Terms & Abbreviations of Environment

A

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.

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

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: 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

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

 

E

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

EAF: Electric Arc Furnaces

EAG: Exposure Assessment Group

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

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

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

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

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

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

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

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

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

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

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.

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

M

MAC: Mobile Air Conditioner

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

MRF: Materials Recovery Facility

MRID: Master Record Identification number

MRL: Maximum-Residue Limit (Pesticide Tolerance)

MSW: Municipal Solid Waste

MTD: Maximum Tolerated Dose

MUP: Manufacturing-Use Product

MUTA: Mutagenicity

MWC: Machine Wet Cleaning

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

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

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

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

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

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

NTI: National Toxics Inventory

NTIS: National Technical Information Service

NTNCWS: Non-Transient Non-Community Water System

NTP: National Toxicology Program

NTU: Nephlometric Turbidity Unit

O

O3: Ozone

OCD: Offshore and Coastal Dispersion

ODP: Ozone-Depleting Potential

ODS: Ozone-Depleting Substances

OECD: Organization for Economic Cooperation and Development

OF: Optional Form

OLTS: On Line Tracking System

O&M: Operations and Maintenance

ORM: Other Regulated Material

ORP: Oxidation-Reduction Potential

OTAG: Ozone Transport Assessment Group

OTC: Ozone Transport Commission

OTR: Ozone Transport Region

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

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

RNA: Ribonucleic Acid

ROADCHEM: Roadway Version that Includes Chemical Reactions of BI, NO2, and O3

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

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

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

SO: 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

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

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

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

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

Z

ZEV: Zero Emissions Vehicle

ZHE: Zero Headspace Extractor

ZOI: Zone Of Incorporation

ZRL: Zero Risk Level