IDEM Acronyms

# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

IDEM Acronyms

Numbers

• 304:
  • SARA Title III 304 Reporting
• 319:
  • Section 319 Nonpoint Source Program
• 401:
  • Section 401 of the Clean Water Act
• 404:
  • Section 404 of the Clean Water Act

A

• 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:
  • Administrative Adjudication Act
• AAAS:
  • American Association for the Advancement of Science
• AADT:
  • Annual Average Daily Traffic
• AAE:
  • American Academy of Environmental Engineers
• AAEE:
  • American Academy of Environmental Engineers
• AAFES:
  • Army and Air Force Exchange Service
• AAMMS:
  • Ambient Monitoring and Methods Subcommittee
• AAP:
  • Asbestos Action Program
• AAPCO:
  • American Association of Pesticide Control Officials
• AARC:
  • Alliance for Acid Rain Control
• AAS:
  • Atomic Absorption Spectrophotometer
• ABEL:
  • U.S. EPA's computer model for analyzing a violator's ability to pay a civil penalty
• ABES:
  • Alliance for Balanced Environmental Solutions
• AC:
  • Alternating Current
• AC:
  • Actual Commitment
• AC:
  • Advisory Circular
• AC:
  • Assistant Commissioner (IDEM)
• ACA:
  • American Conservation Association
• ACBM:
  • Asbestos-Containing Building Material
• ACE:
  • Any Credible Evidence
• ACE:
  • Alliance for Clean Energy
• ACEEE:
  • American Council for an Energy Efficient Economy
• 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:
  • American Chemical Society
• ACT:
  • Action
• ACTS:
  • Asbestos Contractor Tracking System
• ACWA:
  • American Clean Water Association
• ACWM:
  • Asbestos-Containing Waste Material
• ADABA:
  • Acceptable Data Base
• ADB:
  • Applications Data Base
• ADI:
  • Acceptable Daily Intake
• 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:
  • Atomic Energy Act
• 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:
  • Association of Environmental and Resource Economists
• AERMOD:
  • AMS/EPA Regulatory Model
• AES:
  • Auger Electron Spectrometry
• AFA:
  • American Forestry Association
• AFS:
  • AIRS Facility Subsystem
• AFUG:
  • AIRS Facility Users Group
• AG:
  • Attorney General
• AGC:
  • Associate Generals Counsels
• AGNET:
  • Agricultural and Forestry Network
• AGO:
  • Attorney General's Office
• 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:
  • American Institute of Chemical Engineers
• AICUZ:
  • Air Installation Compatible Use Zones
• AID:
  • Agency for International Development
• AIG:
  • Assistance Inspector General
• AIHA:
  • American Industrial Hygiene Association
• AIHC:
  • American Industrial Health Council
• AIP:
  • Auto Ignition Point
• AIRMON:
  • Atmospheric Integrated Research Monitoring Network
• AIRS:
  • Aerometric Information Retrieval System
• AL:
  • Acceptable Level
• AL:
  • Action Level
• ALA:
  • Delta-Aminolevulinic Acid
• ALA-O:
  • Delta-Aminolevulinic Acid Dehydrates
• ALAPO:
  • Association of Local Air Pollution Control Officers
• ALARA:
  • As Low As Reasonably Achievable
• ALC:
  • Application Limiting Constituent
• 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:
  • Abandon Mine Lands
• 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:
  • American National Standards Institute
• ANSS:
  • American Nature Study Society
• AO:
  • Area Office
• AO:
  • Administrative Officer
• AO:
  • Administrators Office
• AO:
  • Administrative 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:
  • Atlantic Oceanographic and Meteorological Laboratory
• AP:
  • Accounting Point
• APA:
  • Administrative Procedures Act
• APC:
  • Air Pollution Control
• APCA:
  • Air Pollution Control Association
• APCA:
  • Anthropogenic Pre-Cursor Culpability Assessment
• APCB:
  • Air Pollution Control Board
• APCD:
  • Air Pollution Control District
• APDS:
  • Automated Procurement Documentation System
• APHA:
  • American Public Health Association
• API:
  • American Petroleum Institute
• APRAC:
  • Urban Diffusion Model for Carbon Monoxide from Motor Vehicle Traffic
• APTI:
  • Air Pollution Training Institute
• APWA:
  • American Public Works Association
• AQ-7:
  • Non-reactive Pollutant Modeling
• AQCCT:
  • Air-Quality Criteria and Control Techniques
• AQCP:
  • Air Quality Control Program
• AQCR:
  • Air Quality Control Region (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:
  • Army Reserve Command
• ARCS:
  • Alternative Remedial Contract Strategy
• AREE:
  • Area Requiring Environmental Evaluation
• ARG:
  • American Resources Group
• ARIP:
  • Accidental Release Information Program
• ARL:
  • Air Resources Laboratory
• ARM:
  • Air Resources Management
• ARNEWS:
  • Acid Rain National Early Warning Systems
• ARO:
  • Alternate Regulatory Option
• ARRP:
  • Acid Rain Research Program
• ARRPA:
  • Air Resources Regional Pollution Assessment Model
• ARS:
  • Agricultural Research Service
• ARZ:
  • Auto Restricted Zone
• AS:
  • Air Sparge
• AS:
  • Air Stripper
• AS:
  • Area Source
• ASAP:
  • As Soon As Possible
• ASC:
  • Area Source Category
• ASCE:
  • American Society of Civil Engineers
• ASDWA:
  • Association of State Drinking Water Administrators
• ASHAA:
  • Asbestos in Schools Hazard Abatement Act
• ASHRAE:
  • American Society of Heating, Refrigerating, and Air-Conditioning Engineers
• ASIWCPA:
  • Association of State and Interstate Water Pollution Control Administrators
• ASMDHS:
  • Airshed Model Data Handling System
• ASQC:
  • American Society for Quality Control
• ASRL:
  • Atmospheric Sciences Research Laboratory
• AST:
  • Advanced Secondary (Wastewater) Treatment
• AST:
  • Aboveground Storage Tank
• ASTHO:
  • Association of State and Territorial Health Officers
• ASTM:
  • American Society for Testing and Materials
• ASTSWMO:
  • Association of State and Territorial Solid Waste Management Officials
• AT:
  • Advanced Treatment
• AT:
  • Alpha Track Detection
• ATERIS:
  • Air Toxics Exposure and Risk Information System
• ATS:
  • Action Tracking System
• ATS:
  • Allowance Tracking System
• ATSDR:
  • Agency for Toxic Substances and Disease Registry
• 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:
  • Air and Waste Management Association
• AWRA:
  • American Water Resources Association
• AWT:
  • Advanced Wastewater Treatment
• AWWA:
  • American Water Works Association
• AWWARF:
  • American Water Works Association Research Foundation

