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Indiana Department of Environmental Management

IDEM > About > IDEM Acronyms IDEM Acronyms

  • 304:
  • 319:
    • Section 319 Nonpoint Source Program
  • 401:
  • 404:
  • A:
    • Asbestos (CERFA specific)
  • 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
  • AA:
    • Adverse Action
  • AA:
    • Assistant Administrator
  • AA:
    • Advices of Allowance
  • AA:
    • Associate Administrator
  • AA:
    • Administrative Assistant
  • AA:
    • Atomic Absorption
  • AAA:
  • AAAS:
  • AADT:
    • Annual Average Daily Traffic
  • AAE:
    • American Academy of Environmental Engineers
  • AAEE:
  • AAFES:
  • AAMMS:
    • Ambient Monitoring and Methods Subcommittee
  • AAP:
    • Asbestos Action Program
  • AAPCO:
  • AARC:
  • AAS:
    • Atomic Absorption Spectrophotometer
  • ABEL:
    • EPA's computer model for analyzing a violator's ability to pay a civil penalty
    • More Information
  • ABES:
    • Alliance for Balanced Environmental Solutions
  • AC:
    • Alternating Current
  • AC:
    • Actual Commitment
  • AC:
    • Advisory Circular
  • AC:
  • ACA:
    • American Conservation Association
  • ACBM:
    • Asbestos-Containing Building Material
  • ACE:
    • Any Credible Evidence
  • ACE:
    • Alliance for Clean Energy
  • ACEEE:
  • ACFM:
    • Actual Cubic Feet Per Minute
  • ACIC:
    • American Committee for International Conservation
  • ACL:
    • Analytical Chemistry Laboratory
  • ACL:
    • Alternate Concentration Limit
  • ACM:
    • Assessment of Corrective Measures
  • ACM:
    • Asbestos-Containing Materia
  • ACP:
    • Air Carcinogen Policy
  • ACP:
    • Agriculture Control Program (Water Quality Management)
  • ACQR:
    • Air Quality Control Region
  • ACQUIRE:
    • Aquatic Information Retrieval
  • ACS:
  • 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
  • ADMINCEN:
    • U.S. Army Administrative Center
  • ADP:
    • AHERA Designated Person
  • ADP:
    • Automated Data Processing
  • ADQ:
    • Audits of Data Quality
  • ADR:
    • Alternate Dispute Resolution
  • ADSS:
    • Air Data Screening System
  • ADT:
    • Average Daily Traffic
  • AE:
    • Assessment Endpoint
  • AE:
    • Acute Effect
  • AEA:
  • AEC:
    • Associate Enforcement Counsels
  • AEC:
    • U.S. Army Environmental Center
  • AEE:
    • Alliance for Environmental Education
  • AEERL:
    • Air and Energy Engineering Research Laboratory
  • AEL:
    • Active Exceptions List
  • AEM:
    • Acoustic Emission Monitoring
  • AEO:
    • Annual Energy Outlook
  • AEP:
    • American Electric Power
  • AERE:
  • AERMOD:
    • AMS/EPA Regulatory Model
  • AES:
    • Auger Electron Spectrometry
  • AFA:
  • AFS:
    • AIRS Facility Subsystem
  • AFUG:
    • AIRS Facility Users Group
  • AG:
    • Attorney General
  • AGC:
    • Associate Generals Counsels
  • AGNET:
    • Agricultural and Forestry Network
  • AGO:
  • AH:
    • Allowance Holders
  • AHERA:
    • Asbestos Hazard Emergency Response Act
  • AHU:
    • Air Handling Unit
  • AI:
    • Active Ingredient
  • AI:
    • Artificial Intelligence
  • AIC:
    • Active to Inert Conversion
  • AICE:
  • AICUZ:
    • Air Installation Compatible Use Zones
  • AID:
  • AIG:
    • Assistance Inspector General
  • AIHA:
    • American Industrial Hygiene Association
  • AIHA:
  • AIHC:
  • AIP:
    • Auto Ignition Point
  • AIRMON:
  • AIRS:
  • AL:
    • Acceptable Level
  • AL:
    • Action Level
  • ALA:
    • Delta-Aminolevulinic Acid
  • ALA-O:
    • Delta-Aminolevulinic Acid Dehydrates
  • ALAPO:
  • ALARA:
    • As Low As Reasonably Achievable
  • ALC:
    • Application Limiting Constituent
  • ALF:
    • Abandoned Landfill Facility
  • ALJ:
    • Administrative Law Judge
  • ALMS:
    • Atomic Line Molecular Spectroscopy
  • ALR:
    • Action Leakage Rate
  • AMBIENS:
    • Atmospheric Mass Balance of Industrially Emitted and Natural Sulfur
  • AMD:
    • Acid Mine Drainage
  • AML:
  • 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
  • ANSI:
  • ANSS:
    • American Nature Study Society
  • AO:
    • Area Office
  • AO:
    • Administrative Officer
  • AO:
    • Administrators Office
  • AO:
    • Adminstrative Order (on consent)
  • AO:
    • Agreed Order
  • AOAC:
    • Association of Official Analytical Chemists
  • AOC:
    • Area of Concern
  • AOC:
    • Approximate Original Contour
  • AOC:
    • Abnormal Operating Conditions
  • AOD:
    • Argon-Oxygen Decarbonization
  • AOML:
  • AP:
    • Accounting Point
  • APA:
    • Administrative Procedures Act
  • APC:
    • Air Pollution Control
  • APCA:
    • Air Pollution Control Association
  • APCA:
    • Anthropogenic Pre-Cursor Culpability Assessment
  • APCB:
  • APCD:
    • Air Pollution Control District
  • APDS:
    • Automated Procurement Documentation System
  • APHA:
  • API:
    • American Petroleum Institute
  • APRAC:
    • Urban Diffusion Model for Carbon Monoxide from Motor Vehicle Traffic
  • APTI:
    • Air Pollution Training Institute
  • APWA:
  • AQ-7:
    • Non-reactive Pollutant Modeling
  • AQCCT:
    • Air-Quality Criteria and Control Techniques
  • AQCP:
    • Air Quality Control Program
  • AQCR:
    • Air Quality Control Regtion (CAA)
  • AQD:
    • Air-Quality Digest
  • AQDHS:
    • Air-Quality Data Handling System
  • AQDM:
    • Air-Quality Display Model
  • AQI:
    • Air Quality Index
  • AQMA:
    • Air-Quality Maintenance Area
  • AQMD:
    • Air Quality Management District
  • AQMP:
    • Air-Quality Maintenance Plan
  • AQMP:
    • Air-Quality Management Plan
  • AQRD:
    • Air-Quality Control Region
  • AQS:
    • Air Quality System
  • AQSM:
    • Air-Quality Simulation Model
  • AQTAD:
    • Air-Quality Technical Assistance Demonstration
  • AR:
    • Administrative Record
  • ARA:
    • Assistant Regional Administrator
  • ARA:
    • 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
  • ARCA:
    • Area Fuel Consumption Allocation
  • ARCC:
    • American Rivers Conservation Council
  • ARCEE:
    • Air Force Center for Environmental Excellence
  • ARCOM:
  • ARCS:
    • Alternative Remedial Contract Strategy
  • AREE:
    • Area Requiring Environmental Evaluation
  • ARG:
    • American Resources Group
  • ARIP:
    • Accidental Release Information Program
  • ARL:
  • 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:
  • ARZ:
    • Auto Restricted Zone
  • AS:
    • Air Sparge
  • AS:
    • Air Stripper
  • AS:
    • Area Source
  • ASAP:
    • As Soon As Possible
  • ASC:
    • Area Source Category
  • ASCE:
  • ASDWA:
  • ASHAA:
    • Asbestos in Schools Hazard Abatement Act
  • ASHRAE:
    • American Society of Heating, Refrigerating, and Air-Conditioning Engineers
    • More Information
  • ASIWCPA:
    • Association of State and Interstate Water Pollution Control Administrators
  • ASMDHS:
    • Airshed Model Data Handling System
  • ASQC:
  • ASRL:
    • Atmospheric Sciences Research Laboratory
  • AST:
    • Advanced Secondary (Wastewater) Treatment
  • AST:
    • Aboveground Storage Tank
  • ASTHO:
  • ASTM:
  • ASTSWMO:
    • Association of State and Territorial Solid Waste Management Officials
    • More Information
  • AT:
    • Advanced Treatment
  • AT:
    • Alpha Track Detection
  • ATERIS:
  • ATS:
    • Action Tracking System
  • ATS:
    • Allowance Tracking System
  • ATSDR:
  • ATTF:
    • Air Toxics Task Force
  • ATV:
    • All Terrain Vehicle
  • AUSM:
    • Advanced Utility Simulation Model
  • AVCM:
    • Assessment of Various Corrective Measures (Ground Water Solid Waste)
  • AWMA:
  • AWRA:
  • AWT:
    • Advanced Wastewater Treatment
  • AWWA:
  • AWWARF:
  • BAA:
    • Board of Assistance Appeals
  • BAA:
    • Broad Agency Announcement
  • BAC:
    • Bioremediation Action Committee
  • BAC:
    • Biotechnology Advisory Committee
  • BACM:
    • Best Available Control Measures
  • BACT:
    • Best Available Control Technology
  • BADT:
    • Best Available Demonstrated Technology
  • BAF:
    • Bioaccumulation Factor
  • BAM:
    • Beta Attenuation Monitor
  • 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
  • BC:
  • BCPCT:
    • Best Conventional Pollutant Control Technology
  • BCT:
    • Best Control Technology
  • BDAT:
    • Best Demonstrated Achievable Technology
  • BDCT:
    • Best Demonstrated Control Technology
  • BDT:
    • Best Demonstrated Technology
  • BEA:
  • BEJ:
    • Best Engineering Judgment
  • BEJ:
    • Best Expert Judgment
  • BF:
    • Bonafide Notice of Intent to Manufacture or Import (IMD/OTS)
  • BF:
  • BGS:
    • Below Ground Service
  • BGS:
    • Below Ground Surface
  • BID:
    • Buoyancy Induced Dispersion
  • BID:
    • Background Information Document
  • BIOPLUME:
    • Model to Predict the Maximum Extent of Existing Plumes
  • BLM:
  • BLS:
  • BMP:
    • Best Management Practice(s)
  • BMR:
    • Baseline Monitoring Report
  • BMT:
    • Best Management Technique (or technology)
  • BO:
    • Budget Obligations
  • BOA:
    • Basic Ordering Agreement (Contracts)
  • BOD:
    • Biological Oxygen Demand
  • BOD:
    • Biochemical Oxygen Demand
  • BOF:
    • Basic Oxygen Furnace
  • BOH:
  • BOP:
    • Basic Oxygen Process
  • BOPF:
    • Basic Oxygen Process Furnace
  • BOYSNC:
    • Beginning of Year Significant Non-Compliers
  • BP:
    • Burn Pit
  • BP:
    • Boiling Point
  • BPJ:
    • Best Professional Judgment
  • BPT:
    • Best Practicable Treatment
  • BPT:
    • Best Practicable Technology
  • BPWTT:
    • Best Practical Wastewater Treatment Technology
  • BRAC:
    • Base Realignment and Closure
  • BRI:
    • Building-Related Illness
