO Delayed Compliance Order
DDT Dichlorodiphenyltrichloroethane - a toxic pesticide
DMR Discharge Monitoring Reports
DO Dissolved Oxygen
DOD Department of Defense
DOE Department of Energy
DOJ Department of Justice
DOT Department of Transportation
DRE Destruction and Removal Efficiency
EIS Environmental Impact Statement
EMS Environmental Management System (also see ISO14000)
EP Extraction Procedure
EPA Environmental Protection Agency
EPR Extended Product Responsibility
ESA Environmental Site Assessment
EPCRA Emergency Planning and Community Right-to-Know Act
ESP Electrostatic Precipitor
FDA Food and Drug Administration(21 CFR)
EUP Exceptional Use Permits
FFCA Federal Facility Compliance Act
FIFRA Federal Insecticide, Fungicide and Rodenticide Act
First Third August 17, 1988, Federal Register (53 FR 31138) - the first of the hazardous waste land disposal restrictions
FR Federal Register
GLP Good Laboratory Practices
GNP Good Manufacturing Procedures
GPO Government Printing Office
GRAS Generally Recognized as Safe
GLPS Good Laboratory Practice Standards
HAP Hazardous Air Pollutant
HazWoper 29 CFR 1910.120 - the OSHA / EPA requirement to have all employees trained if they will be handling, managing or shipping hazardous wastes.
HRS Hazard Ranking System
HCFC Hydrochlorofluorocarbon
HHW Household Hazardous Waste
HM Hazardous Material
HW Hazardous Waste
HSWA Hazardous and Solid Waste Amendments of 1984
HWM Hazardous Waste Management
ID (as in ID number) - Hazardous Waste Identification Number assigned to RCRA generators, transporters, and TSDFs
Implementing Agency refers to the State or Regional office implementing RCRA
INUR Inventory Update Rule
ISO International Organization for Standardization
ISO14000 The ISO standard for environmental management systems
ITC Interagency Testing Committee
LAER Lowest Achievable Emission Rate
LCA Life Cycle Analysis/ Assessment
LDR Land Disposal Restrictions (40 CFR Part 268)
LEPC Local Emergency Planning Committee
Limit  
LOEL Lowest Observed Effect Level
LQG Large Quantity Generator of hazardous wastes - this term has a specific definition under RCRA!
LUST Leaking Underground Storage Tanks
MACT Maximum Achievable Control Technology
MARPOL International Convention on the Prevention of Pollution from Ships
MCL Maximum Concentration Limit or Level
LQHUW Large Quantity Handlers of  Universal Waste (haz wastes)
LSF Liquid Scintillation Fluid (rad waste)
MRQ Monthly Hotline Report Q&A, The Hotline prepares a monthly report that contains questions and answers on common or difficult RCRA topics. EPA publishes this report. The questions and answers can be usually used as EPA guidance. Beware: the hotline is run by an EPA contractor and their answers are often erratic and not legally binding.
MSDS Material Safety Data Sheet (under OSHA)
MSW Municipal Solid Waste (trash, nonhazwaste, etc.)
NAA Non-Attainment Area
NAAQS National Ambient Air Quality Standards
NCP National Contingency Plan
NEPA National Environmental Policy Act
NESHAP National Emissions Standard for Hazardous Air Pollutants
NIOSH National Institute of Occupational Safety and Health
NIPDWR National Interim Primary Drinking Water Regulation
NPDES National Pollutantion Discharge Elimination System
NPL National Priorities List - the list of Superfund sites
NRC National Response Center
NFPA National Fire Protection Act
NIH National Institute for Health
NORM Naturally Occurring Radioactive Material
NRC Several possibilities: Nuclear Regulatory Commission, National Response Center,  or National Research Council
NSDWR National Secondary Drinking Water Regulation
NSPS New Source Performance Standards
NSR New Source Review
NTIS National Technical Information Service (usually charges you for the same information that we provide free...)
ODS Ozone Depleting Substances (air emissions)
OPM Operation and Maintenance
ORD Office of Research and Development
OSHA Occupational Safety and Health Administration (29 CFR)
OSW Office of Solid Waste
OSWER Office of Solid Waste and Emergency Response
P2 Pollution Prevention
PAIR Preliminary Assessment Information Rule
PBT Persistent, Bioaccumulative, Toxic
PCB Polychlorinated biphenyl - A toxic cooling oil used in the past in transformers and capacitors
PCP Pentachlorophenol
PEL Permissible Exposure Limit
PM-10 Particulate Matter< 10 Micrometers
PNA Polynuclear Aromatic Compounds
PNIN Premanufacture Notification
POTW Publicly Owned Treatment Works
PPB Parts Per Billion
PPM Parts Per Million
PRP Potentially Responsible Parties
PSD Prevention of Significant Deterioration
PPE Personal Protective Equipment (such as gloves, repirators, etc.)
QA/QC Quality Assurance/Quality Control
R&D Research and Development
RACM Reasonably Available Control Measure
RACT Reasonably Available Control Technique
RCRA Resource Conservation and Recovery Act of 1976 - resulted in hazardous waste regulations - 40 CFR Parts 260 to 280
RGD Radiation-Generating Devices
RI/FS Remedial Investigation/ Feasibility Study
RPCC Release Prevention, Control and Countermeasure
RQ Reportable Quantity
RMP Risk Management Plan
RSO Radiation Safety Officer
RUST RCRA Underground Storage Tanks
SARA Superfund Amendment Reauthorization Act
SBAP  Small Business Assistance Program
SBO Small Business Ombudsman
SDWA Safe Drinking Water Act of 1974
Second Third June 23, 1989, Federal Register (54 FR 26594) - hazardous waste land disposal restrictions
SERC State Emergency Response Commission
SIC Standard Industrial Classification
SIP State Implementation Plan
SMCL Secondary Maximum Contamination Level
SNM Special Nuclear Material
SOC Schedule of Compliance
SPCC Spill Prevention Control and Countermeasures
SPDES State Pollutant Discharge Elimination
SQG Small Quantity Generator of hazardous wastes (has a specific definition!)
SQHUW Small Quantity Handlers of Universal Waste (haz waste)
SW-846 Test Methods for Evaluating Solid Waste, Physical/Chemical Methods
SWMU Solid Waste Management Unit
SSLA Small Sealed Lead Acid (battery)
TAP  Toxic Air Pollutant
 
TCDD Tetrachlorodibenzodioxin
TCE Tetrachloroethylene, perchloroethylene
TCLP Toxic Characteristic Leaching Procedure
Third Third June 1, 1990, Federal Register (55 FR 22520) - refers to hazardous wastes "landban" land disposal restrictions
TOC Total Organic Carbon
TPQ Threshold Planning Quantity (CERCLA community right-to-know)
TQ Threshold Quantity (spill reporting)
TRI Toxic Release Inventory (CERCLA community right-to-know)
TSCA Toxic Substances Control Act of 1976 - regulates asbestos, PCBs, new chemicals being deveoped for sale and other chemicals
TSDF Treatment, Storage, or Disposal Facility (permitted hazardous waste facility)
TSS Total Suspended Solids
TWA Time Weighted Average
UHC Underlying Hazardous Constituent
UIC Underground Injection Control
USCG United States Coast Guard
USDA United States Department of Agriculture
USDW Underground Source of Drinking Water
USPS United States Postal Service
UST Underground Storage
UTS Universal Treatment Standards: These are the constituent-specific treatment standards found in §268.48.
VOC Volatile Organic Compounds
WAP Waste Analysis Plan - A plan that outlines the procedures necessary to ensure proper treatment, storage, or disposal of hazardous waste.

EPA Acronyms

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

AA: Accountable Area; Adverse Action; Advices of Allowance; Assistant Administrator; Associate Administrator; Atomic Absorption

AAEE: American Academy of Environmental Engineers

AANWR: Alaskan Arctic National Wildlife Refuge

AAP: Asbestos Action Program

AAPCO: American Association of Pesticide Control Officials

AARC: Alliance for Acid Rain Control

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

ABES: Alliance for Balanced Environmental Solutions

AC: Actual Commitment. Advisory Circular

A&C: Abatement and Control

ACA: American Conservation Association

ACBM: Asbestos-Containing Building Material

ACE: Alliance for Clean Energy

ACE: Any Credible Evidence

ACEEE: American Council for an Energy Efficient Economy

ACFM: Actual Cubic Feet Per Minute

ACL: Alternate Concentration Limit. Analytical Chemistry Laboratory

ACM: Asbestos-Containing Material

ACP: Agriculture Control Program (Water Quality Management); ACP: Air Carcinogen Policy