B

• BAA:
  • Board of Assistance Appeals
• 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:
  • Branch Chief (IDEM)
• 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:
  • Brownfields Environmental Assessment
• BEJ:
  • Best Engineering Judgment
• BEJ:
  • Best Expert Judgment
• BF:
  • Bonafide Notice of Intent to Manufacture or Import (IMD/OTS)
• BF:
  • Brownfields (IDEM)
• 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:
  • U.S. Bureau of Land Management
• BLS:
  • Bureau of Labor Statistics
• 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:
  • Board of Health (Indiana State Department of Health)
• 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:
  • Bibliographic Retrieval Service
• BSI:
  • British Standards Institute
• 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)

C

• C:
  • Celsius
• C/D:
  • Construction/Demolition Site
• 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:
  • Clean Air Act Amendments
• CAATS:
  • Computer Assisted Approval and Tracking System
• CAER:
  • Community Awareness and Emergency Response
• CAFE:
  • Corporate Average Fuel Economy
• 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:
  • Center for Automotive Safety
• CAS:
  • Chemical Abstract Service
• CAS#:
  • Chemical Abstract Service Number
• CASAC:
  • Clean Air Scientific Advisory Committee
• CASLP:
  • Conference on Alternative State and Local Practices
• CASTNet:
  • Clean Air Status and Trends Network
• CATS:
  • Corrective Action Tracking System
• CAU:
  • 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:
  • Congressional Budget Office
• 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:
  • Center for Clean Air Policy
• 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:
  • Clean Coal Technology Program
• CD:
  • Consent Decree
• CD:
  • Compact Disk
• CD:
  • Climatological Data
• CDB:
  • Consolidated Data Base
• CDBA:
  • Central Data Base Administrator
• CDBG:
  • Community Development Block Grant
• CDC:
  • Centers for Disease Control
• 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
• CDS:
  • Construction/Demolition Site
• 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:
  • Commission for Environmental Cooperation
• 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:
  • Chemical Emergency Preparedness Plan
• CEQ:
  • Council on Environmental Quality
• CERCLA:
  • Comprehensive Environmental Response, Compensation, and Liability Act (1980)
• CERCLIS:
  • Comprehensive Environmental Response, Compensation, and Liability Information System
• CERFA:
  • Community Environmental Response Facilitation Act
• CERT:
  • Certificate of Eligibility
• CESQG:
  • Conditionally Exempt Small Quantity Generator
• CEST:
  • Community Environmental Service Teams
• CF:
  • Conservation Foundation
• CFC:
  • Chlorofluorocarbons
• CFM:
  • Cubic Feet per Minute
• CFM:
  • Chlorofluoromethanes
• CFO:
  • Concentrated Feeding Operation
• CFO:
  • Confined Feeding Operation
• CFR:
  • Code of Federal Regulations
• 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:
  • Cement Kiln Recycling Coalition
• 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:
  • Conservation Law Foundation
  • >
• CLI:
  • Consumer Labeling Initiative
• 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:
  • Construction Permit
• cPAH:
  • Carcinogenic 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:
  • Center for the Study of Responsive Law
• CSS:
  • Combined Sewer System
• CT:
  • Product of Residual Disinfectant Concentration and Corresponding Disinfectant Contact Time
• CTAP:
  • Compliance and Technical Assistance Program (IDEM)
• 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:
  • Clean Water Action
• CWA:
  • Clean Water Act (aka FWPCA)
• CWAP:
  • Clean Water Action Project
• CWOP:
  • Construction Without a Permit
• CWS:
  • Community Water System
• CWTC:
  • Chemical Waste Transportation Council
• CZARA:
  • Coastal Zone Management Act Reauthorization Amendments
• CZMA:
  • Coastal Zone Management Act

