Air Acronyms and Definitions


  • ACBM: Asbestos-Containing Building Material
  • AEF: Arkansas Environmental Federation
  • AHTD: Arkansas Highway and Transportation Department
  • AIRS: Aerometric Information Retrieval System
  • ALAPCO: Association of Local Air Pollution Control Officials
  • ALC: Arkansas Legislative Committee
  • AQI: Air Quality Index
  • ARP: Acid Rain Program
  • ARRA : American Recovery and Reinvestment Act


  • BACT: Best Available Control Technology
  • BART: Best Available Retrofit Technology
  • BDAT: Best Demonstrated Available Technology
  • BSC: Blue Skyways Collaborative


  • CAA: Clean Air Act
  • CACATF: Central Arkansas Air Task Force
  • CAIR: Clean Air Interstate Rule
  • CAM: Compliance Assurance Monitoring
  • CAMR: Clean Air Mercury Rule
  • CAPI: Clean Air Power Initiative
  • CARB: California Air Resources Board
  • CAVR: Clean Air Visibility Rule
  • CAO: Consent Administrative Order
  • CERR: Consolidated Emissions Reporting Rule
  • CEMS: Continuous Emissions Monitoring System
  • CENRAP: Central States Regional Air Planning Association
  • CenSARA: Central States Air Resources Agencies Association
  • CERCLA: Comprehensive Environmental Response, Compensation, and Liability Act
  • CFR: United States Code of Federal Regulations
  • CHP: Combined Heat and Power
  • CMAQ: Community Modeling of Air Quality, Congestion Mitigation and Air Quality, or Community Multiscale Air Quality
  • CMS: Compliance Monitoring Strategy
  • CO: Carbon Monoxide
  • CSAPR: Cross-State Air Pollution Rule
  • CTG: Control Technology Guidelines


  • DEQ: Division of Environmental Quality
  • DERA: Diesel Emissions Reduction Grant


  • EAF: Electric Arc Furnace
  • EDZ: Economic Development Zone
  • EE / RE: Energy Efficiency / Renewable Energy
  • EGR: Exhaust Gas Recirculation
  • EGU: Electric Generating Unit
  • EIA: Energy Information Administration
  • EPA: United States Environmental Protection Agency
  • ERC: Emergency Response Coordinator
  • ESP: Electrostatic Precipitators


  • FHWA: Federal Highway Administration
  • FLM: Federal Land Manager
  • FCE: Full Compliance Evaluation
  • FGD: Flue Gas Desulphurization
  • FTA: Federal Transit Administration


  • GHG: Greenhouse Gases
  • GIS: Geographic Information System
  • GW: Gigawatts


  • HAPs: Hazardous Air Pollutants
  • HPV: High Pollutant Violators


  • IBR: Incorporate by Reference
  • IGCC: Integrated Gasification Combined Cycle
  • IMPROVE: Interagency Monitoring of Protected Visual Environments
  • IPM: Integrated Planning Model


  • LAER: Lowest Achievable Emission Rate
  • LEC: Low Emission Combustion
  • LNB: Low NOX Burner
  • LRP: Long Range Plan


  • MACT: Maximum Achievable Control Technology
  • MAP: Model Accreditation Plan (asbestos model accreditation plan)
  • MOA: Memorandum of Agreement
  • MONA: Memphis Ozone Nonattainment Area
  • MOE: Maintenance of Effort
  • MOU: Memorandum of Understanding
  • MPO: Metropolitan Planning Organization
  • MSA: Metropolitan Statistical Area
  • MVEB: Motor Vehicle Emissions Budget


  • NAAQS: National Ambient Air Quality Standards
  • NACAA: National Association of Clean Air Agencies
  • NAMS: National Air Monitoring Stations
  • NATTS: National Air Toxic Trends Site
  • NCD: National County Database
  • NEEDS: National Electric Energy Data System
  • NEI: National Emissions Inventory
  • NEPA: National Environmental Policy Act
  • NEPS: National Environmental Partnership Program
  • NESHAP: National Emissions Standards for Hazardous Air Pollutants
  • NET: National Emission Trends
  • NMIM: National Mobile Inventory Model
  • NOD: Notice of Deficiency
  • NODA: Notice of Data Availability
  • NOIC: Notice of Intent to Comply
  • NOV: Notice of Violation
  • NOx: Oxides of Nitrogen
  • NPR: Notice of Proposed Rulemaking
  • NSPS: New Source Performance Standards
  • NSR: New Source Review
  • NSRPD: New Source Review Permits Division
  • NSRPS: New Source Review Permits Standards


  • O3: Ozone
  • OAD: Ozone Action Day
  • OAQPS: Office of Air Quality Planning and Standards
  • OEM: Original Equipment Manufacturer (Diesel Retrofit)
  • OFA: Overfire Air
  • OMB: Office of Management and Budget
  • OTAG: Ozone Transport Assessment Group
  • OTC: Ozone Transport Commission (VA to ME)
  • OTR: Ozone Transport Region


  • PAER: Presumptively Acceptable Emission Rate
  • PAIL: Presumptively Acceptable Impact Level
  • PAL: Plantwide Applicability Limit
  • Pb: Lead
  • PCE: Partial Compliance Evaluation
  • PH & W: Public Health and Welfare Committee
  • PM2.5: Particulate Matter less than 2.5 Microns
  • PM10: Particulate Matter less than 10 Microns
  • PSD: Prevention of Significant Deterioration


  • RACM: Reasonably Available Control Measures or Regulated Asbestos-Containing Material
  • RACT: Reasonably Available Control Technology
  • RCRA: Resource Conservation and Recovery Act
  • RFP: Reasonable Further Progress or Request for Proposal
  • RH: Regional Haze
  • R & R: Rules and Regulations Committee
  • RST: Regulated Storage Tank
  • RTC: Response to Comments


  • SAFETEA-LU: Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users
  • SCR: Selective Catalytic Reduction
  • SCC: Source Category Code
  • SEEN: Southern Environmental Enforcement Network
  • SEP: Supplemental Environmental Project
  • SIC: Standard Industrial Classification
  • SIP: State Implementation Plan
  • SLAMS: State and Local Air Monitoring Stations
  • SLEIS: State & Local Emissions Inventory System
  • SNPR: Supplemental Notice of Proposed Rulemaking
  • SO2: Sulfur Dioxide
  • STIP: State Transportation Improvement Plan
  • STP: Surface Transportation Program


  • TCM: Transportation Control Measure
  • TIP: Transportation Improvement Program or Tribal Implementation Plan
  • TLV: Threshold Limit Values
  • TSD: Technical Support Document


  • USDOT: United States Department of Transportation


  • VMT: Vehicle Miles Traveled
  • VOC: Volatile Organic Compounds
  • VMEPs: Voluntary Mobile Source Emission Reduction Programs


  • WMATS: West Memphis-Marion Area Transportation Study