ACQUIRE: Aquatic Information Retrieval

ACQR: Air Quality Control Region

ACS: American Chemical Society

ACT: Action

ACTS: Asbestos Contractor Tracking System

ACWA: American Clean Water Association

ACWM: Asbestos-Containing Waste Material

ADABA: Acceptable Data Base

ADB: Applications Data Base

ADI: Acceptable Daily Intake

ADP: AHERA Designated Person; Automated Data Processing

ADQ: Audits of Data Quality

ADR: Alternate Dispute Resolution

ADSS: Air Data Screening System

ADT: Average Daily Traffic

AEA: Atomic Energy Act

AEC: Associate Enforcement Counsels

AEE: Alliance for Environmental Education

AEERL: Air and Energy Engineering Research Laboratory

AEM: Acoustic Emission Monitoring

AERE: Association of Environmental and Resource Economists

AES: Auger Electron Spectrometry

AFA: American Forestry Association

AFCA: Area Fuel Consumption Allocation

AFCEE: Air Force Center for Environmental Excellence

AFS: AIRS Facility Subsystem

AFUG: AIRS Facility Users Group

AH: Allowance Holders

AHERA: Asbestos Hazard Emergency Response Act

AHU: Air Handling Unit

AI: Active Ingredient

AIC: Active to Inert Conversion

AICUZ: Air Installation Compatible Use Zones

AID: Agency for International Development

AIHC: American Industrial Health Council

AIP: Auto Ignition Point

AIRMON: Atmospheric Integrated Research Monitoring Network

AIRS: Aerometric Information Retrieval System

AL: Acceptable Level

ALA: Delta-Aminolevulinic Acid

ALA-O: Delta-Aminolevulinic Acid Dehydrates

ALAPO: Association of Local Air Pollution Control Officers

ALARA: As Low As Reasonably Achievable

ALC: Application Limiting Constituent

ALJ: Administrative Law Judge

ALMS: Atomic Line Molecular Spectroscopy

ALR: Action Leakage Rate

AMBIENS: Atmospheric Mass Balance of Industrially Emitted and Natural Sulfur

AMOS: Air Management Oversight System

AMPS: Automatic Mapping and Planning System

AMSA: Association of Metropolitan Sewer Agencies

ANC: Acid Neutralizing Capacity

ANPR: Advance Notice of Proposed Rulemaking

ANRHRD: Air, Noise, & Radiation Health Research Division/ORD

ANSS: American Nature Study Society

AOAC: Association of Official Analytical Chemists

AOC: Abnormal Operating Conditions

AOD: Argon-Oxygen Decarbonization

AOML: Atlantic Oceanographic and Meteorological Laboratory

AP: Accounting Point

APA: Administrative Procedures Act

APCA: Air Pollution Control Association

APCD: Air Pollution Control District

APDS: Automated Procurement Documentation System

APHA: American Public Health Association

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

APTI: Air Pollution Training Institute

APWA: American Public Works Association

AQ-7: Non-reactive Pollutant Modelling

AQCCT: Air-Quality Criteria and Control Techniques

AQCP: Air Quality Control Program

AQCR: Air-Quality Control Region

AQD: Air-Quality Digest

AQDHS: Air-Quality Data Handling System

AQDM: Air-Quality Display Model

AQMA: Air-Quality Maintenance Area

AQMD: Air Quality Management District

AQMP: Air-Quality Maintenance Plan; Air-Quality Management Plan

AQSM: Air-Quality Simulation Model

AQTAD: Air-Quality Technical Assistance Demonstration

AR: Administrative Record

A&R: Air and Radiation

ARA: Assistant Regional Administrator; Associate Regional Administrator

ARAC: Acid Rain Advisory Committee

ARAR: Applicable or Relevant and Appropriate Standards, Limitations, Criteria, and Requirements

ARB: Air Resources Board

ARC: Agency Ranking Committee

ARCC: American Rivers Conservation Council

ARCS: Alternative Remedial Contract Strategy

ARG: American Resources Group

ARIP: Accidental Release Information Program

ARL: Air Resources Laboratory

ARM: Air Resources Management

ARNEWS: Acid Rain National Early Warning Systems

ARO: Alternate Regulatory Option

ARRP: Acid Rain Research Program

ARRPA: Air Resources Regional Pollution Assessment Model

ARS: Agricultural Research Service

ARZ: Auto Restricted Zone

AS: Area Source

ASC: Area Source Category

ASDWA: Association of State Drinking Water Administrators

ASHAA: Asbestos in Schools Hazard Abatement Act

ASHRAE: American Society of Heating, Refrigerating, and Air-Conditioning Engineers

ASIWCPA: Association of State and Interstate Water Pollution Control Administrators

ASMDHS: Airshed Model Data Handling System

ASRL: Atmospheric Sciences Research Laboratory

AST: Advanced Secondary (Wastewater) Treatment

ASTHO: Association of State and Territorial Health Officers

ASTM: American Society for Testing and Materials

ASTSWMO: Association of State and Territorial Solid Waste Management Officials

AT: Advanced Treatment. Alpha Track Detection

ATERIS: Air Toxics Exposure and Risk Information System

ATS: Action Tracking System; Allowance Tracking System

ATSDR: Agency for Toxic Substances and Disease Registry

ATTF: Air Toxics Task Force

AUSM: Advanced Utility Simulation Model

A/WPR: Air/Water Pollution Report

AWRA: American Water Resources Association

AWT: Advanced Wastewater Treatment

AWWA: American Water Works Association

AWWARF: American Water Works Association Research Foundation.

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B

BAA: Board of Assistance Appeals

BAC: Bioremediation Action Committee; Biotechnology Advisory Committee

BACM: Best Available Control Measures

BACT: Best Available Control Technology

BADT: Best Available Demonstrated Technology

BAF: Bioaccumulation Factor

BaP: Benzo(a)Pyrene

BAP: Benefits Analysis Program

BART: Best Available Retrofit Technology

BASIS: Battelle's Automated Search Information System

BAT: Best Available Technology

BATEA: Best Available Treatment Economically Achievable

BCT: Best Control Technology

BCPCT: Best Conventional Pollutant Control Technology

BDAT: Best Demonstrated Achievable Technology

BDCT: Best Demonstrated Control Technology

BDT: Best Demonstrated Technology

BEJ: Best Engineering Judgement. Best Expert Judgment

BF: Bonafide Notice of Intent to Manufacture or Import (IMD/OTS)

BID: Background Information Document. Buoyancy Induced Dispersion

BIOPLUME: Model to Predict the Maximum Extent of Existing Plumes

BMP: Best Management Practice(s)

BMR: Baseline Monitoring Report

BO: Budget Obligations

BOA: Basic Ordering Agreement (Contracts)

BOD: Biochemical Oxygen Demand. Biological Oxygen Demand

BOF: Basic Oxygen Furnace

BOP: Basic Oxygen Process

BOPF: Basic Oxygen Process Furnace

BOYSNC: Beginning of Year Significant Non-Compliers

BP: Boiling Point

BPJ: Best Professional Judgment

BPT: Best Practicable Technology. Pest Practicable Treatment

BPWTT: Best Practical Wastewater Treatment Technology

BRI: Building-Related Illness

BRS: Bibliographic Retrieval Service

BSI: British Standards Institute

BSO: Benzene Soluble Organics

BTZ: Below the Treatment Zone

BUN: Blood Urea Nitrogen

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C

CA: Citizen Act. Competition Advocate. Cooperative Agreements. Corrective Action

CAA: Clean Air Act; Compliance Assurance Agreement

CAAA: Clean Air Act Amendments

CAER: Community Awareness and Emergency Response

CAFE: Corporate Average Fuel Economy

CAFO: Concentrated Animal Feedlot; Consent Agreement/Final Order

CAG: Carcinogenic Assessment Group

CAIR : Clean Air Interstate Rule: Comprehensive Assessment of Information Rule

CALINE: California Line Source Model

CAM: Compliance Assurance Monitoring rule; Compliance Assurance Monitoring

CAMP: Continuous Air Monitoring Program

CAN: Common Account Number

CAO: Corrective Action Order

CAP: Corrective Action Plan. Cost Allocation Procedure. Criteria Air Pollutant

CAPMoN: Canadian Air and Precipitation Monitoring Network

CAR: Corrective Action Report

CAS: Center for Automotive Safety; Chemical Abstract Service

CASAC: Clean Air Scientific Advisory Committee

CASLP: Conference on Alternative State and Local Practices

CASTNet: Clean Air Status and Trends Network

CATS: Corrective Action Tracking System

CAU: Carbon Adsorption Unit; Command Arithmetic Unit

CB: Continuous Bubbler

CBA: Chesapeake Bay Agreement. Cost Benefit Analysis

CBD: Central Business District

CBEP: Community Based Environmental Project

CBI: Compliance Biomonitoring Inspection; Confidential Business Information

CBOD: Carbonaceous Biochemical Oxygen Demand

CBP: Chesapeake Bay Program; County Business Patterns

CCA: Competition in Contracting Act

CCAA: Canadian Clean Air Act

CCAP: Center for Clean Air Policy; Climate Change Action Plan

CCEA: Conventional Combustion Environmental Assessment

CCHW: Citizens Clearinghouse for Hazardous Wastes

CCID: Confidential Chemicals Identification System

CCMS/NATO: Committee on Challenges of a Modern Society/North Atlantic Treaty Organization