D

• 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:
  • Department of Environmental Management (Indiana)
• 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.:
  • Director (IDEM)
• 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:
  • Indiana Department of Natural Resources
• DO:
  • Dissolved Oxygen
• DOC:
  • Demonstration of Capability
• DOC:
  • U.S Department of Commerce
• DOD:
  • U.S. Department of Defense
• DOE:
  • U.S. Department of Energy
• DOI:
  • U.S. Department of Interior
• DOJ:
  • U.S. Department of Justice
• DOL:
  • U.S. Department of Labor
• DOR:
  • Indiana Department of Revenue
• DOT:
  • U.S. Department of Transportation
• DOW:
  • Defenders Of Wildlife
• 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:
  • Ducks Unlimited
• DUC:
  • Decision Unit Coordinator
• DV:
  • Design Value
• DW:
  • Direct Push Water
• DW:
  • Drinking Water
• DWB:
  • Drinking Water Branch (IDEM)
• DWEL:
  • Drinking Water Equivalent Level
• DWS:
  • Drinking Water Standard
• DWSRF:
  • Drinking Water State Revolving Fund

E

• E:
  • Excluded Parcel (CERFA specific)
• E3:
  • U.S. Environmental Protection Agency Economy, Energy and Environment Program
• 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:
  • Environmental Alliance for Senior Involvement
• 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:
  • Environmental Council of the States
• ECOTOX:
  • ECOTOXicology
• ECR:
  • Enforcement Case Review
• ECRA:
  • Economic Cleanup Responsibility Act
• ED:
  • Effective Dose
• EDA:
  • Emergency Declaration Area
• EDB:
  • Ethylene Dibromide
• EDC:
  • Ethylene Dichloride
• EDD:
  • Enforcement Decision Document
• EDF:
  • Environmental Defense Fund
• 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:
  • Environment and Energy Study Institute
• EESL:
  • Environmental Ecological and Support Laboratory
• EETFC:
  • Environmental Effects, Transport, and Fate Committee
• EF:
  • Emission Factor
• EFO:
  • Equivalent Field Office
• 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:
  • Environmental Law Institute
• ELR:
  • Environmental Law Reporter
• ELTF:
  • Excess Liability Trust Fund
• 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:
  • Earth Protectors
• EP tox:
  • Extraction Procedure Toxicity Characteristic
• EPA:
  • Environmental Protection Agency
• EPA:
  • U.S. Environmental Protection Agency (U.S. EPA)
• EPAA:
  • Environmental Programs Assistance Act
• EPAAR:
  • U.S. EPA Acquisition Regulations
  • >
• EPACT:
  • Environmental Policy Act
• EPC:
  • Exposure Point Concentration
• EPCA:
  • Energy Policy and Conservation Act
• EPCRA:
  • Emergency Planning and Community Right to Know Act
• EPCRA:
  • Emergency Preparedness and Community Right to Know Act (IDEM)
• EPD:
  • Emergency Planning District
• EPI:
  • Environmental Policy Institute
• EPIC:
  • Environmental Photographic Interpretation Center
• EPIC:
  • Environmental Portal for Indiana Citizens
• EPNL:
  • Effective Perceived Noise Level
• EPRI:
  • Electric Power Research Institute
• EPTC:
  • Extraction Procedure Toxicity Characteristic
• EQIP:
  • Environmental Quality Incentives Program
• EQL:
  • Estimated Quantitation Limit
• EQSC:
  • Environmental Quality Service Council
• ER:
  • Ecosystem Restoration
• ER:
  • Electrical Resistivity
• ERA:
  • Economic Regulatory Agency
• ERAG:
  • Ecological Risk Assessment Guidance
• ERAMS:
  • Environmental Radiation Ambient Monitoring System
• 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:
  • Environmental Research and Education Foundation
• ERL:
  • Environmental Research Laboratory
• ERNS:
  • Emergency Response Notification System
• 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:
  • Endangered Species Act
• ESC:
  • Endangered Species Committee
• ESCA:
  • Electron Spectroscopy for Chemical Analysis
• ESCAP:
  • Economic and Social Commission for Asia and the Pacific
• 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:
  • Exposure Analysis Modeling System
• ExEx:
  • Expected Exceedance

