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ACRONYMS AND ABBREVIATIONS (Environmental Glossary)
Here is a list of some common environmental acronyms. These acronyms and abbreviations reflect the typical manner in which terms are used, but may not apply to all situations. Federal, State and Local usage may vary. Also see Definitions (Glossary).
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  • AAL Applied Action Levels
  • AAQS Ambient Air Quality Standards
  • ACBM: Asbestos Containing Building Material
  • ACM: Asbestos Containing Material
  • ADI Acceptable Daily Intake
  • ADR: Alternative Dispute Resolution
  • AHERA Asbestos Hazardous Emergency Response Act, 1986 (see TSCA)
  • ALARA As Low As Reasonably Achievable
  • AMSL above mean sea level
  • AO Administrative Order
  • AOC area of concern
  • AQRG Air Quality Control Region
  • ARARs Applicable, Relevant, and Appropriate Requirements
  • ARP Accidental Release Program
  • ARPA Archeological Resource Protection Act
  • AS/SVE air sparging/soil vapor extraction
  • AST Aboveground Storage Tank
  • ASTSWMO Association of State and Territorial Solid Waste Management Officials
  • ATCM Air Toxic Control Measure
  • ATSDR Agency for Toxic Substances and Disease Registry
  • AWQS Ambient Water Quality Standards
  • BACM Best Available Control Measure
  • BACT Best Available Control Technology
  • BAT Best Available Technology
  • BATEA Best Available Technology Economically Achievable
  • BEAC Board of Environmental Health and Safety Officer Certification
  • BOD biochemical oxygen demand
  • Bq becquerel
  • Bq/g becquerel per gram
  • Bq/L becquerel per liter
  • BTEX Benzene, Toluene, Ethel benzene & Xylene
  • Btu British thermal units
  • CAA Clean Air Act
  • CAA Clean Air Act Amendments (1990)
  • CAMU Corrective Action Management Unit
  • Cd Cadmium
  • CEA Certified Environmental Auditor
  • CEG Certified Engineering Geologist
  • CEM Continuous Emission monitoring
  • CEP Certified Environmental Professional (via ABCEP)
  • CEQ Council of Environmental Quality
  • CERCLA Comprehensive Environmental Response, Compensation and Liability Act
  • CERCLIS Comprehensive Environmental Response, Compensation and Liability Information System
  • CESQG Conditionally Exempt Small Quantity Generator (RCRA)
  • CFC Chlorofluorcarbon (e.g., CFC-11 which is an ozone-depleting refrigerant)
  • CGS CT General Statutes
  • cfm, cfs cubic feet per minute, per second
  • CFR U.S. Code of Federal Regulations
  • CGL Comprehensive General Liability Insurance
  • CGS CT General Statutes
  • Ci curie
  • CNG Compressed Natural Gas
  • CO Consent Order
  • COD Chemical Oxygen Demand
  • COH Coefficient of Haze
  • Cr Chromium
  • CRMP Cultural Resource Management Plan
  • Cs cesium
  • CSP Certified Safety Professional
  • CWA Clean Water Act
  • CY calendar year
  • D2O heavy water
  • DAC Derived Air Concentration
  • DCA 1,1-dichloroethane
  • DCE 1,1-dichloroethylene
  • DCG derived concentration guide
  • D&D decontamination and decommissioning
  • DDD dichlorodiphenyldichloroethane
  • DDE dichlorodiphenyldichloroethylene
  • DDT dichlorodiphenyltrichloroethane
  • DEP CT Department of Environmental Protection
  • DHS Department of Health Services
  • DMR Discharge Monitoring Report
  • DNAPL Dense Non Aqueous Phase Liquid
  • DQO Data Quality Objective
  • DRE Destruction/Removal Efficiency
  • DWS Drinking Water Standards
  • EA Environmental Assessment
  • ECRA Environmental Cleanup Responsibility Act (e.g., New Jersy)
  • EDB ethylene dibromide
  • EDE Effective Dose Equivalent
  • EDTA ethylenediaminetetraacetic acid
  • EE/CA Engineering Evaluation/Cost Analysis
  • EIL Environmental Impairment Liability Insurance
  • EIS Environmental Impact Statement (NEPA)
  • ELAP Environmental Laboratory Approval Program
  • EML Environmental Measurements Laboratory
  • EMP Environmental Monitoring Plan
  • EMS Environmental Management System
  • EPA U.S. Environmental Protection Agency
  • EPCRA Emergency Planning and Community Right-to-Know Act
  • ERA Environmental Risk Assessment
  • ES&H environment, safety, and health
  • ESA Endangered Species Act 15 USC Section 1531 et seq.
  • ESH&Q Environment, Safety, Health, and Quality
  • ESP Electrostatic Precipitators
  • FDA Food and Drug Administration
  • FEMA Federal Emergency management Agency
  • FFCA Federal Facilities Compliance Act
  • FIFRA Federal Insecticide, Fungicide, and Rodenticide Act, 7 USC Section 136 et seq.
  • FOIA Freedom of Information Act
  • FONSI Finding of No Significant Impact (NEPA)
  • FRP Facility Response Plan
  • FS Feasibility Study (CERCLA)
  • FTU Fixed Treatmnet Unit
  • FWPCA Federal Water Pollution Control Act, 33 U.S.C. section 466 et seq. as amended
  • FWS U.S. Fish & Wildlife Service
  • FY fiscal year
  • GAC Granual Activated Carbon
  • GACT Generally Available Control Technology
  • GBq giga (billion or E+09) becquerel
  • GAB gross alpha and beta
  • GC/ECD gas chromatography/electron capture detector
  • GC/MS gas chromatography/mass spectrometry
  • GDS Groundwater Discharge Standard
  • GeV giga (billion) electron volts
  • gge gas gallon equivalent
  • GIS Geographical Information System
  • GLC Ground Level Concentration
  • GWh gigawatt hour
  • GWPS Groundwater Protection Standard
  • HAPs Hazardous Air Pollutants (CAA)
  • HAZOP Hazard and Operability STudy
  • HCFC Hydrochlorofluorocabons
  • HEPA high efficiency particulate air
  • HHW Household Hazardous Waste
  • HMIS Hazardous Materials Inventory Statement
  • HMTA Hazardous Materials Transportation Act, 49 USC Section 1801 et seq.; 49 CFR
  • HRA Health Risk Assessment
  • HRS Hazard Ranking System (CERCLA)
  • HSP Health and Safety Plan
  • HTO tritiated water (liquid or vapor)
  • HWMU Hazardous Waste Management Unit (RCRA)
  • HVAC heating/ventilation/air conditioning
  • I Iodine
  • IAEA I nternational Atomic Energy Agency
  • IC ion chromatography
  • ICP/MS inductively coupled plasma/mass spectrometry
  • IPM Integrated Pest Management
  • ISO International Organization for Standardization
  • ISO 14001: International EMS Standard