CCP: Composite Correction Plan

CC/RTS: Chemical Collection/ Request Tracking System

CCTP: Clean Coal Technology Program

CD: Climatological Data

CDB: Consolidated Data Base

CDBA: Central Data Base Administrator

CDBG: Community Development Block Grant

CDD: Chlorinated dibenzo-p-dioxin

CDF: Chlorinated dibenzofuran

CDHS: Comprehensive Data Handling System

CDI: Case Development Inspection

CDM: Climatological Dispersion Model; Comprehensive Data Management

CDMQC: Climatological Dispersion Model with Calibration and Source Contribution

CDNS: Climatological Data National Summary

CDP: Census Designated Places

CDS: Compliance Data System

CE: Categorical Exclusion. Conditionally Exempt Generator

CEA: Cooperative Enforcement Agreement; Cost and Economic Assessment

CEAT: Contractor Evidence Audit Team

CEARC: Canadian Environmental Assessment Research Council

CEB: Chemical Element Balance

CEC: Commission for Environmental Cooperation

CECATS: CSB Existing Chemicals Assessment Tracking System

CEE: Center for Environmental Education

CEEM: Center for Energy and Environmental Management

CEI: Compliance Evaluation Inspection

CELRF: Canadian Environmental Law Research Foundation

CEM: Continuous Emission Monitoring

CEMS: Continuous Emission Monitoring System

CEPA: Canadian Environmental Protection Act

CEPP: Chemical Emergency Preparedness Plan

CEQ: Council on Environmental Quality

CERCLA: Comprehensive Environmental Response, Compensation, and Liability Act (1980)

CERCLIS: Comprehensive Environmental Response, Compensation, and Liability Information System

CERT: Certificate of Eligibility

CESQG: Conditionally Exempt Small Quantity Generator

CEST: Community Environmental Service Teams

CF: Conservation Foundation

CFC: Chlorofluorocarbons

CFM: Chlorofluoromethanes

CFR: Code of Federal Regulations

CHABA: Committee on Hearing and Bio-Acoustics

CHAMP: Community Health Air Monitoring Program

CHEMNET: Chemical Industry Emergency Mutual Aid Network

CHESS: Community Health and Environmental Surveillance System

CHIP: Chemical Hazard Information Profiles

CI: Compression Ignition. Confidence Interval

CIAQ: Council on Indoor Air Quality

CIBL: Convective Internal Boundary Layer

CICA: Competition in Contracting Act

CICIS: Chemicals in Commerce Information System

CIDRS: Cascade Impactor Data Reduction System

CIMI: Committee on Integrity and Management Improvement

CIS: Chemical Information System. Contracts Information System

CKD: Cement Kiln Dust

CKRC: Cement Kiln Recycling Coalition

CLC: Capacity Limiting Constituents

CLEANS: Clinical Laboratory for Evaluation and Assessment of Toxic Substances

CLEVER: Clinical Laboratory for Evaluation and Validation of Epidemiologic Research

CLF : Conservation Law Foundation

CLI : Consumer Labelling Initiative

CLIPS : Chemical List Index and Processing System

CLP: Contract Laboratory Program

CM : Corrective Measure

CMA: Chemical Manufacturers Association

CMB: Chemical Mass Balance

CME : Comprehensive Monitoring Evaluation

CMEL : Comprehensive Monitoring Evaluation Log

CMEP: Critical Mass Energy Project

CNG: Compressedd Natural Gas

COCO: Contractor-Owned/ Contractor-Operated

COD : Chemical Oxygen Demand

COH: Coefficient Of Haze

CPDA: Chemical Producers and Distributor Association

CPF: Carcinogenic Potency Factor

CPO: Certified Project Officer

CQA: Construction Quality Assurance

CR: Continuous Radon Monitoring

CROP: Consolidated Rules of Practice

CRP: Child-Resistant Packaging; Conservation Reserve Program

CRR: Center for Renewable Resources

CRSTER: Single Source Dispersion Model

CSCT: Committee for Site Characterization

CSGWPP: Comprehensive State Ground Water Protection Program

CSI : Common Sense Initiative; Compliance Sampling Inspection

CSIN: Chemical Substances Information Network

CSMA: Chemical Specialties Manufacturers Association

CSO: Combined Sewer Overflow

CSPA : Council of State Planning Agencies

CSRL: Center for the Study of Responsive Law

CTARC: Chemical Testing and Assessment Research Commission

CTG: Control Techniques Guidelines

CTSA: Cleaner TechnologiesSubstitutess Assessment

CV: Chemical Vocabulary

CVS: Constant Volume Sampler

CW: Continuous working-level monitoring

CWA: Clean Water Act (aka FWPCA)

CWAP: Clean Water Action Project

CWTC: Chemical Waste Transportation Council

CZMA: Coastal Zone Management Act

CZARA: Coastal Zone Management Act Reauthorization Amendments

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D

DAPSS: Document and Personnel Security System (IMD)

DBP: Disinfection By-Product

DCI: Data Call-In

DCO: Delayed Compliance Order

DCO: Document Control Officer

DDT: DichloroDiphenylTrichloroethane

DERs: Data Evaluation Records

DES: Diethylstilbesterol

DfE: Design for the Environment

DI: Diagnostic Inspection

DMR: Discharge Monitoring Report

DNA: Deoxyribonucleic acid

DNAPL: Dense Non-Aqueous Phase Liquid

DO: Dissolved Oxygen

DOW: Defenders Of Wildlife

DPA: Deepwater Ports Act

DPD: Method of Measuring Chlorine Residual in Water

DQO: Data Quality Objective

DRE: Destruction and Removal Efficiency

DRES: Dietary Risk Evaluation System

DRMS: Defense Reutilization and Marketing Service

DRR: Data Review Record

DS: Dichotomous Sampler

DSAP: Data Self Auditing Program

DSCF: Dry Standard Cubic Feet

DSCM: Dry Standard Cubic Meter

DSS : Decision Support System; Domestic Sewage Study

DT: Detectors (radon) damaged or lost; Detention Time

DU: Decision Unit. Ducks Unlimited; Dobson Unit

DUC: Decision Unit Coordinator

DWEL: Drinking Water Equivalent Level

DWS: Drinking Water Standard

DWSRF: Drinking Water State Revolving Fund

EA : Endangerment Assessment; Enforcement Agreement; Environmental Action; Environmental Assessment;. Environmental Audit

EAF : Electric Arc Furnaces

EAG : Exposure Assessment Group

EAO : Emergency Administrative Order

EAP : Environmental Action Plan

EAR : Environmental Auditing Roundtable

EASI : Environmental Alliance for Senior Involvement

EB : Emissions Balancing

EC : Emulsifiable Concentrate; Environment Canada; Effective Concentration

ECA : Economic Community for Africa

ECAP : Employee Counselling and Assistance Program

ECD : Electron Capture Detector

ECHH : Electro-Catalytic Hyper-Heaters

ECHO : Enforcement and Compliance History Online

ECL : Environmental Chemical Laboratory

ECOS : Environmental Council of the States

ECR : Enforcement Case Review

ECRA : Economic Cleanup Responsibility Act

ED : Effective Dose

EDA : Emergency Declaration Area

EDB : Ethylene Dibromide

EDC : Ethylene Dichloride

EDD : Enforcement Decision Document

EDF : Environmental Defense Fund

EDRS : Enforcement Document Retrieval System

EDS : Electronic Data System; Energy Data System

EDTA : Ethylene Diamine Triacetic Acid

EDX : Electronic Data Exchange

EDZ : Emission Density Zoning

EEA : Energy and Environmental Analysis

EECs : Estimated Environmental Concentrations

EER : Excess Emission Report

EERL : Eastern Environmental Radiation Laboratory

EERU : Environmental Emergency Response Unit

EESI : Environment and Energy Study Institute

EESL : Environmental Ecological and Support Laboratory

EETFC : Environmental Effects, Transport, and Fate Committee

EF : Emission Factor

EFO : Equivalent Field Office

EFTC : European Fluorocarbon Technical Committee

EGR : Exhaust Gas Recirculation

EH : Redox Potential

EHC : Environmental Health Committee

EHS : Extremely Hazardous Substance

EI : Emissions Inventory

EIA : Environmental Impact Assessment. Economic Impact Assessment

EIL : Environmental Impairment Liability

EIR : Endangerment Information Report; Environmental Impact Report

EIS : Environmental Impact Statement; Environmental Inventory System

EIS/AS : Emissions Inventory System/Area Source

EIS/PS : Emissions Inventory System/Point Source

EJ : Environmental Justice

EKMA : Empirical Kinetic Modeling Approach

EL : Exposure Level

ELI : Environmental Law Institute

ELR : Environmental Law Reporter

EM : Electromagnetic Conductivity

EMAP : Environmental Mapping and Assessment Program

EMAS : Enforcement Management and Accountability System

EMR : Environmental Management Report

EMS : Enforcement Management System

EMSL : Environmental Monitoring Support Systems Laboratory

EMTS : Environmental Monitoring Testing Site; Exposure Monitoring Test Site

EnPA : Environmental Performance Agreement

EO : Ethylene Oxide

EOC : Emergency Operating Center

EOF : Emergency Operations Facility (RTP)

EOP : End Of Pipe

EOT : Emergency Operations Team

EP : Earth Protectors; Environmental Profile; End-use Product; Experimental Product;  Extraction Procedure

EPAA : Environmental Programs Assistance Act

EPAAR : EPA Acquisition Regulations

EPCA : Energy Policy and Conservation Act

EPACT : Environmental Policy Act

EPACASR : EPA Chemical Activities Status Report

EPCRA : Emergency Planning and Community Right to Know Act

EPD : Emergency Planning District

EPI : Environmental Policy Institute

EPIC : Environmental Photographic Interpretation Center

EPNL : Effective Perceived Noise Level

EPRI : Electric Power Research Institute

EPTC : Extraction Procedure Toxicity Characteristic

EQIP : Environmental Quality Incentives Program

ER : Ecosystem Restoration; Electrical Resistivity

ERA : Economic Regulatory Agency

ERAMS : Environmental Radiation Ambient Monitoring System

ERC : Emergency Response Commission. Emissions Reduction Credit, Environmental Research Center