  • BRS:
  • BSI:
  • BSO:
    • Benzene Soluble Organics
  • BTEX:
    • Benzene, Toluene, Ethylbenzene, Xylene
  • BTU:
    • British Thermal Unit
  • BTZ:
    • Below the Treatment Zone
  • BUN:
    • Blood Urea Nitrogen
  • BuSET:
    • Bureau of Safety Education and Training (part of the IN Dept. of Labor)
    • More Information
  • C:
    • Celsius
  • C/D:
  • C/E:
    • Compliance and Enforcement
  • C/MI:
    • Grams per mile
  • C/PC:
    • Closure/Post Closure
  • CA:
    • Cooperative Agreements
  • CA:
    • Competition Advocate
  • CA:
    • Citizen Act
  • CA:
    • Corrective Action
  • CAA:
    • Compliance Assurance Agreement
  • CAA:
    • Competition in Contracting Act
  • CAA:
    • Clean Air Act
  • CAAA:
  • CAATS:
    • Computer Assisted Approval and Tracking System
  • CAER:
    • Community Awareness and Emergency Response
  • CAFE:
  • CAFO:
    • Concentrated Animal Feeding Operation
  • CAFO:
    • Consent Agreement/Final Order
  • CAG:
    • Carcinogenic Assessment Group
  • CAIR:
    • Clean Air Interstate Rule
  • CAIR:
    • Comprehensive Assessment of Information Rule
  • CAM:
    • Compliance Assurance Monitoring Rule
  • CAM:
    • Compliance Assurance Monitoring
  • CAMP:
    • Continuous Air Monitoring Program
  • CAMU:
    • Corrective Action Management Unit
  • CAMx:
    • Comprehensive Air Quality Model with Extension
  • CAN:
    • Common Account Number
  • CAO:
    • Corrective Action Order
  • CAP:
    • Corrective Action Plan
  • CAP:
    • Cost Allocation Procedure
  • CAP:
    • Compliance Advisory Panel
  • CAP:
    • Corrective Action Program
  • CAP:
    • Criteria Air Pollutant
  • CAP:
    • Community Assistance Program
  • CAR:
    • Corrective Action Report
  • CART:
    • Classification and Regression Tree
  • CAS:
  • CAS:
  • CAS#:
    • Chemical Abstract Service Number
  • CASAC:
  • CASLP:
    • Conference on Alternative State and Local Practices
  • CASTNet:
  • CATS:
    • Corrective Action Tracking System
  • CAU:
    • Command Arithmetic Unit
  • CAU:
    • Carbon Adsorption Unit
  • CB:
    • Continuous Bubbler
  • CBA:
    • Cost Benefit Analysis
  • CBD:
    • Central Business District
  • CBED:
    • Community Based Environmental Project
  • CBI:
    • Compliance Biomonitoring Inspection
  • CBI:
    • Confidential Business Information
  • CBO:
  • CBOD:
    • Carbonaceous Biochemical Oxygen Demand
  • CBP:
    • County Business Patterns
  • CBSA:
    • Core Based Statistical Area
  • CC/RTS:
    • Chemical Collection/ Request Tracking System
  • CCAP:
    • Climate Change Action Plan
  • CCAP:
  • CCBP:
    • Coal Combustion By Products
  • 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:
    • Coal Combustion Products
  • CCP:
    • Composite Correction Plan
  • CCR:
    • Consumer Confidence Report
  • CCS:
    • Clear, Consistent, and Speedy
  • CCT:
    • Clean Coal Technology
  • CCTP:
  • CD:
    • Consent Decree
  • CD:
    • Compact Disk
  • CD:
    • Climatological Data
  • CDB:
    • Consolidated Data Base
  • CDBA:
    • Central Data Base Administrator
  • CDBG:
    • Community Development Block Grant
  • CDC:
  • CDD:
    • Chlorinated dibenzo-p-dioxin
  • CDF:
    • Chlorinated dibenzofuran
  • CDF:
    • Confined Disposal Facility
  • CDHS:
    • Comprehensive Data Handling System
  • CDI:
    • Chronic Daily Intake
  • CDI:
    • Case Development Inspection
  • CDM:
    • Comprehensive Data Management
  • CDM:
    • Climatological Dispersion Model
  • CDMQC:
    • Climatological Dispersion Model with Calibration and Source Contribution
  • CDNS:
    • Climatological Data National Summary
  • CDP:
    • Census Designated Places
  • CDS:
    • Compliance Data System
  • CE:
    • Control Efficiency
  • CE:
    • Conditionally Exempt Generator
  • CE:
    • Categorical Exclusion
  • CE:
    • Compliance and Enforcement
  • CEA:
    • Cost and Economic Assessment
  • CEA:
    • Cooperative Enforcement Agreement
  • CEAT:
    • Contractor Evidence Audit Team
  • CEB:
    • Chemical Element Balance
  • CEC:
    • Cation Exchange Capacity
  • CEC:
  • CECATS:
    • CSB Existing Chemicals Assessment Tracking System
  • CEE:
    • Center for Environmental Education
  • CEEM:
    • Center for Energy and Environmental Management
  • CEEP:
    • Center for Energy and Environmental Policy
  • CEI:
    • Compliance Evaluation Inspection
  • CEM:
    • Continuous Emission Monitoring
  • CEM:
    • Compliance/Enforcement Management System
  • CEMS:
    • Continuous Emission Monitoring System
  • CENRAP:
    • Central Regional Air Planning Association
  • CEPP:
  • CEQ:
  • CERCLA:
    • Comprehensive Environmental Response, Compensation, and Liability Act (1980)
    • More Information
  • CERCLIS:
    • Comprehensive Environmental Response, Compensation, and Liability Information System
    • More Information
  • CERFA:
    • Community Environmental Response Facilitation Act
  • CERT:
    • Certificate of Eligibility
  • CESQG:
    • Conditionally Exempt Small Quantity Generator
  • CEST:
    • Community Environmental Service Teams
  • CF:
  • CFC:
    • Chlorofluorocarbons
  • CFM:
    • Cubic Feet per Minute
  • CFM:
    • Chlorofluoromethanes
  • CFO:
    • Concentrated Feeding Operation
  • CFO:
  • CFR:
  • CFS:
    • Cubic Feet per Second
  • 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:
    • Contour Interval
  • CI:
    • Confidence Interval
  • CI:
    • Compression Ignition
  • 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
  • CIR:
    • Current Industrial Report
  • CIS:
    • Chemical Information System
  • CIS:
    • Contracts Information System
  • CITES:
    • Central Indiana Technical and Environmental Societies
  • CKD:
    • Cement Kiln Dust
  • CKRC:
  • CL:
    • Closure Level
  • 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:
  • CLI:
  • CLIPS:
    • Chemical List Index and Processing System
  • CLP:
    • Contract Laboratory Program
  • CM:
    • Corrective Measure
  • CMA:
    • Chemical Manufacturers Association
  • CMAQ:
    • Community Multiscale Air Quality
  • CMB:
    • Chemical Mass Balance
  • CME:
    • Comprehensive Monitoring Evaluation
  • CMEL:
    • Comprehensive Monitoring Evaluation Log
  • CMEP:
    • Critical Mass Energy Project
  • CMS:
    • Corrective Measures Study
  • CMSA:
    • Consolidated Metropolitan Statistical Area
  • CMTB:
    • Clean Manufacturing Technology Board
  • CMTI:
    • Clean Manufacturing Technology and Safe Materials Institute
  • CMZ:
    • Community Monitoring Zone
  • CNG:
    • Compressed Natural Gas
  • CNTS:
    • Covenant Not To Sue
  • CO:
    • Carbon Monoxide
  • CO:
    • Commissioner's Order
  • CO2:
    • Carbon Dioxide
  • COC:
    • Contaminant of Concern
  • COC:
    • Constituent of Concern
  • COC:
    • Chemical of Concern
  • COC:
    • Chain of Custody
  • COC:
    • Certificate of Completion
  • COCO:
    • Contractor-Owned/ Contractor-Operated
  • COD:
    • Chemical Oxygen Demand
  • COE:
    • Corps of Engineers
  • COG:
    • Coefficient Of Haze
  • COI:
    • Constituent of Interest
  • COMS:
    • Continuous Emissions Monitoring System
  • CONCEPT:
    • Consolidated Community Emissions Processing Tool
  • COP:
    • Current Operating Procedure
  • COPAS:
    • Coastal Ocean Pollution Assessment
  • CP:
  • cPAH:
    • Carcinagenic Polynuclear Aromatic Hydrocarbons
  • CPDA:
    • Chemical Producers and Distributor Association
  • CPE:
    • Comprehensive Performance Evaluation
  • CPF:
    • Carcinogenic Potency Factor
  • CPM:
    • Core Performance Measure
  • CPO:
    • Certified Project Officer
  • CPT:
    • Cone Penetrometer Technology
  • CQA:
    • Construction Quality Assurance
  • CR:
    • Continuous Radon Monitoring
  • CRAI:
    • Completeness request for Additional Information
  • CRDL:
    • Contract Required Detection Limit
  • CRL:
    • Central Regional Laboratory
  • CROP:
    • Consolidated Rules of Practice
  • CRP:
    • Community Relations Plan
  • CRP:
    • Child-Resistant Packaging
  • CRP:
    • Conservation Reserve Program
  • CRQL:
    • Contract Required Quantitation Limit
  • CRR:
    • Center for Renewable Resources
  • CRSTER:
    • Single Source Dispersion Model
  • CSA:
    • Combined Statistical Area
  • CSCT:
    • Committee for Site Characterization
  • CSGWPP:
    • Comprehensive State Ground Water Protection Program
  • CSI:
    • Common Sense Initiative
  • CSI:
    • Compliance Sampling Inspection
  • CSI:
    • Conversion Systems Incorporated
  • CSIN:
    • Chemical Substances Information Network
  • CSM:
    • Conceptual Site Model
  • CSMA:
    • Chemical Specialties Manufacturers Association
  • CSO:
    • Combined Sewer Overflow
  • CSPA:
    • Council of State Planning Agencies
  • CSRL:
  • CSS:
    • Combined Sewer System
  • CT:
    • Product of Residual Disinfectant Concentration and Corresponding Disinfectant Contact Time
  • CTAP:
  • CTARC:
    • Chemical Testing and Assessment Research Commission
  • CTE:
    • Central Tendency Exposure
  • CTG:
    • Control Technology Guidelines
  • CTG:
    • Control Techniques Guidelines
  • CTSA:
    • Cleaner Technologies Substitutes Assessment
  • CTV:
    • Critical Toxicity Value
  • CV:
    • Chemical Vocabulary
  • CV:
    • Coefficient of Variation
  • CVS:
    • Constant Volume Sampler
  • CW:
    • Continuous working-level monitoring
  • CWA:
  • CWA:
  • CWAP:
    • Clean Water Action Project
  • CWOP:
    • Construction Without a Permit
  • CWS:
  • CWTC:
    • Chemical Waste Transportation Council
  • CZARA:
  • CZMA:
  • D:
    • Disqualified Parcel (CERFA specific)