F

• F:
  • Fahrenheit
• F/M:
  • Food to Microorganism Ratio
• FAA:
  • Federal Aviation Administration
• FACA:
  • Federal Advisory Committee Act
• FAN:
  • Fixed Account Number
• FAO:
  • Food and Agricultural Organization
• FATES:
  • FIFRA and TSCA Enforcement System
• FB:
  • Field Blank
• FBC:
  • Fluidized Bed Combustion
• FBH:
  • Fort Benjamin Harrison
• FBI:
  • Federal Bureau of Investigation
• 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:
  • Food and Drug Administration
• 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:
  • Federal Emergency Management Agency
• FEPCA:
  • Federal Environmental Pesticide Control Act; enacted as amendments to FIFRA.
• FERC:
  • Federal Energy Regulatory Commission
• 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:
  • Federal Land Policy and Management Act
• FM:
  • Fire Marshal (Office of the State)
• 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:
  • Friends Of the Earth
• FOIA:
  • Freedom Of Information Act
• FOISD:
  • Fiber Optic Isolated Spherical Dipole Antenna
• FONSI:
  • Finding Of No Significant Impact
• FORAST:
  • Forest Response to Anthropogenic Stress
• FP:
  • 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:
  • Food Quality Protection Act
• FR:
  • Final Rulemaking
• FR:
  • Federal Register
• 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:
  • Facility Registry System (U.S. EPA)
• 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:
  • Federal Water Pollution and Control Act (aka CWA)
• FY:
  • Fiscal Year
• FYI:
  • For Your Information

G

• 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:
  • Global Environmental Management Initiative
• GEMS:
  • Graphical Exposure Modeling System
• GEMS:
  • Global Environmental Monitoring System
• GEP:
  • Good Engineering Practice
• GFAAS:
  • Graphite Furnace Atomic Adsorption Spectrophotometer
• 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:
  • Great Lakes Environmental Research Laboratory
• GLISP:
  • Great Lakes International Surveillance Plan
• GLNPO:
  • Great Lakes National Program Office
• GLP:
  • Good Laboratory Practices
• GLPN:
  • Great Lakes Precipitation Network
• GLPPR:
  • Great Lakes Pollution Prevention Roundtable
• GLWQA:
  • Great Lakes Water Quality Agreement
• 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:
  • Governmental Performance and Results Act (IDEM)
• 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:
  • Geological Society of America
• 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:
  • Ground Water Disinfection Rule
• GWM:
  • Ground Water Monitoring
• GWP:
  • Global Warming Potential
• GWPC:
  • Ground Water Protection Council
• GWPS:
  • Ground Water Protection Strategy
• GWPS:
  • Ground Water Protection Standard
• GWQS:
  • Ground Water Quality Standard (Indiana)
• GWUDI:
  • Ground Water Under the Direct Influence of Surface Water

H

• 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:
  • Hazardous Waste Operations and Emergency Response
  • i>
• 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:
  • Hoosier Environmental Council
• HECC:
  • House Energy and Commerce Committee
• HEI:
  • Health Effects Institute
• HEM:
  • Human Exposure Modeling
• HEPA:
  • High-Efficiency Particulate Air
• HEPA:
  • Highly Efficient Particulate Air Filter
• HERS:
  • Hyperion Energy Recovery System
• HFC:
  • Hydrofluorocarbon
• HHDDV:
  • Heavy Heavy-Duty Diesel Vehicle
• HHE:
  • Human Health and the Environment
• HHS:
  • U.S. Department of Health and Human Services
• 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 specific)
• 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:
  • Hydrologic Unit Code
• HUD:
  • U. S. Housing and Urban Development
• HVAC:
  • Heating, Ventilation, and Air-Conditioning system
• HVIO:
  • High Volume Industrial Organics
• HW:
  • Hazardous Waste
• HWDMS:
  • Hazardous Waste Data Management System
• HWGTF:
  • Hazardous Waste Groundwater Task Force
• HWGTF:
  • Hazardous Waste Groundwater Test Facility
• HWIR:
  • Hazardous Waste Identification Rule
• HWLDF:
  • Hazardous Waste Land Disposal Facility
• HWLF:
  • Hazardous Waste Landfill
• HWLT:
  • Hazardous Waste Land Treatment
• HWM:
  • Hazardous Waste Management
• HWRTF:
  • Hazardous Waste Restrictions Task Force
• HWSA:
  • Hazardous Waste Site Assessment
• HWSU:
  • Hazardous Waste Storage Units
• HWTC:
  • Hazardous Waste Treatment Council