ERCS : Emergency Response Cleanup Services

ERDA : Energy Research and Development Administration

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

ERL : Environmental Research Laboratory

ERNS : Emergency Response Notification System

ERP : Enforcement Response Policy

ERT : Emergency Response Team

ERTAQ : ERT Air Quality Model

ES : Enforcement Strategy

ESA : Endangered Species Act. Environmentally Sensitive Area

ESC : Endangered Species Committee

ESCA : Electron Spectroscopy for Chemical Analysis

ESCAP : Economic and Social Commission for Asia and the Pacific

ESECA : Energy Supply and Environmental Coordination Act

ESH : Environmental Safety and Health

ESP : Electrostatic Precipitators

ET : Emissions Trading

ETI : Environmental Technology Initiative

ETP : Emissions Trading Policy

ETS : Emissions Tracking System; Environmental Tobacco Smoke

ETV : Environmental Technology Verification Program

EUP : End-Use Product; Experimental Use Permit

EWCC : Environmental Workforce Coordinating Committee

EXAMS : Exposure Analysis Modeling System

ExEx : Expected Exceedance

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F

FACA : Federal Advisory Committee Act

FAN : Fixed Account Number

FATES : FIFRA and TSCA Enforcement System

FBC : Fluidized Bed Combustion

FCC : Fluid Catalytic Converter

FCCC : Framework Convention on Climate Change

FCCU : Fluid Catalytic Cracking Unit

FCO : Federal Coordinating Officer (in disaster areas); Forms Control Officer

FDF : Fundamentally Different Factors

FDL : Final Determination Letter

FDO : Fee Determination Official

FE : Fugitive Emissions

FEDS : Federal Energy Data System

FEFx : Forced Expiratory Flow

FEIS : Fugitive Emissions Information System

FEL : Frank Effect Level

FEPCA : Federal Environmental Pesticide Control Act; enacted as amendments to FIFRA.

FERC : Federal Energy Regulatory Commission

FES : Factor Evaluation System

FEV : Forced Expiratory Volume

FEV1 : Forced Expiratory Volume--one second; Front End Volatility Index

FF : Federal Facilities

FFAR : Fuel and Fuel Additive Registration

FFDCA : Federal Food, Drug, and Cosmetic Act

FFEO : Federal Facilities Enforcement Office

FFF : Firm Financial Facility

FFFSG : Fossil-Fuel-Fired Steam Generator

FFIS : Federal Facilities Information System

FFP : Firm Fixed Price

FGD : Flue-Gas Desulfurization

FID : Flame Ionization Detector

FIFRA : Federal Insecticide, Fungicide, and Rodenticide Act

FIM : Friable Insulation Material

FINDS : Facility Index System

FIP : Final Implementation Plan

FIPS : Federal Information Procedures System

FIT : Field Investigation Team

FLETC : Federal Law Enforcement Training Center

FLM : Federal Land Manager

FLP : Flash Point

FLPMA : Federal Land Policy and Management Act

FMAP : Financial Management Assistance Project

F/M : Food to Microorganism Ratio

FML : Flexible Membrane Liner

FMP : Facility Management Plan

FMP : Financial Management Plan

FMS : Financial Management System

FMVCP : Federal Motor Vehicle Control Program

FOE : Friends Of the Earth

FOIA : Freedom Of Information Act

FOISD : Fiber Optic Isolated Spherical Dipole Antenna

FONSI : Finding Of No Significant Impact

FORAST : Forest Response to Anthropogenic Stress

FP : Fine Particulate

FPA : Federal Pesticide Act

FPAS : Foreign Purchase Acknowledgement Statements

FPD : Flame Photometric Detector

FPEIS : Fine Particulate Emissions Information System

FPM : Federal Personnel Manual

FPPA : Federal Pollution Prevention Act

FPR : Federal Procurement Regulation

FPRS : Federal Program Resources Statement; Formal Planning  and Supporting System

FQPA : Food Quality Protection Act

FR : Federal Register. Final Rulemaking

FRA : Federal Register Act

FREDS : Flexible Regional Emissions Data System

FRES : Forest Range Environmental Study

FRM : Federal Reference Methods

FRN : Federal Register Notice. Final Rulemaking Notice

FRS : Formal Reporting System

FS : Feasibility Study

FSA : Food Security Act

FSS : Facility Status Sheet; Federal Supply Schedule

FTP : Federal Test Procedure (for motor vehicles)

FTS : File Transfer Service

FTTS : FIFRA/TSCA Tracking System

FUA : Fuel Use Act

FURS : Federal Underground Injection Control Reporting System

FVMP : Federal Visibility Monitoring Program

FWCA : Fish and Wildlife Coordination Act

FWPCA : Federal Water Pollution and Control Act (aka CWA). Federal Water Pollution and Control Administration

FY : Fiscal Year

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G

GAAP : Generally Accepted Accounting Principles

GAC : Granular Activated Carbon

GACT : Granular Activated Carbon Treatment

GAW : Global Atmospheric Watch

GCC : Global Climate Convention

GC/MS : Gas Chromatograph/ Mass Spectograph

GCVTC : Grand Canyon Visibility Transport Commission

GCWR : Gross Combination Weight Rating

GDE : Generic Data Exemption

GEI : Geographic Enforcement Initiative

GEMI : Global Environmental Management Initiative

GEMS : Global Environmental Monitoring System; Graphical Exposure Modeling System

GEP : Good Engineering Practice

GFF : Glass Fiber Filter

GFO : Grant Funding Order

GFP : Government-Furnished Property

GICS : Grant Information and Control System

GIS : Geographic Information Systems; Global Indexing System

GLC : Gas Liquid Chromatography

GLERL : Great Lakes Environmental Research Laboratory

GLNPO : Great Lakes National Program Office

GLP : Good Laboratory Practices

GLWQA : Great Lakes Water Quality Agreement

GMCC : Global Monitoring for Climatic Change

G/MI : Grams per mile

GOCO : Government-Owned/ Contractor-Operated

GOGO : Government-Owned/ Government-Operated

GOP : General Operating Procedures

GOPO : Government-Owned/ Privately-Operated

GPAD : Gallons-per-acre per-day

GPG : Grams-per-Gallon

GPR : Ground-Penetrating Radar

GPRA : Government Performance and Results Act

GPS : Groundwater Protection Strategy

GR : Grab Radon Sampling

GRAS : Generally Recognized as Safe

GRCDA : Government Refuse Collection and Disposal Association

GRGL : Groundwater Residue Guidance Level

GT : Gas Turbine

GTN : Global Trend Network

GTR : Government Transportation Request

GVP : Gasoline Vapor Pressure

GVW : Gross Vehicle Weight

GVWR : Gross Vehicle Weight Rating

GW : Grab Working-Level Sampling. Groundwater

GWDR : Ground Water Disinfection Rule

GWM : Groundwater Monitoring

GWP : Global Warming Potential

GWPC : Ground Water Protection Council

GWPS : Groundwater Protection Standard; Groundwater Protection Strategy

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H

HA : Health Advisory

HAD : Health Assessment Document

HAP : Hazardous Air Pollutant

HAPEMS : Hazardous Air Pollutant Enforcement Management System

HAPPS : Hazardous Air Pollutant Prioritization System

HATREMS : Hazardous and Trace Emissions System

HAZMAT : Hazardous Materials

HAZOP : Hazard and Operability Study

HBFC : Hydrobromofluorocarbon

HC : Hazardous Constituents; Hydrocarbon

HCCPD : Hexachlorocyclo-pentadiene

HCFC : Hydrochlorofluorocarbon

HCP : Hypothermal Coal Process

HDD : Heavy-Duty Diesel

HDDT : Heavy-duty Diesel Truck

HDDV : Heavy-Duty Diesel Vehicle

HDE : Heavy-Duty Engine

HDG : Heavy-Duty Gasoline-Powered Vehicle

HDGT : Heavy-Duty Gasoline Truck

HDGV : Heavy-Duty Gasoline Vehicle

HDPE : High Density Polyethylene

HDT : Highest Dose Tested in a study. Heavy-Duty Truck

HDV : Heavy-Duty Vehicle

HEAL : Human Exposure Assessment Location

HECC : House Energy and Commerce Committee

HEI : Health Effects Institute

HEM : Human Exposure Modeling

HEPA : High-Efficiency Particulate Air

HEPA : Highly Efficient Particulate Air Filter

HERS : Hyperion Energy Recovery System

HFC : Hydrofluorocarbon

HHDDV : Heavy Heavy-Duty Diesel Vehicle

HHE : Human Health and the Environment

HHV : Higher Heating Value

HI : Hazard Index

HI-VOL : High-Volume Sampler

HIWAY : A Line Source Model for Gaseous Pollutants

HLRW : High Level Radioactive Waste

HMIS : Hazardous Materials Information System

HMS : Highway Mobile Source

HMTA : Hazardous Materials Transportation Act

HMTR : Hazardous Materials Transportation Regulations

HOC : Halogenated Organic Carbons

HON : Hazardous Organic NESHAP

HOV : High-Occupancy Vehicle

HP : Horse Power

HPLC : High-Performance Liquid Chromatography

HPMS : Highway Performance Monitoring System

HPV : High Priority Violator

HQCDO : Headquarters Case Development Officer

HRS : Hazardous Ranking System

HRUP : High-Risk Urban Problem

HSDB : Hazardous Substance Data Base

HSL : Hazardous Substance List

HSWA : Hazardous and Solid Waste Amendments

HT : Hypothermally Treated

HTP : High Temperature and Pressure

HVAC : Heating, Ventilation, and Air-Conditioning system

HVIO : High Volume Industrial Organics

HW : Hazardous Waste

HWDMS : Hazardous Waste Data Management System

HWGTF : Hazardous Waste Groundwater Task Force; Hazardous Waste Groundwater Test Facility