  • DAF:
    • Dilution Attenuation Factor
  • DAG:
    • Deputy Attorney General
  • DAPSS:
    • Document and Personnel Security System (IMD)
  • DB:
    • Decibel
  • DBP:
    • Disinfection By-Product
  • DC:
    • District of Columbia
  • DCI:
    • Data Call-In
  • DCO:
    • Delayed Compliance Order
  • DCO:
    • Document Control Officer
  • DCPA:
    • Directorate of Personnel and Community Activities
  • DDT:
    • 4,4-DichloroDiphenylTrichloroethane
  • DEM:
  • DERP:
    • Defense Environmental Restoration Program
  • DERs:
    • Data Evaluation Records
  • DES:
    • Diethylstilbestrol
  • DfE:
    • Design for the Environment
  • DHS:
    • U.S. Department of Homeland Security
  • DI:
    • Diagnostic Inspection
  • Dir.:
  • DIS:
    • Directorate of Installation Support
  • DIY:
    • Do-it-yourselfer (Those who change their own motor oil and take the oil to a used oil collection site)
  • DMR:
    • Discharge Monitoring Report
  • DMS:
    • Document Management System
  • DNA:
    • Deoxyribonucleic acid
  • DNAPL:
    • Dense Non-Aqueous Phase Liquid
  • DNPH:
    • 2,4-Dinitrophenylhydrazine
  • DNR:
  • DO:
    • Dissolved Oxygen
  • DOC:
    • Demonstration of Capability
  • DOC:
  • DOD:
  • DOE:
  • DOI:
  • DOJ:
  • DOL:
  • DOR:
  • DOT:
  • DOW:
  • DP:
    • Drip Pad
  • DPA:
    • Deepwater Ports Act
  • DPCA:
    • Directorate of Personnel and Community Activities
  • DPD:
    • Method of Measuring Chlorine Residual in Water
  • DPE:
    • Dual Phase Extraction
  • DPT:
    • Direct Push Technologies
  • DQA:
    • Data Quality Assessment
  • DQO(S):
    • Data Quality Objective(s)
  • DRE:
    • Destruction and Removal Efficiency
  • DRES:
    • Dietary Risk Evaluation System
  • DRMO:
    • Defense Reutilization and Marketing Office
  • DRMS:
    • Defense Reutilization and Marketing Service
  • DRR:
    • Data Review Record
  • DS:
    • Dichotomous Sampler
  • DS:
    • Direct Push Soil
  • DSAP:
    • Data Self Auditing Program
  • DSCF:
    • Dry Standard Cubic Feet
  • DSCM:
    • Dry Standard Cubic Meter
  • DSS:
    • Domestic Sewage Study
  • DSS:
    • Decision Support System
  • DT:
    • Detectors (radon) damaged or lost
  • DT:
    • Detention Time
  • DTW:
    • Depth To Water
  • DU:
    • Dobson Unit
  • DU:
    • Decision Unit
  • DU:
  • DUC:
    • Decision Unit Coordinator
  • DV:
    • Design Value
  • DW:
    • Direct Push Water
  • DW:
  • DWB:
    • Drinking Water Branch (IDEM)
  • DWEL:
    • Drinking Water Equivalent Level
  • DWS:
  • DWSRF:
    • Drinking Water State Revolving Fund
  • E:
    • Excluded Parcel (CERFA specific)
  • EA:
    • Enforcement Agreement
  • EA:
    • Endangerment Assessment
  • EA:
    • Environmental Assessment
  • EA:
    • Environmental Audit
  • EA:
    • Environmental Action
  • EAF:
    • Electric Arc Furnaces
  • EAG:
    • Exposure Assessment Group
  • EAP:
    • Environmental Action Plan
  • EAPCASR:
    • EPA Chemical Activities Status Report
  • EAPM:
    • Early Action Project Manager
  • EAR:
    • Environmental Auditing Roundtable
  • EASI:
  • EB:
    • Emissions Balancing
  • EC:
    • Emulsifiable Concentrate
  • EC:
    • Effective Concentration
  • EC:
    • Elemental Carbon
  • ECA:
    • Economic Community for Africa
  • ECAP:
    • Employee Counseling and Assistance Program
  • ECD:
    • Electron Capture Detector
  • ECHH:
    • Electro-Catalytic Hyper-Heaters
  • ECL:
    • Environmental Chemical Laboratory
  • ECOS:
  • ECOTOX:
  • 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:
  • EDI:
    • Enterprise Data Initiative (IDEM)
  • EDRS:
    • Enforcement Document Retrieval System
  • EDS:
    • Electronic Data System
  • EDS:
    • 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:
  • EESL:
    • Environmental Ecological and Support Laboratory
  • EETFC:
    • Environmental Effects, Transport, and Fate Committee
  • EF:
    • Emission Factor
  • EFO:
    • Equivalent Field Office
  • EGR:
    • Exhaust Gas Recirculation
  • EGU:
    • Electric Generating Unit
  • EH:
    • Redox Potential
  • EHC:
    • Environmental Health Committee
  • EHS:
    • Extremely Hazardous Substance
  • EI:
    • Environmental Investigation(s)
  • EI:
    • Emissions Inventory
  • EIA:
    • Economic Impact Assessment
  • EIA:
    • Environmental Impact Assessment
  • EID:
    • Energy Isolating Devices
  • EIIP:
    • Emission Inventory Improvement Program
  • EIL:
    • Environmental Impairment Liability
  • EIR:
    • Endangerment Information Report
  • EIR:
    • Environmental Impact Report
  • EIS:
    • Environmental Impact Statement
  • EIS:
    • 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
  • ELF:
    • Excess Liability Fund
  • ELI:
  • ELR:
  • ELTF:
  • EM:
    • Electromagnetic Conductivity
  • EM:
    • Electromagnetic
  • EMA:
    • Environmental Management Act
  • EMAP:
    • Environmental Mapping and Assessment Program
  • EMAS:
    • Enforcement Management and Accountability System
  • EMB:
    • Environmental Management Board
  • EMI:
    • Environmental Management Institute
  • EMPACT:
    • Environmental Monitoring for Public Access and Community Tracking
  • EMPO:
    • Evansville Metropolitan Planning Organization
  • EMR:
    • Environmental Management Report
  • EMS:
    • Emergency Response System
  • EMS:
    • Enforcement Management System
  • EMS:
    • Environmental Management System
  • EMSL:
    • Environmental Monitoring Support Systems Laboratory
  • EMTS:
    • Exposure Monitoring Test Site
  • EMTS:
    • Environmental Monitoring Testing Site
  • EnPA:
    • Environmental Performance Agreement
  • EnPPA:
    • Environmental Performance Partnership Agreement
  • ENSR:
    • Enhanced New Source Review
  • EO:
    • Ethylene Oxide
  • EOC:
    • Emergency Operating Center
  • EOD:
    • Explosive ordnance disposal
  • EOF:
    • Emergency Operations Facility (RTP)
  • EOP:
    • End Of Pipe
  • EOT:
    • Emergency Operations Team
  • EP:
    • Environmental Profile
  • EP:
    • End-use Product
  • EP:
    • Experimental Product
  • EP:
    • Extraction Procedure
  • EP:
  • EP tox:
    • Extraction Procedure Toxicity Characteristic
  • EPA:
    • Environmental Protection Agency
  • EPA:
  • EPAA:
  • EPAAR:
  • EPACT:
  • EPC:
    • Exposure Point Concentration
  • EPCA:
    • Energy Policy and Conservation Act
  • EPCRA:
    • Emergency Planning and Community Right to Know Act
  • EPCRA:
    • Emergency Preparadness and Community Right to Know Act (IDEM)
    • More Information
  • EPD:
    • Emergency Planning District
  • EPI:
    • Environmental Policy Institute
  • EPIC:
    • Environmental Photographic Interpretation Center
  • EPNL:
    • Effective Perceived Noise Level
  • EPRI:
  • EPTC:
    • Extraction Procedure Toxicity Characteristic
  • EQIP:
  • EQL:
    • Estimated Quantitation Limit
  • EQSC:
    • Environmental Quality Service Council
  • ER:
    • Ecosystem Restoration
  • ER:
    • Electrical Resistivity
  • ERA:
    • Economic Regulatory Agency
  • ERAG:
  • ERAMS:
  • ERC:
    • Environmental Research Center
  • ERC:
    • Emergency Response Commission
  • ERC:
    • Emissions Reduction Credit
  • ERCS:
    • Emergency Response Cleanup Services
  • ERD&DAA:
    • Environmental Research, Development and Demonstration Authorization Act
  • ERDA:
    • Energy Research and Development Administration
  • EREF:
  • ERL:
    • Environmental Research Laboratory
  • ERNS:
  • ERP:
    • Enforcement Response Policy
  • ERP:
    • Early Reduction Program
  • ERRIS:
    • Emergency Remedial Response Inventory System
  • ERT:
    • Emergency Response Team
  • ERTAQ:
    • ERT Air Quality Model
  • ES:
    • Enforcement Strategy
  • ESA:
    • Environmentally Sensitive Area
  • ESA:
  • ESC:
    • Endangered Species Committee
  • ESCA:
    • Electron Spectroscopy for Chemical Analysis
  • ESCAP:
  • ESE:
    • Environmental Science and Engineering, Inc.
  • ESECA:
    • Energy Supply and Environmental Coordination Act
  • ESH:
    • Environmental Safety and Health
  • ESI:
    • Expanded Site Investigation
  • ESI/RI:
    • Expanded Site Investigation/Remedial Investigation
  • ESP:
    • Electrostatic Precipitators
  • ESRI:
    • Environmental Systems Research Institute
  • ET:
    • Emissions Trading
  • ETI:
    • Environmental Technology Initiative
  • ETP:
    • Emissions Trading Policy
  • ETS:
    • Emissions Tracking System
  • ETS:
    • Environmental Tobacco Smoke
  • ETV:
    • Environmental Technology Verification Program
  • EUP:
    • End-Use Product
  • EUP:
    • Experimental Use Permit
  • EWCC:
    • Environmental Workforce Coordinating Committee
  • EXAMS:
  • ExEx:
    • Expected Exceedance
  • F:
    • Fehrenheit
  • F/M:
    • Food to Microorganism Ratio
  • FAA:
  • FACA:
  • FAN:
    • Fixed Account Number
  • FAO:
  • FATES:
    • FIFRA and TSCA Enforcement System
  • FB:
    • Field Blank
  • FBC:
    • Fluidized Bed Combustion
  • FBH:
  • FBI:
  • FCA:
    • Fish Consumption Advisory
  • FCC:
    • Fluid Catalytic Converter
  • FCCC:
    • Framework Convention on Climate Change
  • FCCU:
    • Fluid Catalytic Cracking Unit
  • FCO:
    • Federal Coordinating Officer (in disaster areas)
  • FCO:
    • Forms Control Officer
  • FDA:
  • FDF:
    • Fundamentally Different Factors
  • FDL:
    • Final Determination Letter
  • FDMS:
    • Filter Dynamic Measurement System
  • 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
  • FEM:
    • Federal Equivalent Method
  • FEMA:
  • FEPCA:
    • Federal Environmental Pesticide Control Act; enacted as amendments to FIFRA.
