18.6 2015
A&C: Abatement and Control
A&I: Alternative and Innovative (Wastewater Treatment System)
A&R: Air and Radiation
A/WPR: Air/Water Pollution Report
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
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
ACQR: Air Quality Control Region
ACQUIRE: Aquatic Information Retrieval
ACS: American Chemical Society; Annual Commitment System
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; Air Facility System
AFSICR: Air Facilities System - Information Collection Request
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
AO: Administrative Orders
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
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; Above Ground Storage Tank
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
AWRA: American Water Resources Association
AWT: Advanced Wastewater Treatment
AWWA: American Water Works Association
AWWARF: American Water Works Association Research Foundation.
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: Benefits Analysis Program
BaP: Benzo(a)Pyrene
BART: Best Available Retrofit Technology
BASIS: Battelle's Automated Search Information System
BAT: Best Available Technology
BATEA: Best Available Treatment Economically Achievable
BCPCT: Best Conventional Pollutant Control Technology
BCT: Best 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)
BIA: Bureau of Indian Affairs
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; Bureau of Prisons
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
CA: Citizen Act. Competition Advocate. Cooperative Agreements. Corrective Action, Compliance Assistance
CAA: Clean Air Act; Compliance Assurance Agreement
CAAA: Clean Air Act Amendments
CAC: Compliance Assistance Coordinator
CACDS: Compliance Assistance Conclusion Data Sheet
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; Bureau of Customs and Border Protection
CC/RTS:Chemical Collection/ Request Tracking System
CCA: Competition in Contracting Act
CCAA: Canadian Clean Air Act
CCAP: Center for Clean Air Policy; Climate Change Action Plan
CCDS: Case Conclusion Data Sheet
CCEA: Conventional Combustion Environmental Assessment
CCID: Confidential Chemicals Identification System
CCMS/NATO: Committee on Challenges of a Modern Society/North Atlantic Treaty Organization
CCP: Composite Correction Plan
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
CEARC: Canadian Environmental Assessment Research Council
CEAT: Contractor Evidence Audit Team
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
CCHW: Citizens Clearinghouse for Hazardous Wastes
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
CID: Criminal Investigations Division
CIDRS: Cascade Impactor Data Reduction System
CIMI: Committee on Integrity and Management Improvement
CIP: Compliance Incentive Programs
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
CMS: Compliance Monitoring Strategy
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
CSS: Combined Sewer Systems
CTARC: Chemical Testing and Assessment Research Commission
CTG: Control Techniques Guidelines
CTSA: Cleaner TechnologiesSubstitutess Assessment
CUPA: Certified Unified Program Agencies
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
CZARA: Coastal Zone Management Act Reauthorization Amendments
CZMA: Coastal Zone Management Act
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
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
ECHH: Electro-Catalytic Hyper-Heaters
ECHO: Enforcement and Compliance History Online
EI: Emissions Inventory
EIA: Environmental Impact Assessment. Economic Impact Assessment
EIL: Environmental Impairment Liability
EIR: Endangerment Information Report; Environmental Impact Report
EIS/AS: Emissions Inventory System/Area Source
EIS/PS: Emissions Inventory System/Point Source
EIS: Environmental Impact Statement; Environmental Inventory System
EJ: Environmental Justice
EJAC: Environmental Justice Areas of Concern
EJSEAT: Environmental Justice Strategic Enforcement Assessment Tool
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
EMP: Environmental Management Practices
EMR: Environmental Management Report; Environmental Management Reviews
EMS: Enforcement Management System; Environmental 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
EPA: Environmental Protection Agency
EPAA: Environmental Programs Assistance Act
EPAAR: EPA Acquisition Regulations
EPACASR: EPA Chemical Activities Status Report
EPACT: Environmental Policy Act
EPCA: Energy Policy and Conservation Act
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
ERD&DAA: Environmental Research, Development and Demonstration Authorization Act
ERDA: Energy Research and Development Administration
ERL: Environmental Research Laboratory
ERNS: Emergency Response Notification System
ERP: Enforcement Response Policy; Environmental Results Program
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
ESD: Explanations of Significant Differences
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/M: Food to Microorganism Ratio
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
FCE: Full Compliance Evaluation
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
FEMA: Federal Emergency Management Agency
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
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
FRP: Facility Response Plan
FRS: Formal Reporting System
FS: Feasibility Study
FSA: Food Security Act
FSS: Facility Status Sheet; Federal Supply Schedule
FTE: Full-Time Equivalent
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
G/MI: Grams per mile
GAAP: Generally Accepted Accounting Principles
GAC: Granular Activated Carbon