HWIR : Hazardous Waste Identification Rule

HWLT : Hazardous Waste Land Treatment

HWM : Hazardous Waste Management

HWRTF : Hazardous Waste Restrictions Task Force

HWTC : Hazardous Waste Treatment Council

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I

I/A : Innovative/Alternative

IA : Interagency Agreement

IAAC : Interagency Assessment Advisory Committee

IADN : Integrated Atmospheric Deposition Network

IAG : Interagency Agreement

IAP : Incentive Awards Program. Indoor Air Pollution

IAQ : Indoor Air Quality

IARC : International Agency for Research on Cancer

IATDB : Interim Air Toxics Data Base

IBSIN : Innovations in Building Sustainable Industries

IBT : Industrial Biotest Laboratory

IC : Internal Combustion

ICAIR : Interdisciplinary Planning and Information Research

ICAP : Inductively Coupled Argon Plasma

ICB : Information Collection Budget

ICBN : International Commission on the Biological Effects of Noise

ICCP : International Climate Change Partnership

ICE : Industrial Combustion Emissions Model. Internal Combustion Engine

ICP : Inductively Coupled Plasma

ICR : Information Collection Request

ICRE : Ignitability, Corrosivity, Reactivity, Extraction

ICRP : International Commission on Radiological Protection

ICRU : International Commission of Radiological Units and Measurements

ICS : Incident Command System. Institute for Chemical Studies; Intermittent Control Strategies.; Intermittent Control System

ICWM : Institute for Chemical Waste Management

IDEA : Integrated Data for Enforcement Analysis

IDLH : Immediately Dangerous to Life and Health

IEB : International Environment Bureau

IEMP : Integrated Environmental Management Project

IES : Institute for Environmental Studies

IFB : Invitation for Bid

IFCAM : Industrial Fuel Choice Analysis Model

IFCS : International Forum on Chemical Safety

IFIS : Industry File Information System

IFMS : Integrated Financial Management System

IFPP : Industrial Fugitive Process Particulate

IGCC : Integrated Gasification Combined Cycle

IGCI : Industrial Gas Cleaning Institute

IIS : Inflationary Impact Statement

IINERT : In-Place Inactivation and Natural Restoration Technologies

IJC : International Joint Commission (on Great Lakes)

I/M : Inspection/Maintenance

IMM : Intersection Midblock Model

IMPACT : Integrated Model of Plumes and Atmosphere in Complex Terrain

IMPROVE : Interagency Monitoring of Protected Visual Environment

INPUFF : Gaussian Puff Dispersion Model

INT : Intermittent

IOB : Iron Ore Beneficiation

IOU : Input/Output Unit

IPCS : International Program on Chemical Safety

IP : Inhalable Particles

IPM : Inhalable Particulate Matter. Integrated Pest Management

IPP : Implementation Planning Program. Integrated Plotting Package; Inter-media Priority Pollutant (document); Independent Power Producer

IPCC : Intergovernmental Panel on Climate Change

IPM : Integrated Pest Management

IRG : Interagency Review Group

IRLG : Interagency Regulatory Liaison Group (Composed of EPA, CPSC, FDA, and OSHA)

IRIS : Instructional Resources Information System. Integrated Risk Information System

IRM : Intermediate Remedial Measures

IRMC : Inter-Regulatory Risk Management Council

IRP : Installation Restoration Program

IRPTC : International Register of Potentially Toxic Chemicals

IRR : Institute of Resource Recovery

IRS : International Referral Systems

IS : Interim Status

ISAM : Indexed Sequential File Access Method

ISC : Industrial Source Complex

ISCL : Interim Status Compliance Letter

ISCLT : Industrial Source Complex Long Term Model

ISCST : Industrial Source Complex Short Term Model

ISD : Interim Status Document

ISE : Ion-specific electrode

ISMAP : Indirect Source Model for Air Pollution

ISO : International Organization for Standardization

ISPF : (IBM) Interactive System Productivity Facility

ISS : Interim Status Standards

ITC :Innovative Technology Council

ITC : Interagency Testing Committee

ITRC : Interstate Technology Regulatory Coordination

ITRD : Innovative Treatment Remediation Demonstration

IUP : Intended Use Plan

IUR : Inventory Update Rule

IWC : In-Stream Waste Concentration

IWS : Ionizing Wet Scrubber

J

JAPCA : Journal of Air Pollution Control Association

JCL : Job Control Language

JEC : Joint Economic Committee

JECFA : Joint Expert Committee of Food Additives

JEIOG : Joint Emissions Inventory Oversight Group

JLC : Justification for Limited Competition

JMPR : Joint Meeting on Pesticide Residues

JNCP : Justification for Non-Competitive Procurement

JOFOC : Justification for Other Than Full and Open Competition

JPA : Joint Permitting Agreement

JSD : Jackson Structured Design

JSP : Jackson Structured Programming

JTU : Jackson Turbidity Unit

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L

LAA : Lead Agency Attorney

LADD : Lifetime Average Daily Dose; Lowest Acceptable Daily Dose

LAER : Lowest Achievable Emission Rate

LAI : Laboratory Audit Inspection

LAMP : Lake Acidification Mitigation Project

LC : Lethal Concentration. Liquid Chromatography

LCA : Life Cycle Assessment

LCD : Local Climatological Data

LCL : Lower Control Limit

LCM : Life Cycle Management

LCRS : Leachate Collection and Removal System

LD : Land Disposal. Light Duty

LD L0 : The lowest dosage of a toxic substance that kills test organisms.

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

LDGT : Light-Duty Gasoline Truck

LDIP : Laboratory Data Integrity Program

LDR : Land Disposal Restrictions

LDRTF : Land Disposal Restrictions Task Force

LDS : Leak Detection System

LDT : Lowest Dose Tested. Light-Duty Truck

LDV : Light-Duty Vehicle

LEL : Lowest Effect Level. Lower Explosive Limit

LEP : Laboratory Evaluation Program

LEPC : Local Emergency Planning Committee

LERC : Local Emergency Response Committee

LEV : Low Emissions Vehicle

LFG : Landfill Gas

LFL : Lower Flammability Limit

LGR : Local Governments Reimbursement Program

LHDDV : Light Heavy-Duty Diesel Vehicle

LI : Langelier Index

LIDAR : Light Detection and Ranging

LIMB : Limestone-Injection Multi-Stage Burner

LLRW : Low Level Radioactive Waste

LMFBR : Liquid Metal Fast Breeder Reactor

LMOP : Landfill Methane Outreach Program

LNAPL : Light Non-Aqueous Phase Liquid

LOAEL : Lowest-Observed-Adverse-Effect-Level

LOD : Limit of Detection

LQER : Lesser Quantity Emission Rates

LQG : Large Quantity Generator

LRTAP : Long Range Transboundary Air Pollution

LUIS : Label Use Information System

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M

MAC : Mobile Air Conditioner

MACT : Maximum Achievable Control Technology

MAPSIM : Mesoscale Air Pollution Simulation Model

MATC : Maximum Acceptable Toxic Concentration

MBAS : Methylene-Blue-Active Substances

MCL : Maximum Contaminant Level

MCLG : Maximum Contaminant Level Goal

MCS : Multiple Chemical Sensitivity

MDL : Method Detection Limit

MEC : Model Energy Code

MEI : Maximally (or most) Exposed Individual

MEP : Multiple Extraction Procedure

MHDDV : Medium Heavy-Duty Diesel Vehicle

MOBILE5A : Mobile Source Emission Factor Model

MOE : Margin Of Exposure

MOS : Margin of Safety

MP : Manufacturing-use Product; Melting Point

MPCA : Microbial Pest Control Agent

MPI : Maximum Permitted Intake

MPN : Maximum Possible Number

MPWC : Multiprocess Wet Cleaning

MRBMA : Mercury-Containing and Rechargeable Battery Management Act

MRF : Materials Recovery Facility

MRID : Master Record Identification number

MRL : Maximum-Residue Limit (Pesticide Tolerance)