I

• I&M:
  • Vehicle Inspection & Maintenance
• I/A:
  • Innovative/Alternative
• I/M:
  • Inspection/Maintenance
• I/SW:
  • Industrial/Special Waste (IDEM)
• IA:
  • Interagency Agreement
• IA:
  • Integrated Assessment
• IAAC:
  • Interagency Assessment Advisory Committee
• IAC:
  • Indiana Administrative Code
• IACT:
  • Indiana Association of Cities and Towns
• IADN:
  • Integrated Atmospheric Deposition Network
• IAEA:
  • International Atomic Energy Agency
• IAG:
  • Interagency Agreement
• IAP:
  • Incentive Awards Program
• IAP:
  • Indoor Air Pollution
• IAQ:
  • Indoor Air Quality
• IARC:
  • International Agency for Research on Cancer
• IATDB:
  • Interim Air Toxics Data Base
• IBSIN:
  • Innovations in Building Sustainable Industries
• IBT:
  • Industrial Biotest Laboratory
• IC:
  • Internal Combustion
• IC:
  • Indiana Code
• ICAIR:
  • Interdisciplinary Planning and Information Research
• ICAP:
  • Inductively Coupled Argon Plasma
• ICB:
  • Information Collection Budget
• ICBN:
  • International Commission on the Biological Effects of Noise
• ICCP:
  • International Climate Change Partnership
• ICE:
  • 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:
  • International Commission on Radiological Protection
• ICRU:
  • International Commission on Radiation Units and Measurements
• ICS:
  • Intermittent Control Strategies
• ICS:
  • Intermittent Control System
• ICS:
  • Incident Command System
• ICs:
  • Institutional Controls
• ICS:
  • Institute for Chemical Studies
• ICWM:
  • Institute for Chemical Waste Management
• ID:
  • Inner Diameter
• IDEM:
  • Indiana Department of Environmental Management
• IDETS:
  • Indiana Department of Employee Training Services
• IDHS:
  • Indiana Department of Homeland Security
• IDLH:
  • Immediately Dangerous to Life and Health
• IDNR:
  • Indiana Department of Natural Resources
• IEB:
  • International Environment Bureau
• IEHA:
  • Indiana Environmental Health Association
• IEI:
  • Indiana Environmental Institute
• IEMP:
  • Integrated Environmental Management Project
• IERC:
  • Indiana Emergency Response Commission
• IERC:
  • Indiana Emergency Response Coordination
• IES:
  • Institute for Environmental Studies
• IESA:
  • Electronic Subscriber Agreement
• IFB:
  • Invitation for Bid
• IFCAM:
  • Industrial Fuel Choice Analysis Model
• IFCS:
  • Intergovernmental Forum on Chemical Safety
• IFES:
  • Indiana Forum Environmental Safety
• IFIS:
  • Industry File Information System
• IFIS:
  • Indiana Facility Information System
• IFMO:
  • Indiana Fire Marshall Office
• IFMS:
  • Integrated Financial Management System
• IFPP:
  • Industrial Fugitive Process Particulate
• IFRS:
  • Indiana Facility Registry System (IDEM)
• IG:
  • Indiana Geologists
• IGCC:
  • Integrated Gasification Combined Cycle
• IGCI:
  • Industrial Gas Cleaning Institute
• IGCN:
  • Indiana Government Center North
• IGCS:
  • Indiana Government Center South
• IGIC:
  • Indiana Geographic Information Council
• IGISI:
  • Indiana Geographic Information System Initiative
• IGS:
  • Indiana Geological Survey
• IINERT:
  • In-Place Inactivation and Natural Restoration Technologies
• IIOA:
  • Indiana Industrial Operators Association
• IIS:
  • Inflationary Impact Statement
• IJC:
  • International Joint Commission (on Great Lakes)
• IKE:
  • Improving Kids’ Environment
• IMA:
  • Indiana Manufacturers’ Association
• IMM:
  • Intersection Midblock Model
• IMPACT:
  • Integrated Model of Plumes and Atmosphere in Complex Terrain
• IMPROVE:
  • Interagency Monitoring of Protected Visual Environment
• IN:
  • Incinerator
• IN:
  • Indiana
• INAAP:
  • Indiana Army Ammunition Plant
• INAWDAC:
  • International Agency Water Data Committee
• INDOT:
  • Indiana Department of Transportation
• INP:
  • Incinerator
• INPUFF:
  • Gaussian Puff Dispersion Model
• INT:
  • Intermittent
• IOB:
  • Iron Ore Beneficiation
• IOC:
  • Inorganic Chemicals
• IOSHA:
  • Indiana Occupational Safety and Health Administration
• IOU:
  • Input/Output Unit
• IP:
  • Inhalable Particles
• IPCC:
  • Intergovernmental Panel on Climate Change
• 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:
  • Indiana Register
• 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:
  • Indiana State Board of Health (Department of Health)
• 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:
  • Indiana State Department Health
• ISE:
  • Ion-specific electrode
• ISM:
  • Indiana Scoring Model
• ISMAP:
  • Indirect Source Model for Air Pollution
• ISO:
  • International Organization for Standardization
• ISO:
  • International Standard Organization
• ISPF:
  • (IBM) Interactive System Productivity Facility
• ISPLS:
  • Indiana Society of Professional Land Surveyors
• 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:
  • Innovative Treatment Remediation Demonstration
• IUP:
  • Intended Use Plan
• IUR:
  • Inventory Update Rule
• IW:
  • Industrial Waste (IDEM)
• IWC:
  • In-Stream Waste Concentration
• IWEA:
  • Indiana Water Environment Association
• IWPCA:
  • Indiana Water Pollution Control Association
• IWPP:
  • Industrial Wastewater Pretreatment Permits
• IWRA:
  • Indiana Water Resources Association
• IWRA:
  • Indiana Water Resources Association
• IWS:
  • Ionizing Wet Scrubber

J

• JAPCA:
  • Journal of Air Pollution Control Association
• JAWMA:
  • Journal of Air and Waste Management Association
• JCL:
  • Job Control Language
• JEC:
  • Joint Economic Committee (House)
• JEC:
  • Joint Economic Committee (Senate)
• 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

• K:
  • Hydraulic Conductivity
• KDEP:
  • Kentucky Department for Environmental Protection