  • K potassium
  • kBq kilobecquerels (1,000 Bq)
  • KeV kilo (thousand) electron volts
  • Kr kryptonite
  • kwH kilowatt hours
  • LAER Lowest Achievable Emission Rate
  • LD50 Lethal Dose 50%
  • LDR Land Disposal Restriction
  • LED Light emitting diode
  • LEED Leadership in Energy and Environmental Design
  • LEL Lower Explosive Limit
  • LEP Licensed Environmental Professional (CT)
  • LLRWPA Low Level Radioactive Waste Policy Act, 42 USC
  • LNAPL Liight Non Aqueous Phase Liquid
  • LSTPD Laboratory Science Teacher Professional Development
  • LUST Leaking Underground Storage Tank
  • MACT Maximum Available Control Technology
  • MAPEP Mixed Analyte Performance Evaluation Program
  • MCL maximum contaminant level
  • MCLG Maximum Contaminant Level Goal (SDWA)
  • MDL minimum detection limit
  • MEI maximally exposed individual
  • MEK Methyl Ethyl Ketone (2-butanone)
  • MeV million electron volts
  • MGD million gallons per day
  • mg/L milligrams per liter
  • MIR Maximum Incremental Reactivity
  • MMBtu million British thermal units
  • MOA Memorandum of Agreement
  • MOU Memorandum of Understanding
  • MPF Major Petroleum Facility
  • MPN most probable number
  • MPRSA Marine Protection, Research and Sanctuaries Act. 16 USC Section 1431 et seq.
  • mrem milli (thousandth of a) rem
  • MS Mass Spectrometry or Spectrometer
  • MSDS Material Safety Data Sheets, 29 CFR Section 1910.1200©; Labor Code Section 6374
  • MSL mean sea level
  • mSv millisievert
  • MTBE methyl tertiary butyl ether
  • MW megawatt
  • μg/L micrograms per liter
  • NAAQS National Ambient Air Quality Standards
  • NCRP National Council on Radiation Protection and Measurements
  • ND not detected
  • NELAP National Environmental Laboratory Accreditation Program
  • NEPA National Environmental Policy Act, 42 USC Section 4321
  • NESHAPs National Emission Standards for Hazardous Air Pollutants
  • ng/J nano (one-billionth) gram per Joule
  • NHPA National Historic Preservation Act
  • NIMBY Not In My Backyard (syndrome)
  • NIOSH National Institute for Occupational Safety & Health
  • NIST National Institute for Standards and Technology
  • NFA No Further Action
  • NOAEL No-Observed-Adverse-Effect-Level
  • NOEL No Observed Effect Level
  • NO2 nitrogen dioxide
  • NOV Notice of Violation
  • NOX nitrogen oxides
  • NOEC no observable effect concentration
  • NPDES National Pollutant Discharge Elimination System (CWA)
  • NPL National Priority List (CERCLA)
  • NRC National Response Center
  • NRMP Natural Resource Management Plan
  • NSPS New Source Performance Standards
  • NTIS National Technical Information Service