MSW : Municipal Solid Waste

MTBE : Methyl tertiary butyl ether

MTD : Maximum Tolerated Dose

MUP : Manufacturing-Use Product

MUTA : Mutagenicity

MWC : Machine Wet Cleaning

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N

NAA : Nonattainment Area

NAAEC : North American Agreement on Environmental Cooperation

NAAQS : National Ambient Air Quality Standards

NACA : National Agricultural Chemicals Association

NACEPT : National Advisory Council for Environmental Policy and Technology

NADP/NTN : National Atmospheric Deposition Program/National Trends Network

NAMS : National Air Monitoring Stations

NAPAP : National Acid Precipitation Assessment Program

NAPL : Non-Aqueous Phase Liquid

NAPS : National Air Pollution Surveillance

NARA : National Agrichemical Retailers Association

NARSTO : North American Research Strategy for Tropospheric Ozone

NAS : National Academy of Sciences

NASA : National Aeronautics and Space Administration

NASDA : National Association of State Departments of Agriculture

NCAMP : National Coalition Against the Misuse of Pesticides

NCEPI : National Center for Environmental Publications and Information

NCWS : Non-Community Water System

NEDS : National Emissions Data System

NEIC : National Enforcement Investigations Center

NEPA : National Environmental Policy Act

NEPI : National Environmental Policy Institute

NEPPS : National Environmental Performance Partnership System

NESHAP : National Emission Standard for Hazardous Air Pollutants

NIEHS : National Institute for Environmental Health Sciences

NETA : National Environmental Training Association

NFRAP : No Further Remedial Action Planned

NICT : National Incident Coordination Team

NIOSH : National Institute of Occupational Safety and Health

NIPDWR : National Interim Primary Drinking Water Regulations

NISAC : National Industrial Security Advisory Committee

NMHC : Nonmethane Hydrocarbons

NMOC : Non-Methane Organic Component

NMVOC : Non-methane Volatile Organic Chemicals

NO : Nitric Oxide

NOČ : Nitrogen Dioxide

NOA : Notice of Arrival

NOAA : National Oceanographic and Atmospheric Agency

NOAC : Nature of Action Code

NOAEL : No Observable Adverse Effect Level

NOEL : No Observable Effect Level

NOIC : Notice of Intent to Cancel

NOIS : Notice of Intent to Suspend

N2O : Nitrous Oxide

NOV : Notice of Violation

NOx : Nitrogen Oxides

NORM : Naturally Occurring Radioactive Material

NPCA : National Pest Control Association>

NPDES : National Pollutant Discharge Elimination System

NPHAP : National Pesticide Hazard Assessment Program

NPIRS : National Pesticide Information Retrieval System

NPMS : National Performance Measures Strategy

NPTN : National Pesticide Telecommunications Network

NRD : Natural Resource Damage

NRDC : Natural Resources Defense Council

NSDWR : National Secondary Drinking Water Regulations

NSEC : National System for Emergency Coordination

NSEP : National System for Emergency Preparedness

NSPS : New Source Performance Standards

NSR : New Source Review

NSR/PSD : National Source Review/Prevention of Significant Deterioration

NTI : National Toxics Inventory

NTIS : National Technical Information Service

NTNCWS : Non-Transient Non-Community Water System

NTP : National Toxicology Program

NTU : Nephlometric Turbidity Unit

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O

O3 : Ozone

OAQPS : Office of Air Quality Planning and Standards

OCD : Offshore and Coastal Dispersion

ODP : Ozone-Depleting Potential

ODS : Ozone-Depleting Substances

OECA : Office of Enforcement and Compliance Assurance

OECD : Organization for Economic Cooperation and Development

OF : Optional Form

OI : Order for Information

OLC : Office of Legal Counsel

OLTS : On Line Tracking System

O&M : Operations and Maintenance

ORE : Office of Regulatory Enforcement

ORM : Other Regulated Material

ORP : Oxidation-Reduction Potential

OTAG : Ozone Transport Assessment Group

OTC : Ozone Transport Commission

OTIS : Online Tracking Information System

OTR : Ozone Transport Region

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P

P2 : Pollution Prevention

PAG : Pesticide Assignment Guidelines

PAH : Polynuclear Aromatic Hydrocarbons

PAl : Performance Audit Inspection (CWA); Pure Active Ingredient compound

PAM : Pesticide Analytical Manual

PAMS : Photochemical Assessment Monitoring Stations

PAT : Permit Assistance Team (RCRA)

PATS : Pesticide Action Tracking System; Pesticides Analytical Transport Solution

Pb : Lead

PBA : Preliminary Benefit Analysis (BEAD)

PCA : Principle Component Analysis

PCB : Polychlorinated Biphenyl

PCE : Perchloroethylene

PCM : Phase Contrast Microscopy

PCN : Policy Criteria Notice

PCO : Pest Control Operator

PCSD : President's Council on Sustainable Development

PDCI : Product Data Call-In

PFC : Perfluorated Carbon

PFCRA : Program Fraud Civil Remedies Act

PHC : Principal Hazardous Constituent

PHI : Pre-Harvest Interval

PHSA : Public Health Service Act

PI : Preliminary Injunction. Program Information

PIC : Products of Incomplete Combustion

PIGS : Pesticides in Groundwater Strategy

PIMS : Pesticide Incident Monitoring System

PIN : Pesticide Information Network

PIN : Procurement Information Notice

PIP : Public Involvement Program

PIPQUIC : Program Integration Project Queries Used in Interactive Command

PIRG : Public Interest Research Group

PIRT : Pretreatment Implementation Review Task Force

PIT : Permit Improvement Team

PITS : Project Information Tracking System

PLIRRA : Pollution Liability Insurance and Risk Retention Act

PLM : Polarized Light Microscopy

PLUVUE : Plume Visibility Model

PM : Particulate Matter

PMAS : Photochemical Assessment Monitoring Stations

PM2.5 : Particulate Matter Smaller than 2.5 Micrometers in Diameter

PM10 : Particulate Matter (nominally 10m and less)

PM15 : Particulate Matter (nominally 15m and less)

PMEL : Pacific Marine Environmental Laboratory

PMN : Premanufacture Notification

PMNF : Premanufacture Notification Form

PMR : Pollutant Mass Rate

PMR : Proportionate Mortality Ratio

PMRS : Performance Management and Recognition System

PMS : Program Management System

PNA : Polynuclear Aromatic Hydrocarbons

PO : Project Officer

POC : Point Of Compliance

POE : Point Of Exposure

POGO : Privately-Owned/ Government-Operated

POHC : Principal Organic Hazardous Constituent

POI : Point Of Interception

POLREP :Pollution Report

POM : Particulate Organic Matter. Polycyclic Organic Matter

POP : Persistent Organic Pollutant

POR : Program of Requirements

POTW : Publicly Owned Treatment Works

POV : Privately Owned Vehicle

PP : Program Planning

PPA : Planned Program Accomplishment

PPB : Parts Per Billion

PPE : Personal Protective Equipment

PPG : Performance Partnership Grant

PPIC : Pesticide Programs Information Center

PPIS : Pesticide Product Information System; Pollution Prevention Incentives for States

PPMAP : Power Planning Modeling Application Procedure

PPM/PPB : Parts per million/ parts per billion

PPSP : Power Plant Siting Program

PPT : Parts Per Trillion

PPTH : Parts Per Thousand

PQUA : Preliminary Quantitative Usage Analysis

PR : Pesticide Regulation Notice; Preliminary Review

PRA : Paperwork Reduction Act; Planned Regulatory Action

PRATS : Pesticides Regulatory Action Tracking System

PRC : Planning Research Corporation

PRI : Periodic Reinvestigation

PRM : Prevention Reference Manuals

PRN : Pesticide Registration Notice

PRP : Potentially Responsible Party

PRZM : Pesticide Root Zone Model

PS : Point Source

PSAM : Point Source Ambient Monitoring

PSC : Program Site Coordinator

PSD : Prevention of Significant Deterioration

PSES : Pretreatment Standards for Existing Sources

PSI : Pollutant Standards Index; Pounds Per Square Inch; Pressure Per Square Inch

PSIG : Pressure Per Square Inch Gauge

PSM : Point Source Monitoring

PSNS : Pretreatment Standards for New Sources

PSU : Primary Sampling Unit

PTDIS : Single Stack Meteorological Model in EPA UNAMAP Series

PTE : Potential to Emit

PTFE : Polytetrafluoroethylene (Teflon)

PTMAX : Single Stack Meteorological Model in EPA UNAMAP series

PTPLU : Point Source Gaussian Diffusion Model

PUC : Public Utility Commission

PV : Project Verification

PVC : Polyvinyl Chloride

PWB : Printed Wiring Board

PWS : Public Water Supply/ System

PWSS : Public Water Supply System

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Q

QAC : Quality Assurance Coordinator

QA/QC : Quality Assistance/ Quality Control

QAMIS : Quality Assurance Management and Information System

QAO : Quality Assurance Officer

QAPP : Quality Assurance Program (or Project) Plan

QAT : Quality Action Team

QBTU : Quadrillion British Thermal Units

QC : Quality Control

QCA : Quiet Communities Act

QCI : Quality Control Index

QCP : Quiet Community Program

QL : Quantification Limit

QNCR : Quarterly Noncompliance Report

QUA : Qualitative Use Assessment

QUIPE : Quarterly Update for Inspector in Pesticide Enforcement

R

RA : Reasonable Alternative; Regulatory Alternatives; Regulatory Analysis; Remedial Action; Resource Allocation; Risk Analysis; Risk Assessment

RAATS : RCRA Administrate Action Tracking System

RAC : Radiation Advisory Committee. Raw Agricultural Commodity; Regional Asbestos Coordinator. Response Action Coordinator

RACM : Reasonably Available Control Measures

RACT : Reasonably Available Control Technology

RAD : Radiation Adsorbed Dose (unit of measurement of radiation absorbed by humans)

RADM : Random Walk Advection and Dispersion Model; Regional Acid Deposition Model