L

• L:
  • Lead –based paint (CERFA specific)
• LAA:
  • Lead Agency Attorney
• LADCO:
  • Lake Michigan Air Directors Consortium
• 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:
  • Leading Environmental Analysis and Display System
• LEAP:
  • Learning and Environmental Awareness Partnership
• LEL:
  • Lowest Effect Level
• LEL:
  • Lower Explosive Limit
• LEP:
  • Laboratory Evaluation Program
• LEPC:
  • Local Emergency Planning Committee
• 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:
  • Licensed Professional Geologist
• LQER:
  • Lesser Quantity Emission Rates
• LQG:
  • Large Quantity Generator
• LRTAP:
  • Long Range Transboundary Air Pollution
• LSA:
  • Legislative Services Agency
• LTF:
  • Land Treatment Facility
• LTTD:
  • Low Temperature Themal Desorption
• LUIS:
  • Label Use Information System
• LUST:
  • Leaking Underground Storage Tank

M

• 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:
  • Maximum Contaminant Level
• MCLG:
  • Maximum Contaminant Level Goal
• 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 Ketone
• 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:
  • Municipal Solid Waste
• MSWLF:
  • Municipal Solid Waste Landfill Facility
• 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
• MWP:
  • Medical Waste Processor
• MWWTP:
  • Municipal Waste-Water Treatment Plant

N

• N/A:
  • Not Applicable
• N/A:
  • Not Available
• ne:
  • Effective Porosity
• N2O:
  • Nitrous Oxide
• NA:
  • Nonattainment
• NA:
  • U.S. National Archives
• NAA:
  • Nonattainment Area
• NAAEC:
  • North American Agreement on Environmental Cooperation
• NAAQM:
  • National Ambient Air Quality Monitoring
• NAAQS:
  • National Ambient Air Quality Standards
• NACA:
  • National Agricultural Chemicals Association
• NACEPT:
  • National Advisory Council for Environmental Policy and Technology
• NACWA:
  • National Association of Clean Water Agencies
• NAFSMA:
  • National Association of Flood & Stormwater Management Agencies
• NAICS:
  • North American Industry Classification System
• NALM:
  • North American Lake Management
• NALMS:
  • North American Lake Management Society
• 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:
  • National Air Pollution Surveillance
• NAR:
  • National Asbestos Registry
• NARA:
  • National Agrichemical Retailers Association
• NARA:
  • National Air Resources Act
• NARA:
  • U.S. National Archives and Record Administration
• NARTSO:
  • North American Research Strategy for Tropospheric Ozone
• NAS:
  • National Academy of Sciences
• NASDA:
  • National Association of State Departments of Agriculture
• NATA:
  • National Air Toxics Assessment
• NATICH:
  • National Air Toxics Information Clearinghouse
• NATTS:
  • National Air Toxics Trends Station
• NCAMP:
  • National Coalition Against the Misuse of Pesticides
• NCAR:
  • National Center for Atmospheric Research
• NCEA:
  • National Center for Environmental Assessment
• NCEPI:
  • National Center for Environmental Publications and Information
• NCore:
  • National Core multi-pollutant monitoring stations
• NCP:
  • National Contingency Plan
• NCWS:
  • Non-Community Water System
• NEDRES:
  • National Environmental Data Referral Service (NOAA)
• NEDS:
  • National Emissions Data System
• NEERI:
  • National Environmental Engineering Research Institute
• NEHA:
  • National Environmental Health Association
• NEI:
  • National Emission Inventory
• NEPA:
  • National Environmental Policy Act
• NEPI:
  • National Environmental Policy Institute
• NEPPS:
  • National Environmental Performance Partnership System
• NESHAP:
  • National Emission Standard for Hazardous Air Pollutants
• NESHTA:
  • National Environmental, Safety, and Health Training Organization
• NET:
  • National Environmental Testing
• NETA:
  • National Environmental Training Association
• 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:
  • National Ground Water Association
• NH3:
  • Ammonia
• NH4:
  • Ammonium
• NICT:
  • National Incident Coordination Team
• NIEHS:
  • National Institute for Environmental Health Sciences
• NIMBY:
  • Not In My Backyard
• NIOSH:
  • National Institute of Occupational Safety and Health
• NIRPC:
  • Northwest Indiana Regional Plan Commission
• NISAC:
  • National Industrial Security Advisory Committee
• NIST:
  • National Institute of Standards and Technology
• NLM:
  • National Library of Medicine
• NM:
  • Nanometer
• NMFS:
  • National Marine Fisheries Service
• NMHC:
  • Nonmethane Hydrocarbons
• NMOC:
  • Non-Methane Organic Component
• NMSWLF:
  • Non-Municipal Solid Waste Landfill Facility
• NMVOC:
  • Non-methane Volatile Organic Chemicals
• NO:
  • Nitric Oxide
• NO2:
  • Nitrogen Dioxide
• NO3:
  • Nitrate
• NOA:
  • Notice of Arrival
• NOAA:
  • National Oceanographic and Atmospheric Administration
• 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:
  • Non-Municipal Solid Waste Landfill Facility
• 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:
  • National Pest Control Association
• NPD:
  • Nonrule Policy Document
• NPDES:
  • National Pollutant Discharge Elimination System (Federal)
• NPDES:
  • National Pollutant Discharge Elimination System (State)
• NPDWR:
  • National Primary Drinking Water Regulation
• NPHAP:
  • National Pesticide Hazard Assessment Program
• NPIRS:
  • National Pesticide Information Retrieval System
• NPL:
  • National Priorities List
• NPMP:
  • National Pesticide Monitoring Program
• NPPR:
  • National Pollution Prevention Roundtable
• NPRI:
  • National Pollutant Release Inventory
• NPS:
  • Nonpoint Source
• NPS:
  • U.S. National Park Service
• NPTN:
  • National Pesticide Telecommunications Network
• NRC:
  • National Response Center
• NRC:
  • U.S. Nuclear Regulatory Commission
• NRC:
  • National Recycling Coalition
• NRCS:
  • Natural Resources Conservation Service
• NRD:
  • Natural Resource Damage
• NRDA:
  • National Recourse Damage Assessment
• NRDC:
  • Natural Resources Defense Council
• NRMD:
  • National Resources Management Division
• NRO:
  • Northern Regional Office
• NRWA:
  • National Rural Water Association
• NSDWR:
  • National Secondary Drinking Water Regulations
• NSEC:
  • National System for Emergency Coordination
• NSEP:
  • National System for Emergency Preparedness
• NSMP:
  • National Soils Monitoring Program
• NSPE:
  • National Society for Professional Engineers
• NSPS:
  • New Source Performance Standards
• NSR:
  • New Source Review
• NSW:
  • Non-municipal Solid Waste Landfill
• NSWMA:
  • National Solid Waste Management Association
• NTI:
  • National Toxics Inventory
• NTIS:
  • National Technical Information Service
• NTN:
  • National Trends Network
• NTNCWS:
  • Non-Transient Non-Community Water System
• NTP:
  • National Toxicology Program
• NTU:
  • nephelometric turbidity units
• NW:
  • Northwest
• NWA:
  • National Water Alliance
• NWF:
  • National Wildlife Federation
• NWRO:
  • Northwest Regional Office
• NWS:
  • National Weather Service