  • O3 ozone
  • ODS ozone-depleting substances
  • O&M Operation and Maintenance
  • OMB Office of Management and Budget
  • OPA Oil Pollution Act of 1990 (Federal), 33 U.S.C. 2702-2761
  • ORC oxygen-releasing compound
  • ORPS Occurrence Reporting and Processing System
  • OU operable unit

  • P2 pollution prevention
  • PAAA Price-Anderson Act Amendment
  • PAH Polynuclear Aromatic Hydrocarbon
  • PA/SI Preliminary Assessment/Site Investigation
  • Pb lead
  • PBT persistent, bioaccumulative, and toxic
  • PCBs polychlorinated biphenyls
  • PCE tetrachloroethylene (or perchloroethylene)
  • pCi/g picocuries per gram
  • PE Professional Engineer
  • PL Public Law
  • PM Particulate Matter
  • ppb parts per billion
  • ppm parts per million
  • POTW Publicly Owned Treatment Works
  • PRP Potentially Responsible Party (Superfund)
  • PSA Preliminary Site Asessment
  • PSD Prevnetion of Significant Deterioration

  • QA quality assurance
  • QAPP Quality Assurance Program Plan
  • QC quality control
  • R-11 (etc.) ozone-depleting refrigerant
  • RA Remedial or Removal Action
  • RACT Reasonably Available Control Technology
  • RARCT Reasonably Available Retrofit Control Technology
  • RAP Remedial Action Plan (CERCLA)
  • RAW Removal Action Workplan
  • RCRA Resource Conservation and Recovery Act, 42 USC Section 6901, 40 CFR
  • RD/RA Remedial Design/Remedial Action
  • REM Registered Environmental Manager (NREP)
  • RF resuspension factor
  • RFA RCRA Facility Assessment
  • RG Registered Geologist
  • ROD Record of Decision (CERCLA)
  • RPD relative percent difference
  • RQ Reportable Quantity (CERCLA and SARA Title III)
  • RWP Radiological Work Permit
  • SARA Superfund Amendments and Reauthorization Act (CERCLA)
  • SARA Title III Emergency Preparedness and Community Right-to-Know Section of SARA, aka EPCRA
  • SAP Sampling and Analysis Plan
  • SCEL Stream Channel Encroachment Lines
  • SDL Source Development Laboratory
  • SDWA Safe Drinking Water Act, 42 USC Section 300 et seq.
  • SI International System (measurement units)
  • SIP State Implementation plan (CAA)
  • SO2 sulfur dioxide
  • SOP standard operating procedure
  • SOX Oxides of Sulfur
  • SPCC Spill Prevention Control and Countermeasures
  • SPDES State Pollutant Discharge Elimination System
  • SQG Small Quantity Generator (RCRA)
  • Sr strontium
  • STEL Short Term Exposure Limit
  • STP Sewage Treatment Plant
  • SU standard unit
  • Sv sievert; unit for assessing radiation dose risk
  • SVE soil vapor extraction
  • SVOC semivolatile organic compound
  • SWMP Stormwater Monitoring Program
  • SWMU Solid Waste management Unit (CERCLA)
  • SWPPP Stormwater Pollution Prevention Program
  • t1/2 half-life
  • TAG Technical Advisory Group
  • TBq tera (trillion, or E+12) becquerel
  • TCA 1,1,1-trichloroethane
  • TCE trichloroethylene
  • TCLP toxicity characteristic leaching procedure (RCRA)
  • TDS Total Dissolved Solids
  • TKN Total Kjeldahl nitrogen
  • TLD thermoluminescent dosimeter
  • TLV Threshold Limit Value
  • TMDL Total Maximum Daily Load
  • TOC Total Organic Carbon
  • TRE Toxic Reduction Evaluation
  • TRI Toxic Release Inventory
  • TSCA Toxic Substances Control Act
  • TVOC total volatile organic compounds
  • USDW Underground Source of Drinking Water
  • UEL Upper Explosive Limit
  • UFC Uniform Fire Code
  • UIC underground injection control, H&S Code section 25159.10, SDWA, RCRA
  • UST underground storage tank
  • VEO Visible Emissions Observation
  • VES Vapor/Vacuum Extraction System
  • VOC volatile organic compound
  • VUV very ultraviolet
  • WAC waste acceptance criteria
  • WAQ Water Quality Act of 1987 (FWPCA)
  • WCPP Waste Certification Program Plan
  • WET Whole Effluent Toxicity
  • WQS Water Quality Standards


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