RAM : Urban Air Quality Model for Point and Area Source in EPA UNAMAP Series

RAMP : Rural Abandoned Mine Program

RAMS : Regional Air Monitoring System

RAP : Radon Action Program; Registration Assessment Panel; Remedial Accomplishment Plan; Response Action Plan

RAPS : Regional Air Pollution Study

RARG : Regulatory Analysis Review Group

RAS : Routine Analytical Service

RAT : Relative Accuracy Test

RB : Request for Bid

RBAC : Re-use Business Assistance Center

RBC : Red Blood Cell

RC : Responsibility Center

RCC : Radiation Coordinating Council

RCDO : Regional Case Development Officer

RCO : Regional Compliance Officer

RCP : Research Centers Program

RCRA : Resource Conservation and Recovery Act

RCRIS : Resource Conservation and Recovery Information System

RD/RA : Remedial Design/ Remedial Action

R&D : Research and Development

RD&D : Research, Development and Demonstration

RDF : Refuse-Derived Fuel

RDNA : Recombinant DNA

RDU : Regional Decision Units

RDV : Reference Dose Values

RE : Reasonable Efforts; Reportable Event

REAP : Regional Enforcement Activities Plan

REE : Rare Earth Elements

REEP : Review of Environmental Effects of Pollutants

RECLAIM : Regional Clean Air Initiatives Marker

RED : Reregistration Eligibility Decision Document

REDA : Recycling Economic Development Advocate

ReFIT : Reinvention for Innovative Technologies

REI : Restricted Entry Interval

REM: (Roentgen Equivalent Man)

REM/FIT : Remedial/Field Investigation Team

REMS : RCRA Enforcement Management System

REP : Reasonable Efforts Program

REPS : Regional Emissions Projection System

RESOLVE : Center for Environmental Conflict Resolution

RF : Response Factor

RFA : Regulatory Flexibility Act

RFB : Request for Bid

RfC : Reference Concentration

RFD : Reference Dose Values

RFI : Remedial Field Investigation

RFP : Reasonable Further Programs. Request for Proposal

RHRS : Revised Hazard Ranking System

RI : Reconnaissance Inspection

RI : Remedial Investigation

RIA : Regulatory Impact Analysis; Regulatory Impact Assessment

RIC : Radon Information Center

RICC : Retirement Information and Counseling Center

RICO : Racketeer Influenced and Corrupt Organizations Act

RI/FS : Remedial Investigation/ Feasibility Study

RIM : Regulatory Interpretation Memorandum

RIN : Regulatory Identifier Number

RIP : RCRA Implementation Plan

RISC : Regulatory Information Service Center

RJE : Remote Job Entry

RLL : Rapid and Large Leakage (Rate)

RMCL : Recommended Maximum Contaminant Level (this phrase being discontinued in favor of MCLG)

RMDHS : Regional Model Data Handling System

RMIS : Resources Management Information System

RMP : Risk Management Plan

RNA : Ribonucleic Acid

ROADCHEM : Roadway Version that Includes Chemical Reactions of BI, NO 2 , and O 3

ROADWAY : A Model to Predict Pollutant Concentrations Near a Roadway

ROC : Record Of Communication

RODS : Records Of Decision System

ROG : Reactive Organic Gases

ROLLBACK : A Proportional Reduction Model

ROM : Regional Oxidant Model

ROMCOE : Rocky Mountain Center on Environment

ROP : Rate of Progress; Regional Oversight Policy

ROPA : Record Of Procurement Action

ROSA : Regional Ozone Study Area

RP : Radon Progeny Integrated Sampling. Respirable Particulates. Responsible Party

RPAR : Rebuttable Presumption Against Registration

RPM : Reactive Plume Model. Remedial Project Manager

RQ : Reportable Quantities

RRC : Regional Response Center

RRT : Regional Response Team; Requisite Remedial Technology

RS : Registration Standard

RSCC : Regional Sample Control Center

RSD : Risk-Specific Dose

RSE : Removal Site Evaluation

RTCM : Reasonable Transportation Control Measure

RTDF : Remediation Technologies Development Forum

RTDM : Rough Terrain Diffusion Model

RTECS : Registry of Toxic Effects of Chemical Substances

RTM : Regional Transport Model

RTP : Research Triangle Park

RUP : Restricted Use Pesticide

RVP : Reid Vapor Pressure

RWC : Residential Wood Combustion

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S

S&A : Sampling and Analysis. Surveillance and Analysis

SAB : Science Advisory Board

SAC : Suspended and Cancelled Pesticides

SAEWG : Standing Air Emissions Work Group

SAIC : Special-Agents-In-Charge

SAIP : Systems Acquisition and Implementation Program

SAMI : Southern Appalachian Mountains Initiative

SAMWG : Standing Air Monitoring Work Group

SANE : Sulfur and Nitrogen Emissions

SANSS : Structure and Nomenclature Search System

SAP : Scientific Advisory Panel

SAR : Start Action Request. Structural Activity Relationship (of a qualitative assessment)

SARA : Superfund Amendments and Reauthorization Act of 1986

SAROAD : Storage and Retrieval Of Aerometric Data

SAS : Special Analytical Service. Statistical Analysis System

SASS : Source Assessment Sampling System

SAV : Submerged Aquatic Vegetation

SBC : Single Breath Cannister

SC : Sierra Club

SCAP : Superfund Consolidated Accomplishments Plan

SCBA : Self-Contained Breathing Apparatus

SCC : Source Classification Code

SCD/SWDC : Soil or Soil and Water Conservation District

SCFM : Standard Cubic Feet Per Minute

SCLDF : Sierra Club Legal Defense Fund

SCR : Selective Catalytic Reduction

SCRAM : State Consolidated RCRA Authorization Manual

SCRC : Superfund Community Relations Coordinator

SCS : Supplementary Control Strategy/System

SCSA : Soil Conservation Society of America

SCSP : Storm and Combined Sewer Program

SCW : Supercritical Water Oxidation

SDC : Systems Decision Plan

SDWA : Safe Drinking Water Act

SDWIS : Safe Drinking Water Information System

SBS : Sick Building Syndrome

SEA : State Enforcement Agreement

SEA : State/EPA Agreement

SEAM : Surface, Environment, and Mining

SEAS : Strategic Environmental Assessment System

SEDS : State Energy Data System

SEGIP : State Environmental Goals and Improvement Project

SEIA : Socioeconomic Impact Analysis

SEM : Standard Error of the Means

SEP : Standard Evaluation Procedures

SEP : Supplementary Environmental Project

SEPWC : Senate Environment and Public Works Committee

SERC : State Emergency Planning Commission

SES : Secondary Emissions Standard

SETAC : Society for Environmental Toxicology and Chemistry

SETS : Site Enforcement Tracking System

SF : Standard Form. Superfund

SFA : Spectral Flame Analyzers

SFDS : Sanitary Facility Data System

SFFAS : Superfund Financial Assessment System

SFIP : Sector Facility Indexing Project

SFIREG : State FIFRA Issues Research and Evaluation Group

SFS : State Funding Study

SHORTZ : Short Term Terrain Model

SHWL : Seasonal High Water Level

SI : International System of Units. Site Inspection. Surveillance Index. Spark Ignition

SIC : Standard Industrial Classification

SICEA : Steel Industry Compliance Extension Act

SIMS : Secondary Ion-Mass Spectrometry

SIP : State Implementation Plan

SITE : Superfund Innovative Technology Evaluation

SLAMS : State/Local Air Monitoring Station

SLN : Special Local Need

SLSM : Simple Line Source Model

SMART : Simple Maintenance of ARTS

SMCL : Secondary Maximum Contaminant Level

SMCRA : Surface Mining Control and Reclamation Act

SME : Subject Matter Expert

SMO : Sample Management Office

SMOA : Superfund Memorandum of Agreement

SMP : State Management Plan

SMR : Standardized Mortality Ratio

SMSA : Standard Metropolitan Statistical Area

SNA : System Network Architecture

SNAAQS : Secondary National Ambient Air Quality Standards

SNAP : Significant New Alternatives Project; Significant Noncompliance Action Program

SNARL : Suggested No Adverse Response Level

SNC : Significant Noncompliers

SNUR : Significant New Use Rule

SOČ : Sulfur Dioxide

SOC : Synthetic Organic Chemicals

SOCMI : Synthetic Organic Chemicals Manufacturing Industry

SOFC : Solid Oxide Fuel Cell

SOTDAT : Source Test Data

SOW : Scope Of Work

SPAR : Status of Permit Application Report

SPCC : Spill Prevention, Containment, and Countermeasure

SPE : Secondary Particulate Emissions

SPF : Structured Programming Facility

SPI : Strategic Planning Initiative

SPLMD : Soil-pore Liquid Monitoring Device

SPMS : Strategic Planning and Management System; Special Purpose Monitoring Stations

SPOC : Single Point Of Contact

SPS : State Permit System

SPSS : Statistical Package for the Social Sciences

SPUR : Software Package for Unique Reports

SQBE : Small Quantity Burner Exemption

SQG : Small Quantity Generator

SR : Special Review

SRAP : Superfund Remedial Accomplishment Plan

SRC : Solvent-Refined Coal

SRF : State Revolving Fund

SRM : Standard Reference Method

SRP : Special Review Procedure

SRR : Second Round Review. Submission Review Record

SRTS : Service Request Tracking System

SS : Settleable Solids. Superfund Surcharge. Suspended Solids

SSA : Sole Source Aquifer

SSAC : Soil Site Assimilated Capacity

SSC : State Superfund Contracts

SSD : Standards Support Document

SSEIS : Standard Support and Environmental Impact Statement;. Stationary Source Emissions and Inventory System.