O

• 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:
  • Ozone-Depleting Substances
• OE:
  • Office of Enforcement (IDEM)
• OEA:
  • Office of External Affairs (IDEM)
• OEA:
  • Office of Environmental Adjudication (OEA)
• OECA:
  • Office of Enforcement and Compliance Assurance
• OECD:
  • Organization for Economic Cooperation and Development
• OEI:
  • Office of Environmental Investigations (IDEM)
• OER:
  • Office of Environmental Response (IDEM)
• 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:
  • Occupational Health and Safety Administration
• OSHWM:
  • Office of Solid and Hazardous Waste Management (IDEM)
• OSM:
  • Office of Surface Mining (Federal)
• 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
• OVA:
  • Organic Vapor Analyzer
• OVC:
  • Office of Voluntary Compliance (IDEM)
• OWM:
  • Office of Water Management (IDEM)
• OWQ:
  • Office of Water Quality (IDEM)

P

• 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:
  • Partners for Pollution Prevention
• PA:
  • Preliminary Assessment
• PA/SI:
  • Preliminary Assessment/Site Investigation
• 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
• PARCCS:
  • Precision, Accuracy, Representativeness, Completeness, Comparability, and Sensitivity
• 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:
  • President's Council on Sustainable Development
• 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:
  • Permissible Exposure Limit
• PEMS:
  • Particulate Emission Monitoring System
• PFC:
  • Perfluorinated Carbon
• PFCRA:
  • Program Fraud Civil Remedies Act
• PFO:
  • Processing Facility – Other
• 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:
  • Public Health Service Act
• 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:
  • Public Interest Research Group
• PIRT:
  • Pretreatment Implementation Review Task Force
• PIT:
  • Permit Improvement Team
• PITS:
  • Project Information Tracking System
• PLIRRA:
  • Pollution Liability Insurance and Risk Retention Act
• PLM:
  • Polarized Light Microscopy
• PLUVUE:
  • Plume Visibility Model
• PM:
  • 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:
  • Pesticide Product Label System
• 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:
  • Pesticide Registration Notice
• 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:
  • Public Water Supply/System
• PWSID:
  • Public Water Supply Identification Number
• PWSS:
  • Public Water Supply System
• PX:
  • Post exchange
• PZ:
  • Piezometer

Q

• 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

• 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:
  • Resource Conservation and Recovery Information System
• 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:
  • Registry of EPA Applications and Databases
• 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 Progress
• 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:
  • Radon Information Center
• RICO:
  • Racketeer Influenced and Corrupt Organizations Act
• RIM:
  • Regulatory Interpretation Memorandum
• RIN:
  • Regulatory Identifier Number
• RIP:
  • RCRA Implementation Plan
• RISC:
  • Regulatory Information Service Center
• RISC:
  • Risk Integrated System of Closure
• 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:
  • Remediation Technologies Development Forum
• RTDM:
  • Rough Terrain Diffusion Model
• RTECS:
  • Registry of Toxic Effects of Chemical Substances
• RTM:
  • Regional Transport Model
• RTP:
  • Research Triangle Park
• RUP:
  • Restricted Use Pesticide
• RVP:
  • Reid Vapor Pressure
• RW1:
  • Restricted Waste Site – Type 1 (I)
• RW2:
  • Restricted Waste Site – Type 2 (II)
• RW3:
  • Restricted Waste Site – Type 3 (III)
• RW4:
  • Restricted Waste Site – Type 4 (IV)
• RWC:
  • Residential Wood Combustion
• RWS:
  • Restricted Waste Site I, II, III, or IV
• RWX:
  • Restricted Waste Site – Type to be determined
• RWSX:
  • Restricted Waste Site Unclassified

