Abbreviations & Acronyms: A-D
Note: Some acronyms have more than one meaning. Multiple meanings are listed, separated by semi-colons.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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.
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
CA: Citizen Act. Competition Advocate. Cooperative Agreements. Corrective Action
CAA: Clean Air Act; Compliance Assurance Agreement
CAAA: Clean Air Act Amendments
CAER: Community Awareness and Emergency Response
CAFE: Corporate Average Fuel Economy
CAFO: Concentrated Animal Feedlot; Consent Agreement/Final Order
CAG: Carcinogenic Assessment Group
CAIR: Clean Air Interstate Rule: Comprehensive Assessment of Information Rule
CALINE: California Line Source Model
CAM: Compliance Assurance Monitoring rule; Compliance Assurance Monitoring
CAMP: Continuous Air Monitoring Program
CAN: Common Account Number
CAO: Corrective Action Order
CAP: Corrective Action Plan. Cost Allocation Procedure. Criteria Air Pollutant
CAPMoN: Canadian Air and Precipitation Monitoring Network
CAR: Corrective Action Report
CAS: Center for Automotive Safety; Chemical Abstract Service
CASAC: Clean Air Scientific Advisory Committee
CASLP: Conference on Alternative State and Local Practices
CASTNet: Clean Air Status and Trends Network
CATS: Corrective Action Tracking System
CAU: Carbon Adsorption Unit; Command Arithmetic Unit
CB: Continuous Bubbler
CBA: Chesapeake Bay Agreement. Cost Benefit Analysis
CBD: Central Business District
CBEP: Community Based Environmental Project
CBI: Compliance Biomonitoring Inspection; Confidential Business Information
CBOD: Carbonaceous Biochemical Oxygen Demand
CBP: Chesapeake Bay Program; County Business Patterns
CCA: Competition in Contracting Act
CCAA: Canadian Clean Air Act
CCAP: Center for Clean Air Policy; Climate Change Action Plan
CCEA: Conventional Combustion Environmental Assessment
CCHW: Citizens Clearinghouse for Hazardous Wastes
CCID: Confidential Chemicals Identification System
CCMS/NATO: Committee on Challenges of a Modern Society/North Atlantic Treaty Organization
CCP: Composite Correction Plan
CC/RTS:Chemical Collection/ Request Tracking System
CCTP: Clean Coal Technology Program
CD: Climatological Data
CDB: Consolidated Data Base
CDBA: Central Data Base Administrator
CDBG: Community Development Block Grant
CDD: Chlorinated dibenzo-p-dioxin
CDF: Chlorinated dibenzofuran
CDHS: Comprehensive Data Handling System
CDI: Case Development Inspection
CDM: Climatological Dispersion Model; Comprehensive Data Management
CDMQC: Climatological Dispersion Model with Calibration and Source Contribution
CDNS: Climatological Data National Summary
CDP: Census Designated Places
CDS: Compliance Data System
CE: Categorical Exclusion. Conditionally Exempt Generator
CEA: Cooperative Enforcement Agreement; Cost and Economic Assessment
CEAT: Contractor Evidence Audit Team
CEARC: Canadian Environmental Assessment Research Council
CEB: Chemical Element Balance
CEC: Commission for Environmental Cooperation
CECATS: CSB Existing Chemicals Assessment Tracking System
CEE: Center for Environmental Education
CEEM: Center for Energy and Environmental Management
CEI: Compliance Evaluation Inspection
CELRF: Canadian Environmental Law Research Foundation
CEM: Continuous Emission Monitoring
CEMS: Continuous Emission Monitoring System
CEPA: Canadian Environmental Protection Act
CEPP: Chemical Emergency Preparedness Plan
CEQ: Council on Environmental Quality
CERCLA: Comprehensive Environmental Response, Compensation, and Liability Act (1980)
CERCLIS: Comprehensive Environmental Response, Compensation, and Liability Information System
CERT: Certificate of Eligibility
CESQG: Conditionally Exempt Small Quantity Generator
CEST: Community Environmental Service Teams
CF: Conservation Foundation
CFC: Chlorofluorocarbons
CFM: Chlorofluoromethanes
CFR: Code of Federal Regulations
CHABA: Committee on Hearing and Bio-Acoustics
CHAMP: Community Health Air Monitoring Program
CHEMNET: Chemical Industry Emergency Mutual Aid Network
CHESS: Community Health and Environmental Surveillance System
CHIP: Chemical Hazard Information Profiles
CI: Compression Ignition. Confidence Interval
CIAQ: Council on Indoor Air Quality
CIBL: Convective Internal Boundary Layer
CICA: Competition in Contracting Act
CICIS: Chemicals in Commerce Information System
CIDRS: Cascade Impactor Data Reduction System
CIMI: Committee on Integrity and Management Improvement
CIS: Chemical Information System. Contracts Information System
CKD: Cement Kiln Dust
CKRC: Cement Kiln Recycling Coalition
CLC: Capacity Limiting Constituents
CLEANS: Clinical Laboratory for Evaluation and Assessment of Toxic Substances
CLEVER: Clinical Laboratory for Evaluation and Validation of Epidemiologic Research
CLF: Conservation Law Foundation
CLI: Consumer Labelling Initiative
CLIPS: Chemical List Index and Processing System
CLP: Contract Laboratory Program
CM: Corrective Measure
CMA: Chemical Manufacturers Association
CMB: Chemical Mass Balance
CME: Comprehensive Monitoring Evaluation
CMEL: Comprehensive Monitoring Evaluation Log
CMEP: Critical Mass Energy Project
CNG:Compressedd Natural Gas
COCO: Contractor-Owned/ Contractor-Operated
COD: Chemical Oxygen Demand
COH: Coefficient Of Haze
CPDA: Chemical Producers and Distributor Association
CPF: Carcinogenic Potency Factor
CPO: Certified Project Officer
CQA: Construction Quality Assurance
CR: Continuous Radon Monitoring
CROP: Consolidated Rules of Practice
CRP: Child-Resistant Packaging; Conservation Reserve Program
CRR: Center for Renewable Resources
CRSTER: Single Source Dispersion Model
CSCT: Committee for Site Characterization
CSGWPP: Comprehensive State Ground Water Protection Program
CSI: Common Sense Initiative; Compliance Sampling Inspection
CSIN: Chemical Substances Information Network
CSMA: Chemical Specialties Manufacturers Association
CSO: Combined Sewer Overflow
CSPA: Council of State Planning Agencies
CSRL: Center for the Study of Responsive Law
CTARC: Chemical Testing and Assessment Research Commission
CTG: Control Techniques Guidelines
CTSA: Cleaner TechnologiesSubstitutess Assessment
CV: Chemical Vocabulary
CVS: Constant Volume Sampler
CW: Continuous working-level monitoring
CWA: Clean Water Act (aka FWPCA)
CWAP: Clean Water Action Project
CWTC: Chemical Waste Transportation Council
CZMA: Coastal Zone Management Act
CZARA: Coastal Zone Management Act Reauthorization Amendments
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