SSI : Size Selective Inlet

SSMS : Spark Source Mass Spectrometry

SSO : Sanitary Sewer Overflow; Source Selection Official

SSRP : Source Reduction Review Project

SSTS : Section Seven Tracking System

SSURO : Stop Sale, Use and Removal Order

STALAPCO : State and Local Air-Pollution Control Officials

STAPPA : State and Territorial Air Pollution

STAR : Stability Wind Rose. State Acid Rain Projects

STARS : Strategic Targeted Activities for Results System

STEL : Short Term Exposure Limit

STEM : Scanning Transmission-Electron Microscope

STN : Scientific and Technical Information Network

STORET : Storage and Retrieval of Water-Related Data

STP : Sewage Treatment Plant. Standard Temperature and Pressure

STTF : Small Town Task Force (EPA)

SUP : Standard Unit of Processing

SURE : Sulfate Regional Experiment Program

SV : Sampling Visit; Significant Violater

SW : Slow Wave

SWAP : Source Water Assessment Program

SWARF : Waste from Metal Grinding Process

SWC : Settlement With Conditions

SWDA : Solid Waste Disposal Act

SWIE : Southern Waste Information Exchange

SWMU : Solid Waste Management Unit

SWPA : Source Water Protection Area

SWQPPP : Source Water Quality Protection Partnership Petitions

SWTR : Surface Water Treatment Rule

SYSOP : Systems Operator

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T

TAD : Technical Assistance Document

TAG : Technical Assistance Grant

TALMS : Tunable Atomic Line Molecular Spectroscopy

TAMS : Toxic Air Monitoring System

TAMTAC : Toxic Air Monitoring System Advisory Committee

TAP : Technical Assistance Program

TAPDS : Toxic Air Pollutant Data System

TAS : Tolerance Assessment System

TBT : Tributyltin

TC : Target Concentration. Technical Center. Toxicity Characteristics. Toxic Concentration:

TCDD : Dioxin (Tetrachlorodibenzo-p-dioxin)

TCDF : Tetrachlorodi-benzofurans

TCE : Trichloroethylene

TCF : Total Chlorine Free

TCLP : Total Concentrate Leachate Procedure. Toxicity Characteristic Leachate Procedure

TCM : Transportation Control Measure

TCP : Transportation Control Plan; Trichloropropane;

TCRI : Toxic Chemical Release Inventory

TD : Toxic Dose

TDS : Total Dissolved Solids

TEAM : Total Exposure Assessment Model

TEC : Technical Evaluation Committee

TED : Turtle Excluder Devices

TEG : Tetraethylene Glycol

TEGD : Technical Enforcement Guidance Document

TEL : Tetraethyl Lead

TEM : Texas Episodic Model

TEP : Typical End-use Product. Technical Evaluation Panel

TERA : TSCA Environmental Release Application

TES : Technical Enforcement Support

TEXIN : Texas Intersection Air Quality Model

TGO : Total Gross Output

TGAI : Technical Grade of the Active Ingredient

TGP : Technical Grade Product

THC : Total Hydrocarbons

THM : Trihalomethane

TI : Temporary Intermittent

TI : Therapeutic Index

TIBL : Thermal Internal Boundary Layer

TIC : Technical Information Coordinator. Tentatively Identified Compounds

TIM : Technical Information Manager

TIP : Technical Information Package

TIP : Transportation Improvement Program

TIS : Tolerance Index System

TISE : Take It Somewhere Else

TITC : Toxic Substance Control Act Interagency Testing Committee

TLV : Threshold Limit Value

TLV-C : TLV-Ceiling

TLV-STEL : TLV-Short Term Exposure Limit

TLV-TWA : TLV-Time Weighted Average

TMDL : Total Maximum Daily Limit; Total Maximum Daily Load

TMRC : Theoretical Maximum Residue Contribution

TNCWS : Transient Non-Community Water System

TNT : Trinitrotoluene

TO : Task Order

TOA : Trace Organic Analysis

TOC : Total Organic Carbon/ Compound

TOX : Tetradichloroxylene

TP : Technical Product; Total Particulates

TPC : Testing Priorities Committee

TPI : Technical Proposal Instructions

TPQ : Threshold Planning Quantity

TPSIS : Transportation Planning Support Information System

TPTH : Triphenyltinhydroxide

TPY : Tons Per Year

TQM : Total Quality Management

T-R : Transformer-Rectifier

TRC : Technical Review Committee

TRD : Technical Review Document

TRI : Toxic Release Inventory

TRIP : Toxic Release Inventory Program

TRIS : Toxic Chemical Release Inventory System

TRLN : Triangle Research Library Network

TRO : Temporary Restraining Order

TSA : Technical Systems Audit

TSCA : Toxic Substances Control Act

TSCATS : TSCA Test Submissions Database

TSCC : Toxic Substances Coordinating Committee

TSD : Technical Support Document

TSDF : Treatment, Storage, and Disposal Facility

TSDG : Toxic Substances Dialogue Group

TSI : Thermal System Insulation

TSM : Transportation System Management

TSO : Time Sharing Option

TSP : Total Suspended Particulates

TSS : Total Suspended (non-filterable) Solids

TTFA : Target Transformation Factor Analysis

TTHM : Total Trihalomethane

TTN : Technology Transfer Network

TTO : Total Toxic Organics

TTY : Teletypewriter

TVA : Tennessee Valley Authority

TVOC : Total Volatile Organic Compounds

TWA : Time Weighted Average

TWS : Transient Water System

TZ : Treatment Zone

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U

UAC : User Advisory Committee

UAM : Urban Airshed Model

UAO : Unilateral Administrative Order

UAPSP : Utility Acid Precipitation Study Program

UAQI : Uniform Air Quality Index

UARG : Utility Air Regulatory Group

UCC : Ultra Clean Coal

UCCI : Urea-Formaldehyde Foam Insulation

UCL : Upper Control Limit

UDMH : Unsymmetrical Dimethyl Hydrazine

UEL : Upper Explosive Limit

UF : Uncertainty Factor

UFL : Upper Flammability Limit

ug/m3 : Micrograms Per Cubic Meter

UIC : Underground Injection Control

ULEV : Ultra Low Emission Vehicles

UMTRCA : Uranium Mill Tailings Radiation Control Act

UNAMAP : Users' Network for Applied Modeling of Air Pollution

UNECE : United Nations Economic Commission for Europe

UNEP : United Nations Environment Program

USC : Unified Soil Classification

USDA : United States Department of Agriculture

USDW : Underground Sources of Drinking Water

USFS : United States Forest Service

UST : Underground Storage Tank

UTM : Universal Transverse Mercator

UTP : Urban Transportation Planning

UV : Ultraviolet

UVA, UVB, UVC : Ultraviolet Radiation Bands

UZM : Unsaturated Zone Monitoring

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V

VALLEY : Meteorological Model to Calculate Concentrations on Elevated Terrain

VCM : Vinyl Chloride Monomer

VCP : Voluntary Cleanup Program

VE : Visual Emissions

VEO : Visible Emission Observation

VHS : Vertical and Horizontal Spread Model

VHT : Vehicle-Hours of Travel

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

VKT : Vehicle Kilometers Traveled

VMT : Vehicle Miles Traveled

VOC : Volatile Organic Compounds

VOS : Vehicle Operating Survey

VOST : Volatile Organic Sampling Train

VP : Vapor Pressure

VSD : Virtually Safe Dose

VSI : Visual Site Inspection

VSS : Volatile Suspended Solids

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W

WA : Work Assignment

WADTF : Western Atmospheric Deposition Task Force

WAP : Waste Analysis Plan

WAVE : Water Alliances for Environmental Efficiency

WB : Wet Bulb

WCED : World Commission on Environment and Development

WDROP : Distribution Register of Organic Pollutants in Water

WENDB : Water Enforcement National Data Base

WERL : Water Engineering Research Laboratory

WET : Whole Effluent Toxicity test

WHO : World Health Organization

WHP : Wellhead Protection Program

WHPA : Wellhead Protection Area

WHWT : Water and Hazardous Waste Team

WICEM : World Industry Conference on Environmental Management

WL : Warning Letter; Working Level (radon measurement)

WLA/TMDL : Wasteload Allocation/Total Maximum Daily Load

WLM : Working Level Months

WMO : World Meteorological Organization

WP : Wettable Powder

WPCF : Water Pollution Control Federation

WQS : Water Quality Standard

WRC : Water Resources Council

WRDA : Water Resources Development Act

WRI : World Resources Institute

WS : Work Status

WSF : Water Soluble Fraction

WSRA : Wild and Scenic Rivers Act

WSTB : Water Sciences and Technology Board

WSTP : Wastewater Sewage Treatment Plant

WWEMA : Waste and Wastewater Equipment Manufacturers Association

WWF : World Wildlife Fund

WWTP : Wastewater Treatment Plant

WWTU : Wastewater Treatment Unit

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Z

ZEV : Zero Emissions Vehicle

ZHE : Zero Headspace Extractor

ZOI : Zone Of Incorporation

ZRL : Zero Risk Level

This page was updated on 4-Mar-2014