S

• S&A:
  • Surveillance and Analysis
• S&A:
  • Sampling and Analysis
• SAB:
  • Science Advisory Board
• SAC:
  • Suspended and Cancelled Pesticides
• SAEWG:
  • Standing Air Emissions Work Group
• SAIC:
  • Special-Agents-In-Charge
• SAIP:
  • Systems Acquisition and Implementation Program
• 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:
  • Scientific Advisory Panel
• SAR:
  • Start Action Request
• SAR:
  • Structural Activity Relationship (of a qualitative assessment)
• SARA:
  • Superfund Amendments and Reauthorization Act of 1986
• SAROAD:
  • Storage and Retrieval Of Aerometric Data
• SAS:
  • Special Analytical Service
• 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:
  • State Cleanup (IDEM)
• SC:
  • Section Chief (IDEM)
• SC:
  • Sierra Club
• SCAP:
  • Superfund Consolidated Accomplishments Plan
• SCAS:
  • Small Communities Advisory Committee
• 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:
  • Soil Conservation Service
• SCSA:
  • Soil Conservation Society of America
• SCSP:
  • Storm and Combined Sewer Program
• SCW:
  • Supercritical Water Oxidation
• SD:
  • Sediment
• SD:
  • Site Discovery
• SDC:
  • Systems Decision Plan
• SDC:
  • Save the Dunes Council
• SDWA:
  • Safe Drinking Water Act
• 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:
  • Senior Environmental Employment Program
• SEGIP:
  • State Environmental Goals and Improvement Project
• SEIA:
  • Socioeconomic Impact Analysis
• SEM:
  • Standard Error of the Means
• SEM:
  • Senior Environmental Manager
• SEMA:
  • State Emergency Management Agency
• SEP:
  • Standard Evaluation Procedures
• SEP:
  • Supplementary Environmental Project
• SEPC:
  • State Emergency Planning Commission
• SEPWC:
  • Senate Environment and Public Works Committee
• SES:
  • Secondary Emissions Standard
• SETAC:
  • Society for Environmental Toxicology and Chemistry
• SETS:
  • Site Enforcement Tracking System
• SF:
  • Standard Form
• SF:
  • Superfund
• SFA:
  • Spectral Flame Analyzers
• SFDS:
  • Sanitary Facility Data System
• SFFAS:
  • Superfund Financial Assessment System
• SFIREG:
  • State FIFRA Issues Research and Evaluation Group
• SFS:
  • State Funding Study
• 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:
  • Site Investigation
• SIC:
  • Standard Industrial Classification
• SIC:
  • Standard Industrial Code
• SICEA:
  • Steel Industry Compliance Extension Act
• SIF:
  • Site Investigation Follow-up
• SIMS:
  • Secondary Ion-Mass Spectrometry
• SIP:
  • State Implementation Plan
• SIS:
  • Site Investigation Site
• 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:
  • Secondary Maximum Contaminant Level
• SMCRA:
  • Surface Mining Control and Reclamation Act
• 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:
  • State Personnel Department (Indiana)
• 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:
  • State Revolving Fund
• 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:
  • State and Local Air-Pollution Control Officials
• STAPPA:
  • State and Territorial Air Pollution
• 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:
  • Scientific and Technical Information Network
• STN:
  • Speciation Trends Network
• STN:
  • Scientific and Technical Information Network
• STORET:
  • Storage and Retrieval of Water-Related Data
• STP:
  • Sewage Treatment Plant
• STP:
  • Standard Temperature and Pressure
• StRS:
  • Stratified Random Sampling
• STTP:
  • Small Town Task Force (U.S. EPA)
• SU:
  • Superfund Site (Indiana)
• 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:
  • Surface Water
• SW:
  • Special Waste
• SWANA:
  • Solid Waste Association of North America
• SWAP:
  • Source Water Assessment Program
• SWARF:
  • Waste from Metal Grinding Process
• SWC:
  • Settlement With Conditions
• SWDA:
  • Solid Waste Disposal Act
• SWE:
  • Society of Women Engineers
• SWL:
  • Static Water Level
• SWLDF:
  • Solid Waste Land Disposal Facility
• SWMB:
  • Solid Waste Management Board
• SWMD:
  • Solid Waste Management District
• 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:
  • Southwest Regional Office
• SWTR:
  • Surface Water Treatment Rule
• SyGS/rs:
  • Systematic Grid Sampling with a Random Starting Point
• SYSOP:
  • Systems Operator