  • FERC:
  • FES:
    • Factor Evaluation System
  • FESOP:
    • Federally Enforceable State Operating Permit
  • FEV:
    • Forced Expiratory Volume
  • FEV1:
    • Front End Volatility Index
  • FEV1:
    • Forced Expiratory Volume--one second
  • 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
  • FFY:
    • Federal Fiscal Year
  • FGD:
    • Flue-Gas Desulfurization
  • FI:
    • Facility Information
  • 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:
  • FM:
  • FMAP:
    • Financial Management Assistance Project
  • FML:
    • Flexible Membrane Liner
  • FMP:
    • Financial Management Plan
  • FMP:
    • Facility Management Plan
  • FMS:
    • Financial Management System
  • FMVCP:
    • Federal Motor Vehicle Control Program
  • FO:
    • Final Order
  • FOE:
  • FOIA:
  • FOISD:
    • Fiber Optic Isolated Spherical Dipole Antenna
  • FONSI:
    • Finding Of No Significant Impact
  • FORAST:
    • Forest Response to Anthropogenic Stress
  • FP:
    • Flash Point
  • FP:
    • Fine Particulate
  • FPA:
    • Federal Pesticide Act
  • FPAS:
    • Foreign Purchase Acknowledgement Statements
  • FPD:
    • Flame Photometric Detector
  • FPEIS:
    • Fine Particulate Emissions Information System
  • FPPA:
    • Federal Pollution Prevention Act
  • FPR:
    • Federal Procurement Regulation
  • FQPA:
  • FR:
    • Final Rulemaking
  • FR:
  • FRA:
    • Federal Register Act
  • FREDS:
    • Flexible Regional Emissions Data System
  • FRES:
    • Forest Range Environmental Study
  • FRM:
    • Federal Reference Methods
  • FRN:
    • Final Rulemaking Notice
  • FRN:
    • Federal Register Notice
  • FRPS:
    • Federal Program Resources Statement
  • FRPS:
    • Formal Planning and Supporting System
  • FRS:
    • Formal Reporting System
  • FRS:
  • FS:
    • Feasibility Study
  • FSA:
    • Food Security Act
  • FSP:
    • Field Sampling Plan
  • FSR:
    • Financial Status Report
  • FSS:
    • Facility Status Sheet
  • FSS:
    • Federal Supply Schedule
  • FSS:
    • Fixated Scrubber Sludge
  • 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 Administration
  • FWPCA:
  • FY:
    • Fiscal Year
  • FYI:
    • For Your Information
  • G/T:
    • Generator/Transporter
  • GAAP:
    • Generally Accepted Accounting Principles
  • GAC:
    • Granular Activated Carbon
  • GACT:
    • Granular Activated Carbon Treatment
  • GAFB:
    • Grissom Air Force Base
  • GAO:
    • General Accounting Office
  • GAW:
    • Global Atmosphere Watch
  • GC:
    • Gas Chromatograph
  • GC/MS:
    • Gas Chromatograph/Mass Spectrograph
  • GC/MS:
    • Gas Chromatography/Mass Spectrometry
  • GCC:
    • Global Climate Convention
  • GCWR:
    • Gross Combination Weight Rating
  • GDE:
    • Generic Data Exemption
  • GDP:
    • Gross Domestic Product
  • GEI:
    • Geographic Enforcement Initiative
  • GEMI:
  • GEMS:
    • Graphical Exposure Modeling System
  • GEMS:
    • Global Environmental Monitoring System
    • See Also: GEMS Water
  • GEP:
    • Good Engineering Practice
  • GFAAS:
    • Graphite Furnace Atomic Adsorption Spectrophometer
  • GFF:
    • Glass Fiber Filter
  • GFO:
    • Grant Funding Order
  • GFS:
    • Government-Furnished Property
  • GHG:
    • Green House Gas
  • GICS:
    • Grant Information and Control System
  • GIS:
    • Global Indexing System
  • GIS:
    • Geographic Information Systems
  • GLAD:
    • Great Lakes Atmospheric Deposition Network
  • GLC:
    • Gas Liquid Chromatography
  • GLERL:
  • GLISP:
    • Great Lakes International Surveillance Plan
  • GLNPO:
  • GLP:
    • Good Laboratory Practices
  • GLPN:
    • Great Lakes Precipitation Network
  • GLPPR:
  • GLWQA:
  • GMCC:
    • Global Monitoring for Climatic Change
  • 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
  • GPD:
    • Gallons per Day
  • GPG:
    • Grams-per-Gallon
  • GPM:
    • Gallons per Minute
  • GPR:
    • Ground-Penetrating Radar
  • GPRA:
  • GPS:
    • Global Positioning System
  • 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
  • GRR:
    • Ground Water Record Review
  • GSA:
  • GT:
    • Gas Turbine
  • GTN:
    • Global Trend Network
  • GTR:
    • Government Transportation Request
  • GVL:
    • Geology Violation Letter (IDEM)
  • GVP:
    • Gasoline Vapor Pressure
  • GVW:
    • Gross Vehicle Weight
  • GVWR:
    • Gross Vehicle Weight Rating
  • GW:
    • Grab Working-Level Sampling
  • GW:
    • Ground Water or Groundwater
  • GWCC:
    • Ground Water Contaminant Concentration
  • GWDR:
  • GWM:
    • Ground Water Monitoring
  • GWP:
    • Global Warming Potential
  • GWPC:
  • GWPS:
    • Ground Water Protection Strategy
  • GWPS:
  • GWQS:
  • GWUDI:
    • Ground Water Under the Direct Influence of Surface Water
  • H2O2:
    • hydrogen peroxide
  • HA:
    • Health Advisory
  • HAA5:
    • Haloacetic Acids (five)
  • HAD:
    • Health Assessment Document
  • HAP:
    • Hazardous Air Pollutant
  • HAPEMS:
    • Hazardous Air Pollutant Enforcement Management System
  • HAPPS:
    • Hazardous Air Pollutant Prioritization System
  • HAS:
    • Hollow Stem Auger
  • HASP:
    • Health and Safety Plan
  • HATREMS:
    • Hazardous and Trace Emissions System
  • HAZMAT:
    • Hazardous Materials
  • HAZOP:
    • Hazard and Operability Study
  • HAZWOPER:
  • HBFC:
    • Hydrobromofluorocarbon
  • HC:
    • Hazardous Constituents
  • HC:
    • Hydraulic Conductivity
  • HC:
    • Hydrocarbon
  • HCCPD:
    • Hexachlorocyclo-pentadiene
  • HCFC:
    • Hydrochlorofluorocarbon
  • HCP:
    • Hypothermal Coal Process
  • HCS:
    • Hazard Communication Standard
  • HD:
    • Health Department
  • HDD:
    • Heavy-Duty Diesel
  • HDDS:
    • Heavy-Duty Diesel Settlement
  • 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:
    • Heavy-Duty Truck
  • HDT:
    • Highest Dose Tested in a study
  • HDV:
    • Heavy-Duty Vehicle
  • HEAL:
    • Human Exposure Assessment Location
  • HEAST:
    • Health Effects Assessment Summary Tables
  • HEC:
  • HECC:
  • HEI:
  • 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
  • HHS:
  • HHV:
    • Higher Heating Value
  • HHW:
    • Household Hazardous Waste
  • 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
  • HMTUSA:
    • Hazardous Materials Transportation and Uniform Safety Act
  • 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 Violation
  • HPV:
    • High Priority Violator
  • HQ:
    • Hazard Quotient
  • HQ:
    • Headquarters
  • HQCDO:
    • Headquarters Case Development Officer
  • HR:
    • Hazardous substance disposal or release (CERFA speicifc)
  • HR:
    • Human Resources
  • HRC:
    • Hydrogen Release Compound
  • HRS:
    • Hazard Ranking System
  • HRS:
    • Hazardous Ranking System
  • HRUP:
    • High-Risk Urban Problem
  • HS:
    • Hazardous substance storage (CERFA specific)
  • HS:
    • Homeland Security
  • HSA:
    • Hollow Stem Auger
  • HSDB:
    • Hazardous Substance Data Base
  • HSL:
    • Hazardous Substance List
  • HSP:
    • Health and Safety Plan
  • HSWA:
    • Hazardous and Solid Waste Amendments (IDEM)
  • HT:
    • Hypothermally Treated
  • HTP:
    • High Temperature and Pressure
  • HUC:
  • HUD:
  • HVAC:
    • Heating, Ventilation, and Air-Conditioning system
  • HVIO:
    • High Volume Industrial Organics
  • HW:
  • HWDMS:
    • Hazardous Waste Data Management System
  • HWGTF:
    • Hazardous Waste Groundwater Task Force
  • HWGTF:
    • Hazardous Waste Groundwater Test Facility
  • HWIR:
    • Hazardous Waste Identification Rule
  • HWLDF:
    • Hazardous Waste Land Disposal Facility
  • HWLF:
  • HWLT:
    • Hazardous Waste Land Treatment
  • HWM:
    • Hazardous Waste Management
  • HWRTF:
    • Hazardous Waste Restrictions Task Force
  • HWSA:
  • HWSU:
  • HWTC:
    • Hazardous Waste Treatment Council
  • I&M:
    • Vehicle Inspection & Maintenance
  • I/A:
    • Innovative/Alternative
  • I/M:
    • Inspection/Maintenance
  • I/SW:
  • IA:
    • Interagency Agreement
  • IA:
    • Integrated Assessment
  • IAAC:
    • Interagency Assessment Advisory Committee
  • IAC:
  • IACT:
  • IADN:
    • Integrated Atmospheric Deposition Network
  • IAEA:
  • IAG:
    • Interagency Agreement
  • IAP:
    • Incentive Awards Program
  • IAP:
    • Indoor Air Pollution
  • IAQ:
    • Indoor Air Quality
  • IARC:
  • IATDB:
    • Interim Air Toxics Data Base
  • IBSIN:
    • Innovations in Building Sustainable Industries
  • IBT:
    • Industrial Biotest Laboratory
  • IC:
    • Internal Combustion
  • IC:
  • ICAIR:
    • Interdisciplinary Planning and Information Research
  • ICAP:
    • Inductively Coupled Argon Plasma
  • ICB:
    • Information Collection Budget
  • ICBN:
  • ICCP:
  • ICE:
    • Internal Combustion Engine
  • ICE:
    • Industrial Combustion Emissions Model
  • ICFAR:
    • Indiana Center for Advance Research, Inc.
  • ICI:
    • Industrial, Commercial, and Institutional
  • ICP:
    • Inductive Coupled Plasma
  • ICP:
    • Inductively Coupled Plasma
  • ICR:
    • Information Collection Request
  • ICRE:
    • Ignitability, Corrosivity, Reactivity, Extraction
  • ICRP:
  • ICRU:
  • ICS:
    • Intermittent Control Strategies
  • ICS:
    • Intermittent Control System
  • ICS:
    • Incident Command System
  • ICs:
    • Institutional Controls
  • ICS:
    • Institute for Chemical Studies
  • ICWM:
  • ID:
    • Inner Diameter
  • IDEM:
  • IDETS:
    • Indiana Department of Employee Training Services
  • IDHS:
  • IDLH:
    • Immediately Dangerous to Life and Health
  • IDNR:
  • IEB:
    • International Environment Bureau
  • IEHA:
  • IEI:
    • Indiana Environmental Institute
  • IEMP:
    • Integrated Environmental Management Project
  • IERC:
    • Indiana Emergency Response Commission
  • IERC:
  • IES:
    • Institute for Environmental Studies
  • IESA:
  • IFB:
    • Invitation for Bid
  • IFCAM:
    • Industrial Fuel Choice Analysis Model
  • IFCS:
  • IFES:
  • IFIS:
    • Industry File Information System
  • IFIS:
    • Indiana Facility Information System
  • IFMO:
  • IFMS:
    • Integrated Financial Management System
  • IFPP:
    • Industrial Fugitive Process Particulate
  • IFRS:
  • IG:
    • Indiana Geologists
  • IGCC:
    • Integrated Gasification Combined Cycle
  • IGCI:
    • Industrial Gas Cleaning Institute
  • IGCN:
    • Indiana Government Center North
  • IGCS:
    • Indiana Government Center South
  • IGIC:
  • IGISI:
  • IGS:
  • IINERT:
    • In-Place Inactivation and Natural Restoration Technologies
  • IIOA:
  • IIS:
    • Inflationary Impact Statement
  • IJC:
  • IKE:
  • IMA:
  • IMM:
    • Intersection Midblock Model
  • IMPACT:
    • Integrated Model of Plumes and Atmosphere in Complex Terrain
  • IMPROVE:
    • Interagency Monitoring of Protected Visual Environment
  • IN:
    • Incinerator
  • IN:
  • INAAP:
    • Indiana Army Ammunition Plant
  • INAWDAC:
    • International Agency Water Data Committee
  • INDOT:
  • INPUFF:
    • Gaussian Puff Dispersion Model
  • INT:
    • Intermittent
  • IOB:
    • Iron Ore Beneficiation
  • IOC:
    • Inorganic Chemicals
  • IOSHA:
  • IOU:
    • Input/Output Unit
  • IP:
    • Inhalable Particles
  • IPCC:
  • IPCS:
    • International Program on Chemical Safety
  • IPECA:
    • Indiana Petroleum Equipment Contractors Association
  • IPM:
    • Inhalable Particulate Matter
  • IPM:
    • Integrated Pest Management
  • IPM:
    • Integrated Pest Management
  • IPP:
    • Integrated Plotting Package
  • IPP:
    • Inter-media Priority Pollutant (document)
  • IPP:
    • Independent Power Producer
  • IPP:
    • Implementation Planning Program
  • IR:
  • IRATS:
    • Indiana RCRA Activity Tracking System
  • IRG:
    • Interagency Review Group
  • IRIS:
    • Instructional Resources Information System
  • IRIS:
    • 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
  • IRRF:
    • Indianapolis Resource Recovery Facility
  • IRS:
    • International Referral Systems
  • IS:
    • Interim Status
  • ISAM:
    • Indexed Sequential File Access Method
  • ISBH:
  • ISBN:
    • International Standard Book Number
  • ISC:
    • Industrial Source Complex
  • ISCL:
    • Interim Status Compliance Letter
  • ISCLT:
    • Industrial Source Complex Long Term Model
  • ISCO:
    • In-Situ Chemical Oxidation
  • ISCST:
    • Industrial Source Complex Short Term Model
  • ISD:
    • Interim Status Document
  • ISDH:
  • ISE:
    • Ion-specific electrode
  • ISM:
    • Indiana Scoring Model
  • ISMAP:
    • Indirect Source Model for Air Pollution
  • ISO:
  • ISO:
  • ISPF:
    • (IBM) Interactive System Productivity Facility
  • ISPLS:
  • ISS:
    • Interim Status Standards
  • I-STEPS:
    • Indiana State Emissions Processing System
  • IT:
    • Information Technology
  • ITC:
    • Interagency Testing Committee
  • ITC:
    • Innovative Technology Council
  • ITRC:
    • Interstate Technology Regulatory Coordination
  • ITRC:
    • Interstate Technology Regulating Commission
  • ITRD:
  • IUP:
    • Intended Use Plan
  • IUR:
    • Inventory Update Rule
  • IW:
  • IWC:
    • In-Stream Waste Concentration
  • IWEA:
  • IWPCA:
  • IWPP:
    • Industrial Wastewater Pretreatment Permits
  • IWRA:
    • Indiana Water Resources Association
  • IWRA:
  • IWS:
    • Ionizing Wet Scrubber
  • JAPCA:
    • Journal of Air Pollution Control Association
  • JAWMA:
    • Journal of Air and Waste Management Association
  • JCL:
    • Job Control Language
  • JEC:
  • JEC:
  • 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
  • K:
    • Hydraulic Conductivity
  • KDEP:
    • Kentucky Department for Environmental Protection
  • L:
    • Lead –based paint (CERFA specific)
  • LAA:
    • Lead Agency Attorney
  • LADCO:
  • LADD:
    • Lifetime Average Daily Dose
  • LADD:
    • Lowest Acceptable Daily Dose
  • LAER:
    • Lowest Achievable Emission Rate
  • LAI:
    • Laboratory Audit Inspection
  • LAMP:
    • Lake Acidification Mitigation Project
  • LC:
    • Liquid Chromatography
  • LC:
    • Lethal Concentration
  • LCA:
    • Life Cycle Assessment
  • LCD:
    • Local Climatological Data
  • LCL:
    • Lower Control Limit
  • LCM:
    • Life Cycle Management
  • LCRS:
    • Leachate Collection and Removal System
  • LCS:
    • Laboratory Control Sample
  • LD:
    • Light Duty
  • LD:
    • Lethal Dose
  • LD:
    • Land Disposal
  • LD L0:
    • The lowest dosage of a toxic substance that kills test organisms.