GACT: Granular Activated Carbon Treatment
GAO: Government Accountability Office
GAW: Global Atmospheric Watch
GC/MS: Gas Chromatograph/ Mass Spectograph
GCC: Global Climate Convention
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
GME: Groundwater Monitoring Evaluation
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
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
HQ: Headquarters
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
HUD: Housing and Urban Development
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
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
I/A: Innovative/Alternative
I/M: Inspection/Maintenance
IA: Interagency Agreement
IAAC: Interagency Assessment Advisory Committee
IAC: Innovative Action Council
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
ICDS: Inspection Conclusion Data Sheet
ICE: Industrial Combustion Emissions Model. Internal Combustion Engine
ICIS - NPDES: Integrated Compliance Information System – National Pollutant Discharge Elimination System
ICIS: Integrated Compliance Information System
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
IG: Inspector General
IGCC: Integrated Gasification Combined Cycle
IGCI: Industrial Gas Cleaning Institute
IINERT: In-Place Inactivation and Natural Restoration Technologies
IIS: Inflationary Impact Statement
IJC: International Joint Commission (on Great Lakes)
IMM: Intersection Midblock Model
IMPACT: Integrated Model of Plumes and Atmosphere in Complex Terrain
IMPROVE: Interagency Monitoring of Protected Visual Environment
INECE: International Network for Environmental Compliance and Enforcement
INPUFF: Gaussian Puff Dispersion Model
INT: Intermittent
IOB: Iron Ore Beneficiation
IOU: Input/Output Unit
IP: Inhalable Particles
IPCC: Intergovernmental Panel on Climate Change
IPCS: International Program on Chemical Safety
IPM: Inhalable Particulate Matter. Integrated Pest Management
IPM: Integrated Pest Management
IPOD: ICIS Policy on Demand
IPP: Implementation Planning Program. Integrated Plotting Package; Inter-media Priority Pollutant (document); Independent Power Producer
IRG: Interagency Review Group
IRIS: Instructional Resources Information System. Integrated Risk Information System
IRLG: Interagency Regulatory Liaison Group (Composed of EPA, CPSC, FDA, and OSHA)
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: Interagency Testing Committee
ITC:Innovative Technology Council
ITRC: Interstate Technology Regulatory Coordination
ITRD: Innovative Treatment Remediation Demonstration
IU: Industrial Users (non-domestic)
IUP: Intended Use Plan
IUR: Inventory Update Rule
IWC: In-Stream Waste Concentration
IWS: Ionizing Wet Scrubber
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
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
LBP: Lead-Based Paint
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 L0: The lowest dosage of a toxic substance that kills test organisms.
LD: Land Disposal. Light Duty
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
LEA: Local Education Authority
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
LGEAN: Local Government Environmental Assistance Network
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
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
MDR: Minimum Data Requirements
MEC: Model Energy Code
MEI: Maximally (or most) Exposed Individual
MEP: Multiple Extraction Procedure
MHDDV: Medium Heavy-Duty Diesel Vehicle
MOA: Memorandum of Agreement
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)
MS4: Municipal Separate Storm Sewer System
MSW: Municipal Solid Waste
MTBE: Methyl tertiary butyl ether
MTD: Maximum Tolerated Dose
MUP: Manufacturing-Use Product
MUTA: Mutagenicity
MWC: Machine Wet Cleaning
N2O: Nitrous Oxide
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
NEJAC: National Environmental Justice Advisory Council
NEPA: National Environmental Policy Act
NEPI: National Environmental Policy Institute
NEPPS: National Environmental Performance Partnership System
NESHAP: National Emission Standard for Hazardous Air Pollutants
NETA: National Environmental Training Association
NETI: National Enforcement Training Institute
NFRAP: No Further Remedial Action Planned
NICT: National Incident Coordination Team
NIEHS: National Institute for Environmental Health Sciences
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
NO²: 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
NORM: Naturally Occurring Radioactive Material
NOV: Notice of Violation
NOx: Nitrogen Oxides
NPCA: National Pest Control Association>
NPDES: National Pollutant Discharge Elimination System
NPHAP: National Pesticide Hazard Assessment Program
NPIRS: National Pesticide Information Retrieval System
NPL: National Priorities List
NPM: National Program Manager
NPMS: National Performance Measures Strategy
NPTN: National Pesticide Telecommunications Network
NRC: National Response Center
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/PSD: National Source Review/Prevention of Significant Deterioration
NSR: New Source Review
NTI: National Toxics Inventory
NTIS: National Technical Information Service
NTNCWS: Non-Transient Non-Community Water System
NTP: National Toxicology Program; National Training Plan
NTU: Nephlometric Turbidity Unit
O&M: Operations and Maintenance
O3: Ozone
OAM: Operation and Maintenance
OAP: Office of Administration and Policy
OAQPS: Office of Air Quality Planning and Standards
OC: Office of Compliance
OCD: Offshore and Coastal Dispersion
OCE: Office of Civil Enforcement
OCEFT: Office of Criminal Enforcement, Forensics and Training
OCFO: Office of Chief Financial Officer