  • 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
  • LDT:
    • Lowest Dose Tested
  • LDV:
    • Light-Duty Vehicle
  • LEADS:
  • LEAP:
    • Learning and Environmental Awareness Partnership
  • LEL:
    • Lowest Effect Level
  • LEL:
    • Lower Explosive Limit
  • LEP:
    • Laboratory Evaluation Program
  • LEPC:
  • LERC:
    • Local Emergency Response Committee
  • LEV:
    • Low Emissions Vehicle
  • LFB:
    • Laboratory Fortified Blank
  • 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
  • LMOP:
    • Landfill Methane Outreach Program
  • LMOS:
    • Lake Michigan Ozone Study
  • LMRBR:
    • Liquid Metal Fast Breeder Reactor
  • LMTF:
    • Lake Michigan Task Force
  • LNAPL:
    • Light Non-Aqueous Phase Liquid
  • LOAEL:
    • Lowest-Observed-Adverse-Effect-Level
  • LOD:
    • Letter of Deficiency
  • LOD:
    • Limit of Detection
  • LOW:
    • Letter of Warning (IDEM Enforcement)
  • LPC:
    • Land Pollution Control
  • LPG:
    • Liquid Petroleum Gas
  • LPG:
  • LQER:
    • Lesser Quantity Emission Rates
  • LQG:
    • Large Quantity Generator
  • LRTAP:
    • Long Range Transboundary Air Pollution
  • LSA:
  • LTF:
    • Land Treatment Facility
  • LTTD:
    • Low Temperature Themal Desorption
  • LUIS:
    • Label Use Information System
  • LUST:
  • MAC:
    • Mobile Air Conditioner
  • MACS:
    • Media and Communication Services (IDEM)
  • MACT:
    • Maximum Achievable Control Technologies
  • MAPSIM:
    • Mesoscale Air Pollution Simulation Model
  • MATC:
    • Maximum Acceptable Toxic Concentration
  • MBAS:
    • Methylene-Blue-Active Substances
  • MCL:
  • MCLG:
  • MCS:
    • Multiple Chemical Sensitivity
  • MDL:
    • Method Detection Limit
  • MEC:
    • Model Energy Code
  • MEGAN:
    • Model of Emissions of Gases and Aerosols from Nature
  • MEI:
    • Maximally (or most) Exposed Individual
  • MEK:
    • Methyl Ethyl Keytone
  • MEP:
    • Multiple Extraction Procedure
  • METS:
    • Multimedia Enforcement Tracking System
  • MFIS:
    • Municipal Facility Information System
  • MFL:
    • Millions of Fibers per Liter
  • mg/L:
    • Milligrams Per Liter
  • MHDDV:
    • Medium Heavy-Duty Diesel Vehicle
  • MM:
    • Multimedia
  • MM:
    • Mesoscale Model
  • MMSOILS:
    • Multimedia Contaminants Fate, Transport, and Exposure Model
  • MNA:
    • Monitored Natural Attenuation
  • MNBE:
    • Mean Normalized Bias Error
  • MNGE:
    • Mean Normalized Gross Error
  • MOA:
    • Memorandum of Agreement
  • MOBILE5A:
    • Mobile Source Emission Factor Model
  • MOE:
    • Margin Of Exposure
  • MOS:
    • Margin of Safety
  • MOS:
    • Measure of Success
  • MOU :
    • Memorandum of Understanding
  • MOVES:
    • Motor Vehicle Emission Simulator
  • MP:
    • Melting Point
  • MP:
    • Manufacturing-use Product
  • MPCA:
    • Microbial Pest Control Agent
  • MPE:
    • Multi Phase Extraction
  • MPG:
    • Miles Per Gallon
  • MPI:
    • Maximum Permitted Intake
  • MPN:
    • Maximum Possible Number
  • MPO:
    • Metropolitan Planning Organization
  • MPWC:
    • Multiprocess Wet Cleaning
  • MRDL:
    • Maximum Residual Disinfectant Level
  • MRDLG:
    • Maximum Residual Disinfectant Level Goal
  • MRF:
    • Materials Recovery Facility
  • MRID:
    • Master Record Identification number
  • MRL:
    • Maximum-Residue Limit (Pesticide Tolerance)
  • MRPO:
    • Midwest Regional Planning Organization
  • MS:
    • Mass Spectrometry
  • MS/MSD:
    • Matrix Spike/Matrix Spike Duplicate
  • MSA:
    • Metropolitan Statistical Area
  • MSCA:
    • Multi-Site Cooperative Agreement
  • MSDS:
    • Material Safety Data Sheet
  • MSL:
    • Mean Sea Level
  • MSOP:
    • Minor State Operating Permit
  • MSOP:
    • Minor Source Operating Permit
  • MSRAS:
    • Midwest States Risk Assessment Symposium
  • MSW:
  • MSWLF:
  • MTBE:
    • Methyltertiary butyl ether
  • MTD:
    • Maximum Tolerated Dose
  • MTP:
    • Maximum Total Trihalomethane Potential
  • MUP:
    • Manufacturing-Use Product
  • MUTA:
    • Mutagenicity
  • MVAC:
    • Motor Vehicle Air Conditioning
  • MVEB:
    • Mobile Source Emission Budget
  • MW:
    • Monitoring Well
  • MWC:
    • Machine Wet Cleaning
  • MWe:
    • Megawatt Electrical
  • MWh:
    • Megawatt Hours
  • MWWTP:
    • Municipal Waste-Water Treatment Plant
  • N/A:
    • Not Applicable
  • N/A:
    • Not Available
  • ne:
    • Effective Porosity
  • N2O:
    • Nitrous Oxide
  • NA:
    • Nonattainment
  • NA:
  • NAA:
    • Nonattainment Area
  • NAAEC:
    • North American Agreement on Environmental Cooperation
  • NAAQM:
    • National Ambient Air Quality Monitoring
  • NAAQS:
  • NACA:
  • NACEPT:
    • National Advisory Council for Environmental Policy and Technology
  • NACWA:
  • NAFSMA:
    • National Association of Flood & Stormwater Management Agencies
    • More Information
  • NAICS:
    • North American Industry Classification System
  • NALM:
    • North American Lake Management
  • NALMS:
  • NAMA:
    • National Air Monitoring Audits
  • NAMS:
    • National Air Monitoring Stations
  • NAPAP:
    • National Acid Precipitation Assessment Program
  • NAPD/NTN:
    • National Atmospheric Deposition Program/National Trends Network
  • NAPL:
    • Non-Aqueous Phase Liquid
  • NAPS:
  • NAR:
    • National Asbetos Registry
  • NARA:
    • National Agrichemical Retailers Association
  • NARA:
    • National Air Resources Act
  • NARA:
  • NARTSO:
    • North American Research Strategy for Tropospheric Ozone
  • NAS:
  • NASDA:
  • NATA:
    • National Air Toxics Assessment
  • NATICH:
  • NATTS:
    • National Air Toxics Trends Station
  • NCAMP:
  • NCAR:
    • National Center for Atmospheric Research
  • NCEA:
  • NCEPI:
    • National Center for Environmental Publications and Information
    • More Information
  • NCore:
    • National Core multi-pollutant monitoring stations
  • NCP:
    • National Contigency Plan
  • NCWS:
  • NEDRES:
    • National Environmental Data Referral Service (NOAA)
  • NEDS:
    • National Emissions Data System
  • NEERI:
    • National Environmental Engineering Research Institute
  • NEHA:
  • NEI:
    • National Emission Inventory
  • NEPA:
  • NEPI:
  • NEPPS:
  • NESHAP:
  • NESHTA:
    • National Environmental, Safety, and Health Training Organization
    • More Information
  • NET:
    • National Environmental Testing
  • NETA:
  • NFA:
    • No Further Action
  • NFRAP:
    • No Further Remedial Action Planned
  • NGF:
    • U.S. EPA National Functional Guidelines for Organic and Inorganic Data Review
  • NGVD:
    • National Geodetic Vertical Datum
  • NGWA:
  • NH3:
    • Ammonia
  • NH4:
    • Ammonium
  • NICT:
    • National Incident Coordination Team
  • NIEHS:
  • NIMBY:
    • Not In My Backyard
  • NIOSH:
  • NIRPC:
  • NISAC:
    • National Industrial Security Advisory Committee
  • NIST:
  • NLM:
    • National Library of Medicine
  • NM:
    • Nanometer
  • NMFS:
  • NMHC:
    • Nonmethane Hydrocarbons
  • NMOC:
    • Non-Methane Organic Component
  • NMSWLF:
  • NMVOC:
    • Non-methane Volatile Organic Chemicals
  • NO:
    • Nitric Oxide
  • NO2:
    • Nitrogen Dioxide
  • NO3:
    • Nitrate
  • NOA:
    • Notice of Arrival
  • NOAA:
  • NOAC:
    • Nature of Action Code
  • NOAEL:
    • No Observable Adverse Effect Level
  • NOD:
    • Natural Oxygen Demand
  • NOD:
    • Notice of Deficiency
  • NOD:
    • Notice of Decision
  • NOEL:
    • No Observable Effect Level
  • NOI:
    • Notice of Intent
  • NOIC:
    • Notice of Intent to Cancel
  • NOIS:
    • Notice of Intent to Suspend
  • NonMSWLF:
  • NOPH:
    • Notice of Public Hearing
  • NOR:
    • Notice of Receipt
  • NORM:
    • Naturally Occurring Radioactive Material
  • NOV:
    • Notice of Violation
  • NOx:
    • Nitrogen Oxides
  • NOy:
    • Total Reactive Nitrogen Oxides
  • NPCA:
  • NPD:
  • NPDES:
    • National Pollutant Discharge Elimination System (Federal)
  • NPDES:
  • NPDWR:
  • NPHAP:
    • National Pesticide Hazard Assessment Program
  • NPIRS:
    • National Pesticide Information Retrieval System
  • NPL:
  • NPMP:
    • National Pesticide Monitoring Program
  • NPPR:
  • NPRI:
    • National Pollutant Release Inventory
  • NPS:
    • Nonpoint Source
  • NPS:
  • NPTN:
  • NRC:
    • National Response Center
  • NRC:
  • NRC:
  • NRCS:
  • NRD:
  • NRDA:
    • National Recourse Damage Assessment
  • NRDC:
  • NRMD:
    • National Resources Management Division
  • NRO:
  • NRWA:
    • National Rural Water Association
  • NSDWR:
  • NSEC:
    • National System for Emergency Coordination
  • NSEP:
    • National System for Emergency Preparedness
  • NSMP:
    • National Soils Monitoring Program
  • NSPE:
  • NSPS:
  • NSR:
  • NSWMA:
  • NTI:
    • National Toxics Inventory
  • NTIS:
    • National Technical Information Service
  • NTN:
    • National Trends Network
  • NTNCWS:
  • NTP:
  • NTU:
  • NW:
    • Northwest
  • NWA:
    • National Water Alliance
  • NWF:
  • NWRO:
  • NWS:
  • O&M:
    • Operation and Maintenance
  • O&M:
    • Operations and Maintenance
  • O/O:
    • Owner/Operator
  • O3:
    • Ozone
  • OAM:
    • Office of Air Management (IDEM)
  • OAQ:
    • Office of Air Quality (IDEM)
  • OBDII:
    • On-Board Diagnostic Testing
  • OC:
    • Organic Carbon
  • OCCT:
    • Optimal Corrosion Control Treatment
  • OCCTR:
    • Optimal Corrosion Control Treatment Recommendation
  • OCD:
    • Offshore and Coastal Dispersion
  • OCM:
    • Organic Carbon Mass
  • OD:
    • Open Dump
  • OD:
    • Outside Diameter
  • ODP:
    • Ozone-Depleting Potential
  • ODS:
  • OE:
    • Office of Enforcement (IDEM)
  • OEA:
  • OEA:
    • Office of Environmental Adjudication (OEA)
  • OECA:
    • Office of Enforcement and Compliance Assurance
  • OECD:
  • OEI:
  • OER:
  • OF:
    • Optional Form
  • OLC:
    • Office of Legal Council (IDEM)
  • OLQ:
    • Office of Land Quality (IDEM)
  • OLTS:
    • On Line Tracking System
  • OMBA:
    • Office of Management, Budget, and Administration (IDEM)
  • OPA:
    • Office of Planning and Assessment
  • OPA:
    • Oil Pollution Act
  • OPPP:
    • Office of Public Policy and Planning
  • OPPTA:
    • Office of Pollution Prevention and Technical Assistance (IDEM)
  • ORC:
    • Oxygen Release Compound
  • ORM:
    • Other Regulated Material
  • ORP:
    • Oxidation-Reduction Potential
  • ORSANCO:
    • Ohio River Sanitation Commission
  • OSAT:
    • Ozone Source Apportionment Tool
  • OSC:
    • On-scene Site Coordinator
  • OSHA:
  • OSHWM:
  • OSM:
  • OSN:
    • On-Site Notifier
  • OSRW:
    • Outstanding State Resource Water
  • OSWER:
    • Office of Solid Waste and Emergency Response
  • OT:
    • Overtime
  • OTAG:
    • Ozone Transport Assessment Group
  • OTC:
    • Ozone Transport Commission
  • OTR:
    • Ozone Transport Region
  • OVC:
  • OWM:
    • Office of Water Management (IDEM)
  • OWQ:
    • Office of Water Quality (IDEM)
  • P:
    • PCB(s) (CERFA specific)
  • P:
    • Probable (CERFA specific)
  • P:
    • Parel (CERFA specific)
  • P&E:
    • Propellants and Explosives
  • P&T:
    • Pump and Treat
  • P2:
    • Pollution Prevention
  • P4P2:
  • PA:
    • Preliminary Assessment
  • PA/SI:
    • Preliminary Assessment/Site Invesstigation
  • PA/VSI:
    • Preliminary Assessment / Visual Site Inspection
  • PAG:
    • Pesticide Assignment Guidelines
  • PAH:
    • Polynuclear Aromatic Hydrocarbons
  • PAI:
    • Performance Audit Inspection (CWA)
  • PAI:
    • Pure Active Ingredient compound
  • PAM:
    • Pesticide Analytical Manual
  • PAMS:
    • Photochemical Assessment Monitoring Stations
  • PAR:
    • Photosynthetically Activated Radiation
  • PARCC:
    • Precision, Accuracy, Represntiveness, Comparability, Completeness
  • Part A:
    • Interim Status Permit (EPA RCRA Hazardous Waste)
  • Part B:
    • Final Approval Permit (EPA RCRA Hazardous Waste)
  • PAT:
    • Permit Assistance Team (RCRA)
  • PATS:
    • Pesticide Action Tracking System
  • PATS:
    • Pesticides Analytical Transport Solution
  • Pb:
    • Lead
  • PBA:
    • Preliminary Benefit Analysis (BEAD)
  • PBB:
    • Polybrominated Biphenyl
  • PBL:
    • Planetary Boundary Layer
  • PBR:
    • Permit by Rule
  • PBT:
    • Persistent Bioaccumulative Toxics
  • PC:
    • Post Closure
  • PCA:
    • Principle Component Analysis
  • PCA:
    • Pentachloroanisole
  • PCB:
    • Polychlorinated Biphenyl(s)
  • PCCP:
    • Post-Closure Care Period
  • PCDD:
    • Polychlorinated DiBenzo-P-Dioxin
  • PCE:
    • Perchloroethylene
  • PCE:
    • Pollution Control Equipment
  • PCE:
    • Tetrachloroethene (PCE)
  • pCi:
    • picocurie
  • PCM:
    • Phase Contrast Microscopy
  • PCN:
    • Policy Criteria Notice
  • PCO:
    • Pest Control Operator
  • PCP:
    • Pentachlorophenol
  • PCS:
    • Permit Compliance System
  • PCSD:
  • PDCI:
    • Product Data Call-In
  • PDF:
    • Portable, Downloadable File
  • PDSI:
    • Palmer Drought Severity Index
  • PE:
    • Performance Evaluation
  • PE:
    • Professional Engineer
  • PEC:
    • Potential Exposure Concentration
  • PEL:
    • Permissble Exposure Limit
  • PEMS:
    • Particulate Emission Monitoring System
  • PFC:
    • Perfluorated Carbon
  • PFCRA:
    • Program Fraud Civil Remedies Act
  • PFS:
    • Phased Feasibility Study
  • PFT:
    • Plant Functional Type
  • PGI:
    • Professional Geologists of Indiana
  • pH:
    • Hydrogen-ion Activity
  • PHC:
    • Principal Hazardous Constituent
  • PHI:
    • Pre-Harvest Interval
  • PHSA:
  • PI:
    • Program Information
  • PI:
    • Preliminary Injunction
  • PIC:
    • Public Involvement Coordinator
  • PIC:
    • Products of Incomplete Combustion
  • PID:
    • Photoionization Detector
  • PIGS:
    • Pesticides in Groundwater Strategy
  • PIMS:
    • Pesticide Incident Monitoring System
  • PIN:
    • Pesticide Information Network
  • PIN:
    • Procurement Information Notice
  • PIP:
    • Potentially Impacted Parties
  • PIP:
    • Public Involvement Program
  • PIPQUIC:
    • Program Integration Project Queries Used in Interactive Command
  • PIRG:
  • 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:
    • Permit Manager
  • PM:
    • Program Manager
  • PM:
    • Particulate Matter
  • PM:
    • Project Manager
  • PM10:
    • Particulate Matter with a diameter less than or equal to 10 Micrometers
  • PM10-2.5:
    • Particulate Matter with a diameter less than or equal to 10 micrometers, and greater than or equal to 2.5 micrometers
  • PM15:
    • Particulate Matter (nominally 15m and less)
  • PM2.5:
    • Particulate Matter with a diameter less than or equal to 2.5 Micrometers
  • PMAS:
    • Photochemical Assessment Monitoring Stations
  • 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
  • PMSA:
    • Primary Metropolitan Statistical Area
  • PN:
    • Public Notification
  • PNA:
    • Polynuclear Aromatic Hydrocarbons
  • PO:
    • Project Officer
  • POC:
    • Point Of Compliance
  • POC:
    • Perimeter of Compliance
  • POE:
    • Point Of Exposure
  • POE:
    • Point of Entry Treatment Device
  • POE:
    • Point of Entry
  • POGO:
    • Privately-Owned/ Government-Operated
  • POHC:
    • Principal Organic Hazardous Constituent
  • POI:
    • Point Of Interception
  • POL:
    • Petroleum, oil, and lubricants
  • POLREP:
    • Pollution Report
  • POM:
    • Polycyclic Organic Matter
  • POM:
    • Particulate Organic Matter
  • POP:
    • Persistent Organic Pollutant
  • POR:
    • Program of Requirements
  • POTW:
    • Publicly Owned Treatment Works
  • POU:
    • Point of Use
  • POU:
    • Point of Use Treatment Device
  • POV:
    • Privately Owned Vehicle
  • PP:
    • Program Planning
  • PPA:
    • Planned Program Accomplishment
  • PPB:
    • Parts Per Billion
  • PPC:
    • Personal Protective Clothing
  • PPE:
    • Personal Protective Equipment
  • PPG:
    • Performance Partnership Grant
  • PPIC:
    • Pesticide Programs Information Center
  • PPIS:
    • Pesticide Product Information System
  • PPIS:
    • Pollution Prevention Incentives for States
  • PPLS:
  • PPM:
    • Parts Per Million
  • 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
  • PQAO:
    • Primary Quality Assurance Organization
  • PQL:
    • Practical Quantitation Limit
  • PQUA:
    • Preliminary Quantitative Usage Analysis
  • PR:
    • Petroleum disposal or release (CERFA specific)
  • PR:
    • Preliminary Review
  • PR:
    • Pesticide Registration Notice
  • PRA:
    • Paperwork Reduction Act
  • PRA:
    • Planned Regulatory Action
  • PRATS:
    • Pesticides Regulatory Action Tracking System
  • PRC:
    • Planning Research Corporation
  • PRI:
    • Periodic Reinvestigation
  • PRM:
    • Prevention Reference Manuals
  • PRN:
  • PRP:
    • Potentially Responsible Party
  • PRZM:
    • Pesticide Root Zone Model
  • PS:
    • Petroleum Storage (CERFA specific)
  • PS:
    • Point Source
  • PSAM:
    • Point Source Ambient Monitoring
  • PSAT:
    • Particulate Source Apportionment Tool
  • PSC:
    • Program Site Coordinator
  • PSD:
    • Prevention of Significant Deterioration
  • PSES:
    • Pretreatment Standards for Existing Sources
  • PSI:
    • Pressure Per Square Inch
  • PSI:
    • Pollutant Standards Index
  • PSI:
    • Pounds Per Square Inch
  • PSIG:
    • Pressure Per Square Inch Gauge
  • PSM:
    • Point Source Monitoring
  • PSNS:
    • Pretreatment Standards for New Sources
  • PSU:
    • Primary Sampling Unit
  • PT:
    • Pump and Treat
  • 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
  • PV:
    • Project Verification
  • PVC:
    • Polyvinyl Chloride
  • PW:
    • Potable Water
  • PWB:
    • Printed Wiring Board
  • PWEI:
    • Population Weighted Emissions Index
  • PWS:
  • PWSID:
  • PWSS:
  • PX:
    • Post exchange
  • PZ:
    • Piezometer
  • Q:
    • Qualified parcel (CERFA specific)
  • QA:
    • Quality Assurance
  • QA/QC:
    • Quality Assurance / Quality Control
  • QA/QC:
    • Quality Assistance / Quality Control
  • QAC:
    • Quality Assurance Coordinator
  • QAM:
    • Quality Assurance Manager
  • QAMIS:
    • Quality Assurance Management and Information System
  • QAO:
    • Quality Assurance Officer
  • QAPP:
    • Quality Assurance Program Plan
  • QAPP:
    • Quality Assurance Project Plan
  • QATT:
    • 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
  • QMP:
    • Quality Management Plan
  • QNCR:
    • Quarterly Noncompliance Report
  • QPA:
    • Quality Purchase Agreement
  • QUA:
    • Qualitative Use Assessment
  • QUIPE:
    • Quarterly Update for Inspector in Pesticide Enforcement
  • R:
    • Radon (CERFA specific)
  • R&D:
    • Research and Development
  • RA:
    • Regulatory Analysis
  • RA:
    • Remedial Action
  • RA:
    • Risk Assessment
  • RA:
    • Risk Analysis
  • RA:
    • Regulatory Alternatives
  • RA:
    • Resource Allocation
  • RA:
    • Regional Administrator (USEPA)
  • RA:
    • Reasonable Alternative
  • RAATS:
    • RCRA Administrative Action Tracking System
  • RAC:
    • Radiation Advisory Committee
  • RAC:
    • Raw Agricultural Commodity
  • RAC:
    • Regional Asbestos Coordinator
  • RAC:
    • 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
  • RADM:
    • Regional Acid Deposition Model
  • Rads:
    • Radionuclide
  • RAGS:
    • Risk Assessment Guidance for Superfund
  • RAI:
    • Request for Additional Information
  • RAL:
    • Removal Action Levels
  • 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:
    • Remedial Accomplishment Plan
  • RAP:
    • Registration Assessment Panel
  • RAP:
    • Remedial Action Plan
  • RAP:
    • Response Action Plan
  • RAP:
    • Radon Action Program
  • 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:
    • Risk-Based Concentration
  • RBC:
    • Red Blood Cell
  • RC:
    • Responsibility Center
  • RCC:
    • Radiation Coordinating Council
  • RCDO:
    • Regional Case Development Officer
  • RCO:
    • Regional Compliance Officer
  • RCP:
    • Research Centers Program
  • RCR:
    • Remediation Completion Report
  • RCRA:
    • Resource Conservation and Recovery Act
  • RCRA BF:
    • Brownfield Site that falls under RCRA Regulation
  • RCRIS:
  • RD:
    • Radionuclides (CERFA specific)
  • RD&D:
    • Research, Development and Demonstration
  • RD/RA:
    • Remedial Design/Remedial Action
  • RDA:
    • Recommended Daily Allowance