OCIR: Office of Congressional and Intergovernmental Relations
ODP: Ozone-Depleting Potential
ODS: Ozone-Depleting Substances
OECA: Office of Enforcement and Compliance Assurance
OECD: Organization for Economic Cooperation and Development
OEJ: Office of Environmental Justice
OF: Optional Form
OGD: Office of Grants and Disbarment
OI: Order for Information
OIG: Office of the Inspector General
OLC: Office of Legal Counsel
OLTS: On Line Tracking System
OMB: Office of Management and Budget
OPP: Office of Pesticide Programs
OPPTS: Office of Prevention, Pesticides, and Toxic Substances
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
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)
PBT: Persistent Bio-Accumulative Toxics
PCA: Principle Component Analysis
PCB: Polychlorinated Biphenyl
PCE: Perchloroethylene; Partial Compliance Evaluation
PCM: Phase Contrast Microscopy
PCN: Policy Criteria Notice
PCO: Pest Control Operator
PCS: Permit Compliance System
PCSD: President's Council on Sustainable Development
PDCI: Product Data Call-In
PEI: Production Establishment Inspections
PFA: Preliminary Financial Assessments
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
PM10: Particulate Matter (nominally 10m and less)
PM15: Particulate Matter (nominally 15m and less)
PM2.5: Particulate Matter Smaller than 2.5 Micrometers in Diameter
PMAS: Photochemical Assessment Monitoring Stations
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; Performance Partnership Agreement
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
PPM/PPB: Parts per million/ parts per billion
PPMAP: Power Planning Modeling Application Procedure
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; Public Water System Supervision
QA/QC: Quality Assistance/ Quality Control
QAC: Quality Assurance Coordinator
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&D: Research and Development
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
RCRAInfo: Resource Conservation and Recovery Act Information
RCRIS: Resource Conservation and Recovery Information System
RD&D: Research, Development and Demonstration
RD/RA: Remedial Design/ Remedial Action
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
RECAP: Regional Enforcement and Compliance Assurance Program
RECLAIM: Regional Clean Air Initiatives Marker
RED: Reregistration Eligibility Decision Document
REDA: Recycling Economic Development Advocate
REE: Rare Earth Elements
REEP: Review of Environmental Effects of Pollutants
ReFIT: Reinvention for Innovative Technologies
REI: Restricted Entry Interval
REM/FIT: Remedial/Field Investigation Team
REM: (Roentgen Equivalent Man)
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/FS: Remedial Investigation/ Feasibility Study
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
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, 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
RR+P: Renovation, Repair and Painting
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&A: Sampling and Analysis. Surveillance and Analysis
SAAP: Special Appropriations Act Projects
SAB: Science Advisory Board
SAC: Suspended and Cancelled Pesticides; Special Agent-in-Charge
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
SBS: Sick Building Syndrome
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/ODS: Safe Drinking Water Information System/Operational Data System
SDWIS: Safe Drinking Water Information System
SEA: State Enforcement Agreement
SEA: State/EPA Agreement
SEAM: Surface, Environment, and Mining
SEAS: Strategic Environmental Assessment System
SEC: Securities and Exchange Commission
SEDS: State Energy Data System
SEE: Senior Environmental Employment
SEGIP: State Environmental Goals and Improvement Project
SEIA: Socioeconomic Impact Analysis
SEM: Standard Error of the Means
SEP: Standard Evaluation Procedures; 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
SGTM: State Grant Template Measures
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
SITS: Strategy Implementation Teams
SJVAPCD: San Joaquin Valley Air Pollution Control District
SLAMS: State/Local Air Monitoring Station
SLN: Special Local Need
SLPD: Special Litigation and Projects Division
SLSM: Simple Line Source Model
SM: Synthetic Minor
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; Significant Noncompliance
SNUR: Significant New Use Rule
SNY: SNC Yes
SO²: Sulfur Dioxide
SOC: Synthetic Organic Chemicals; Significant Operational Compliance
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; State Review Framework
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
STAG: State and Tribal Assistance Grant
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
SWPPP: Stormwater Pollution Prevention Plan
SWQPPP: Source Water Quality Protection Partnership Petitions
SWTR: Surface Water Treatment Rule
SYSOP: Systems Operator
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
TGAI: Technical Grade of the Active Ingredient
TGO: Total Gross Output
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; Treatment, Storage and Disposal
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
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
UNICOR: trade name of Federal Prison Industries
UPDS: Unified Program Database System
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
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
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
WW: Wet Weather
WWEMA: Waste and Wastewater Equipment Manufacturers Association
WWF: World Wildlife Fund
WWTP: Wastewater Treatment Plant
WWTU: Wastewater Treatment Unit
ZEV: Zero Emissions Vehicle
ZHE: Zero Headspace Extractor
ZOI: Zone Of Incorporation
ZRL: Zero Risk Level