  • RDF:
    • Refuse-Derived Fuel
  • RDNA:
    • Recombinant DNA
  • RDT:
    • Remediation Completion Report
  • RDU:
    • Regional Decision Units
  • RDV:
    • Reference Dose Values
  • RE:
    • Rule Effectiveness
  • RE:
    • Reportable Event
  • RE:
    • Reasonable Efforts
  • READ:
  • REAP:
    • Regional Enforcement Activities Plan
  • 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
  • REF:
    • Reference
  • 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
  • RFA:
    • RCRA Facility Assessment
  • RFB:
    • Request for Bid
  • RfC:
    • Reference Concentration
  • RfD:
    • Reference Dose Values
  • RfD:
    • Reference Dose
  • RFI:
    • RCRA Facility Investigation
  • RFI:
    • Remedial Field Investigation
  • RFP:
    • Request for Proposal
  • RFP:
    • Reasonable Further Programs
  • RHRS:
    • Revised Hazard Ranking System
  • RI:
    • Reconnaissance Inspection
  • RI:
    • Remedial Investigation
  • RI/FS:
    • Remedial Investigation/ Feasibility Study
  • RIA:
    • Regulatory Impact Assessment
  • RIA:
    • Regulatory Impact Analysis
  • RIC:
  • RICO:
    • Racketeer Influenced and Corrupt Organizations Act
  • RIM:
    • Regulatory Interpretation Memorandum
  • RIN:
    • Regulatory Identifier Number
  • RIP:
    • RCRA Implementation Plan
  • RISC:
  • RISC:
  • RJE:
    • Remote Job Entry
  • RL:
    • Review Letter
  • 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
  • RME:
    • Recommended Maximum Exposure
  • RMIS:
    • Resources Management Information System
  • RMSD:
    • Root-Mean-Square Deviation
  • 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
  • ROD:
    • Record of Decision
  • RODS:
    • Records Of Decision System
  • ROG:
    • Reactive Organic Gases
  • ROI:
    • Radius Of Influence
  • ROLLBACK:
    • A Proportional Reduction Model
  • ROM:
    • Regional Oxidant Model
  • ROP:
    • Rate of Progress
  • ROP:
    • Regional Oversight Policy
  • ROPA:
    • Record Of Procurement Action
  • ROSA:
    • Regional Ozone Study Area
  • RP:
    • Respirable Particulates
  • RP:
    • Responsible Party
  • RP:
    • Rule Penetration
  • RP:
    • Radon Progeny Integrated Sampling
  • RPAR:
    • Rebuttable Presumption Against Registration
  • RPD:
    • Relative Percent Difference
  • RPM:
    • Remedial Project Manager
  • RPM:
    • Reactive Plume Model
  • RPO:
    • Regional Planning Organization
  • RPS:
    • Responsible Party Search
  • RQ:
    • Reportable Quantity
  • RQ:
    • Reportable Quantities
  • RRC:
    • Regional Response Center
  • RRF:
    • Relative Reduction Factor
  • RRR:
    • Reduce, Recycle, and Reuse
  • RRT:
    • Regional Response Team
  • RRT:
    • Requisite Remedial Technology
  • RS:
    • Registration Standard
  • RSB:
    • Remediation Services Branch
  • RSCC:
    • Regional Sample Control Center
  • RSD:
    • Risk-Specific Dose
  • RSD:
    • Regional Sewer District
  • RSE:
    • Removal Site Evaluation
  • RSPA:
    • Research and Special Programs Administration
  • RSS:
    • Ranked Set Sampling
  • RTC:
    • Return to Compliance
  • RTCM:
    • Reasonable Transportation Control Measure
  • RTDF:
  • RTDM:
    • Rough Terrain Diffusion Model
  • RTECS:
  • RTM:
    • Regional Transport Model
  • RTP:
  • RUP:
    • Restricted Use Pesticide
  • RVP:
    • Reid Vapor Pressure
  • RWC:
    • Residential Wood Combustion
  • RWS:
  • RWSX:
  • S&A:
    • Surveillance and Analysis
  • S&A:
    • Sampling and Analysis
  • SAB:
  • SAC:
    • Suspended and Cancelled Pesticides
  • SAEWG:
    • Standing Air Emissions Work Group
  • SAIC:
    • Special-Agents-In-Charge
  • SAIP:
    • Systems Acquisition and Implementation Program
  • SampDB:
    • Office of Land Quality Sampling Database
  • SAMWG:
    • Standing Air Monitoring Work Group
  • SANE:
    • Sulfur and Nitrogen Emissions
  • SANSS:
    • Structure and Nomenclature Search System
  • SAP:
    • Sampling and Analysis Plan
  • SAP:
  • SAR:
    • Start Action Request
  • SAR:
    • Structural Activity Relationship (of a qualitative assessment)
  • SARA:
  • SAROAD:
    • Storage and Retrieval Of Aerometric Data
  • SAS:
    • Special Analytical Service
  • SAS:
    • Statistical Analysis System
  • SASS:
    • Speciation Air Sampling System
  • SASS:
    • Source Assessment Sampling System
  • SAV:
    • Submerged Aquatic Vegetation
  • SB:
    • Soil Boring
  • SBC:
    • Single Breath Canister
  • SBS:
    • Sick Building Syndrome
  • SC:
  • SC:
  • SC:
  • SCAP:
    • Superfund Consolidated Accomplishments Plan
  • SCAS:
  • SCBA:
    • Self-Contained Breathing Apparatus
  • SCC:
    • Source Classification Code
  • SCC:
    • Sample Control Coordinator (SCC)
  • SCD/SWCD:
    • Soil or Soil and Water Conservation District
  • SCDM:
    • Superfund Chemical Data Matrix
  • SCFM:
    • Standard Cubic Feet Per Minute
  • SCR:
    • Selective Catalytic Reduction
  • SCRAM:
    • State Consolidated RCRA Authorization Manual
  • SCRC:
    • Superfund Community Relations Coordinator
  • SCS:
    • Supplementary Control Strategy/System
  • SCS:
  • SCSA:
  • SCSP:
    • Storm and Combined Sewer Program
  • SCW:
    • Supercritical Water Oxidation
  • SD:
    • Sediment
  • SD:
    • Site Discovery
  • SDC:
    • Systems Decision Plan
  • SDC:
  • SDWA:
  • SDWIS:
    • Safe Drinking Water Information System
  • SEA:
    • State Enforcement Agreement
  • SEA:
    • State/EPA Agreement
  • SEAM:
    • Surface, Environment, and Mining
  • SEAS:
    • Strategic Environmental Assessment System
  • SEDS:
    • State Energy Data System
  • SEE:
  • SEGIP:
    • State Environmental Goals and Improvement Project
  • SEIA:
    • Socioeconomic Impact Analysis
  • SEM:
    • Standard Error of the Means
  • SEM:
    • Senior Environmental Manager
  • SEMA:
  • SEP:
    • Standard Evaluation Procedures
  • SEP:
    • Supplementary Environmental Project
  • SEPC:
    • State Emergency Planning Commission
  • SEPWC:
  • SES:
    • Secondary Emissions Standard
  • SETAC:
  • SETS:
    • Site Enforcement Tracking System
  • SF:
    • Standard Form
  • SF:
  • 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
  • SFY:
    • State Fiscal Year
  • SGP:
    • Strategic Goals Program
  • SHARP:
    • Synchronized Hybrid Ambient Real-time Particulate
  • SHORTZ:
    • Short Term Terrain Model
  • SHWL:
    • Seasonal High Water Level
  • SI:
    • Site Inspection
  • SI:
    • International System of Units
  • SI:
    • Spark Ignition
  • SI:
    • Surface Impoundment
  • SI:
    • Surveillance Index
  • SI:
  • SIC:
    • Standard Industrial Classification
  • SIC:
    • Standard Industrial Code
  • SICEA:
    • Steel Industry Compliance Extension Act
  • SIF:
  • SIMS:
    • Secondary Ion-Mass Spectrometry
  • SIP:
    • State Implementation Plan
  • SIS:
  • SITE:
    • Superfund Innovative Technology Evaluation
  • SL:
    • Sanitary Landfill
  • SLAMS:
    • State/Local Air Monitoring Station
  • SLN:
    • Special Local Need
  • SMART:
    • Simple Maintenance of ARTS
  • SMAT:
    • Speciated Modeled Attainment Test
  • SMCL:
  • SMCRA:
  • SME:
    • Subject Matter Expert
  • SMO:
    • Sample Management Office
  • SMOA:
    • Superfund Memorandum of Agreement
  • SMOCC:
    • Sample Management Office CLP Coordinator
  • 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 Noncompliance Action Program
  • SNAP:
    • Significant New Alternatives Project
  • SNARL:
    • Suggested No Adverse Response Level
  • SNC:
    • Significant Noncompliers
  • SNC:
    • Significant Noncompliance
  • SNSM:
    • Simple Line Source Model
  • SNUR:
    • Significant New Use Rule
  • SOx:
    • Sulfur Oxides
  • SO2:
    • Sulfur Dioxide
  • SO4:
    • Sulphate
  • SOB:
    • State Office Building
  • SOC:
    • Synthetic Organic Chemicals
  • SOC:
    • Synthetic Organic Compounds
  • SOCMI:
    • Synthetic Organic Chemicals Manufacturing Industry
  • SOFC:
    • Solid Oxide Fuel Cell
  • SOP(S):
    • Standard Operating Procedure(s)
  • SOTDAT:
    • Source Test Data
  • SOW:
    • Scope Of Work
  • SP:
    • Smog Production
  • SP:
    • State Plane
  • SPA:
    • State Program Approval
  • SPAR:
    • Status of Permit Application Report
  • SPCB:
    • Stream Pollution Control Board
  • SPCC:
    • Spill Prevention, Containment, and Countermeasure
  • SPD:
  • SPE:
    • Secondary Particulate Emissions
  • SPF:
    • Structured Programming Facility
  • SPI:
    • Strategic Planning Initiative
  • SPLMD:
    • Soil-pore Liquid Monitoring Device
  • SPLP:
    • Synthetic Precipitation Leaching Procedure
  • SPM:
    • Special Purpose Monitor
  • SPMS:
    • Special Purpose Monitoring Stations
  • SPMS:
    • Strategic Planning and Management System
  • 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:
  • SRM:
    • Standard Reference Material
  • SRM:
    • Standard Reference Method
  • SRP:
    • Special Review Procedure
  • SRR:
    • Second Round Review
  • SRR:
    • Submission Review Record
  • SRS:
    • Simple Random Sampling
  • SRTS:
    • Service Request Tracking System
  • SS:
    • Sanitary Survey
  • SS:
    • Settleable Solids
  • SS:
    • Superfund Surcharge
  • SS:
    • Suspended Solids
  • SSA:
    • Sole Source Aquifer
  • SSAC:
    • Soil Site Assimilated Capacity
  • SSB:
    • Science Services Branch (IDEM/OLQ)
  • SSC:
    • State Superfund Contracts
  • SSD:
    • Standards Support Document
  • SSEIS:
    • Standard Support and Environmental Impact Statement
  • SSEIS:
    • Stationary Source Emissions and Inventory System
  • SSI:
    • Statistically Significant Increase
  • SSI:
    • Size Selective Inlet
  • SSMS:
    • Spark Source Mass Spectrometry
  • SSO:
    • Sanitary Sewer Overflow
  • SSO:
    • Sanitary Sewer Overflow
  • SSOA:
    • Source Specific Operating Agreement
  • SSRP:
    • Source Reduction Review Project
  • SSTS:
    • Section Seven Tracking System
  • SSURO:
    • Stop Sale, Use and Removal Order
  • STALAPCO:
  • STAPPA:
  • STAR:
    • State Acid Rain Projects
  • STAR:
    • Stability Wind Rose
  • STARS:
    • Semi-annual Performance Measure Report
  • STARS:
    • Strategic Targeted Activities for Results System
  • STEL:
    • Short Term Exposure Limit
  • STEM:
    • Scanning Transmission-Electron Microscope
  • StEP:
    • Statistical Evaluation Plan
  • STINET:
  • STN:
    • Speciation Trends Network
  • STN:
  • STORET:
  • STP:
    • Sewage Treatment Plant
  • STP:
    • Standard Temperature and Pressure
  • StRS:
    • Stratified Random Sampling
  • STTP:
    • Small Town Task Force (U.S. EPA)
  • SU:
  • SUP:
    • Standard Unit of Processing
  • SURE:
    • Sulfate Regional Experiment Program
  • SUV:
    • Sport Utility Vehicle
  • SUVA:
    • Specific Ultraviolet Adsorption at 254 nanometers
  • SV:
    • Sampling Visit
  • SV:
    • Significant Violator
  • SVE:
    • Soil Vapor Extraction
  • SVOC:
    • Semi-Volatile Organic Compound
  • SW:
    • Slow Wave
  • SW:
    • Solid Waste
  • SW:
    • Static Water
  • SW:
  • SW:
  • SWANA:
  • SWAP:
    • Source Water Assessment Program
  • SWARF:
    • Waste from Metal Grinding Process
  • SWC:
    • Settlement With Conditions
  • SWDA:
    • Solid Waste Disposal Act
  • SWE:
  • SWL:
    • Static Water Level
  • SWLDF:
    • Solid Waste Land Disposal Facility
  • SWMB:
  • SWMD:
  • SWMU:
    • Solid Waste Management Unit
  • SWOAQA:
    • Southwest Ohio Air Quality Agency
  • SWP:
    • Storm Water Plan
  • SWPA:
    • Source Water Protection Area
  • SWQMS:
    • Surface Water Quality Monitoring Strategy
  • SWQPPP:
    • Source Water Quality Protection Partnership Petitions
  • SWRO:
  • SWTR:
    • Surface Water Treatment Rule
  • SyGS/rs:
    • Systematic Grid Sampling with a Random Starting Point
  • SYSOP:
    • Systems Operator
  • T:
    • Transmissivity
  • TAD:
    • Technical Assistance Document
  • TAG:
    • Technical Assistance Grant
  • TAL:
    • Target Analyte List
  • 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
  • TASO:
    • Training Aids Service Office
  • TAT:
    • Technical Advisory Team
  • TBA:
    • To Be Announced
  • TBD:
    • To Be Determined
  • TBT:
    • Tributyltin
  • TC:
    • Toxic Concentration
  • TC:
    • Toxicity Characteristics
  • TC:
    • Technical Center
  • TC:
    • Target Concentration
  • TCA:
    • Trichloromethane
  • TCDD:
    • Dioxin (Tetrachlorodibenzo-p-dioxin)
  • TCDF:
    • Tetrachlorodi-benzofurans
  • TCE:
    • Trichloroethylene
  • TCF:
    • Total Chlorine Free
  • TCL:
    • Target Compound List
  • TCLP:
    • Toxicity Characteristic Leachate Procedure
  • TCLP:
    • Total Concentrate Leachate Procedure
  • TCM:
    • Transportation Control Measure
  • TCP:
    • Transportation Control Plan
  • TCP:
    • Trichloropropane
  • TCRI:
  • TD:
    • Toxic Dose
  • TDM:
    • Travel Demand Model
  • TDS:
    • Total Dissolved Solids
  • TEAM:
    • Total Exposure Assessment Model
  • TEC:
    • Technical Evaluation Committee
  • TEG:
    • Tetraethylene Glycol
  • TEGD:
    • Technical Enforcement Guidance Document (USEPA)
  • TEL:
    • Tetraethyl Lead
  • TEL:
    • Threshold Effects Level
  • TEM:
    • Texas Episodic Model
  • TEMPO:
    • Tools for Environmental Management and Protection Organizations
  • TEOM:
    • Tapered Element Oscillating Microbalance
  • TEP:
    • Typical End-use Product
  • TEP:
    • Technical Evaluation Panel
  • TERA:
    • TSCA Environmental Release Application
  • TES:
    • Technical Enforcement Support
  • 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:
    • Tentatively Identified Compounds
  • TIC:
    • Technical Information Coordinator
  • TIM:
    • Technical Information Manager
  • TIP:
    • Transportation Improvement Program
  • TIP:
    • Technical Information Package
  • TIS:
    • Tolerance Index System
  • TISE:
    • Take It Somewhere Else
  • TITC:
  • TLF=V:
    • Threshold Limit Value
  • TLV-C:
    • TLV-Ceiling
  • TLV-TWA:
    • TLV-Time Weighted Average
  • TMDL:
    • Total Maximum Daily Limit
  • TMDL:
    • Total Maximum Daily Load
  • TMRC:
    • Theoretical Maximum Residue Contribution
  • TNCWS:
  • TNT:
    • Trinitrotoluene
  • TO:
    • Task Order
  • TOA:
    • Trace Organic Analysis
  • TOC:
    • Total Organic Carbon/Compound
  • TOH:
    • Total Organic Halogens
  • TOX:
    • Tetradichloroxylene
  • TP:
    • Total Particulates
  • TP:
    • Technical Product
  • TPC:
    • Testing Priorities Committee
  • TPH:
    • Total Petroleum Hydrocarbons
  • 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
  • TRADOC:
    • U.S. Army Training and Doctrine Command
  • TRC:
    • Technical Review Committee
  • TRD:
    • Technical Review Document
  • TRI:
  • TRIP:
    • Toxic Release Inventory Program
  • TRIS:
    • Toxic Chemical Release Inventory System
  • TRLN:
  • TRO:
    • Temporary Restraining Order
  • TRS:
    • Terminology Reference System
  • TRV:
    • Toxicity Reference Value
  • TS:
    • Transfer Station (Solid Waste)
  • TS:
    • Tank System
  • TSA:
    • Technical Systems Audit
  • TSCA:
    • Toxic Substances Control Act
  • TSCATS:
    • TSCA Test Submissions Database
  • TSD:
    • Technical Support Document
  • TSD:
    • Treatment, Storage, and Disposal
  • TSDF:
    • Treatment, Storage, and Disposal Facility
  • TSDG:
    • Toxic Substances Dialogue Group
  • TSDR:
    • Treatment, Storage, Disposal and Reclaiming (facility)
  • TSE:
    • RCRA Brownfield Prevention Initiative's Targeted Site Effort
  • TSI:
    • Thermal System Insulation
  • TSM:
    • Transportation System Management
  • TSO:
    • Time Sharing Option
  • TSP:
    • Total Suspended Particulates
  • TSS:
    • Total Suspended (non-filterable) Solids
  • TT:
    • Treatment Technique
  • TTFA:
    • Target Transformation Factor Analysis
  • TTHM:
    • Total Trihalomethane
  • TTN:
    • Technology Transfer Network
  • TTO:
    • Total Toxic Organics
  • TTY:
    • Teletypewriter
  • TUV:
    • Tropospheric Ultraviolet-Visible
  • TVL-STEL:
    • TLV-Short Term Exposure Limit
  • TVOC:
    • Total Volatile Organic Compounds
  • TVOP:
    • Title 5 Operating Permits
  • 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
  • UCL:
    • Upper Confidence Limit
  • UDMH:
    • Unsymmetrical Dimethyl Hydrazine
  • UEL:
    • Upper Explosive Limit
  • UF:
    • Uncertainty Factor
  • UFL:
    • Upper Flammability Limit
  • ug/L:
    • Microgram Per Liter
  • Ug/m3:
    • Micrograms Per Cubic Meter
  • UI:
    • Underground Injection
  • UIC:
    • Underground Injection Control
  • ULCERS:
    • Underground Leaking, Community Right-to-Know and Emergency Response System
  • ULEV:
    • Ultra Low Emission Vehicles
  • UMTRCA:
    • Uranium Mill Tailings Radiation Control Act
  • UNAMAP:
    • Users' Network for Applied Modeling of Air Pollution
  • USAEC:
    • U.S. Army Environmental Center
  • USAEHA:
    • U.S. Army Environmental Hygiene Agency
  • USAEHL:
    • U.S. Army Environmental Health Laboratory
  • USATHAMA:
    • U.S. Army Toxic and Hazardous Materials Agency
  • USB:
    • Universal Serial Bus
  • USCS:
    • Unified Soil Classification System
  • USDA:
  • USDW:
    • Underground Sources of Drinking Water
  • USEPA:
  • USFS:
  • USG:
    • Unhealthy for Sensitive Groups
  • USGS:
    • US Geographical Service
  • USGS:
  • UST:
  • UTL:
    • Upper Tolerance Limit
  • UTM:
    • Universal Transverse Mercator
  • UTP:
    • Urban Transportation Planning
  • UV:
    • Ultraviolet
  • UVA, UVB, UVC:
    • Ultraviolet Radiation Bands
  • UVB:
    • Ultraviolet Radiation Bands
  • UVC:
    • Ultraviolet Radiation Bands
  • UWA:
    • Unified Watershed Assessment
  • UXO:
    • Unexploded Ordnance
  • UZM:
    • Unsaturated Zone Monitoring
  • VALLEY:
    • Meteorological Model to Calculate Concentrations on Elevated Terrain
  • VCM:
    • Vinyl Chloride Monomer
  • VCP:
    • Voluntary Cleanup Program
  • VDR:
    • Valid Data Return
  • VE:
    • Visual Emissions
  • VEO:
    • Visible Emission Observation
  • VFC:
  • VHS:
    • Vertical and Horizontal Spread Model
  • VI:
    • Vapor Intrusion
  • VISTAS:
    • Visibility Improvement State and Tribal Association of the Southeast
  • VISTTA:
    • Visibility Impairment from Sulfur Transformation and Transport in the Atmosphere
  • VMT:
    • Vehicle Miles Traveled
  • VOC:
    • Volatile Organic Compounds
  • VOS:
    • Vehicle Operating Survey
  • VOST:
    • Volatile Organic Sampling Train
  • VP:
    • Vapor Pressure
  • VRA:
    • Voluntary Remediation Agreement
  • VRP:
  • VSCC:
    • Very Sharp Cut Cyclone
  • VSD:
    • Virtually Safe Dose
  • VSI:
    • Visual Site Inspection
  • VSS:
    • Volatile Suspended Solids
  • Vx:
    • Average Linear Velocity
  • WA:
    • Work Assignment
  • WADTF:
    • Western Atmospheric Deposition Task Force
  • WAP:
    • Waste Analysis Plan
  • WAVE:
  • 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:
  • WHP:
  • WHPA:
  • WHPP:
  • WHPP:
  • WHWT:
    • Water and Hazardous Waste Team
  • WICEM:
    • World Industry Conference on Environmental Management
  • WL:
    • Water Level
  • WL:
    • Working Level (radon measurement)
  • WL:
    • Warning Letter
  • WLA:
    • Waste Load Allocation
  • WLA/TMDL:
    • Wasteload Allocation/Total Maximum Daily Load
  • WLE:
    • Water Level Elevation
  • WMO:
  • WOE:
    • Weight of Evidence
  • WP:
    • Waste Pile
  • WP:
    • Wettable Powder
  • WP:
    • Work Plan
  • WPCB:
  • WPCF:
    • Water Pollution Control Federation
  • WQBEL:
    • Water Quality Based Effluent Limits
  • WQM:
    • Water Quality Management
  • WQS:
    • Water Quality Standard
  • WRAP:
    • Western Regional Air Partnership
  • WRDA:
    • Water Resources Development Act
  • WRI:
  • WRS:
    • Watershed Restoration Strategy
  • WSF:
    • Water Soluble Fraction
  • WSRA:
  • WSTB:
  • WSTP:
    • Wastewater Sewage Treatment Plant
  • WT:
    • Water Table
  • WTP:
    • Water Treatment Plant
  • WW:
    • Waste Water
  • WWEMA:
  • WWF:
  • WWTP:
    • Wastewater Treatment Plant
  • WWTU:
    • Wastewater Treatment Unit
  • X:
    • Unexploded ordnance (CERFA specific)
  • XRF:
    • X-Ray Fluorescence
  • YTD:
    • Year to Date
  • ZEV:
    • Zero Emissions Vehicle
  • ZHE:
    • Zero Headspace Extractor
  • ZOI:
    • Zone Of Incorporation
  • ZRL:
    • Zero Risk Level