Terms and Abbreviations


BACT:

best available control technology (This is the level of control required to obtain a PSD permit.)

Btu:

British thermal unit


CAA:

Clean Air Act, codified at 42 U.S.C. § 7401 et. seq.

CAFE:

corporate average fuel economy

CASAC:

Clean Air Scientific Advisory Committee

CEM:

continuous emission monitoring

CGE:

computable general equilibrium

Criteria pollutant:

The Clean Air Act requires EPA to set National Ambient Air Quality Standards (NAAQS) for certain pollutants known to be hazardous to human health and the public welfare (for example, damage to forests and degradation of atmospheric visibility). In addition, these pollutants should be ones whose presence in ambient air results from numerous or diverse mobile or stationary sources. EPA has identified and set standards to protect human health and welfare for six pollutants: ozone, carbon monoxide, particulate matter (PM10 and PM2.5), sulfur dioxide, lead, and nitrogen oxide. The term criteria pollutants derives from the requirement that EPA must describe the characteristics and potential health and welfare effects of these pollutants. It is on the basis of such criteria that NAAQS are set or revised.


EIA:

U.S. Energy Information Administration



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OCR for page 194
Interim Report of the Committee on Changes in New Source Review Programs for Stationary Sources of Air Pollutants Terms and Abbreviations BACT: best available control technology (This is the level of control required to obtain a PSD permit.) Btu: British thermal unit CAA: Clean Air Act, codified at 42 U.S.C. § 7401 et. seq. CAFE: corporate average fuel economy CASAC: Clean Air Scientific Advisory Committee CEM: continuous emission monitoring CGE: computable general equilibrium Criteria pollutant: The Clean Air Act requires EPA to set National Ambient Air Quality Standards (NAAQS) for certain pollutants known to be hazardous to human health and the public welfare (for example, damage to forests and degradation of atmospheric visibility). In addition, these pollutants should be ones whose presence in ambient air results from numerous or diverse mobile or stationary sources. EPA has identified and set standards to protect human health and welfare for six pollutants: ozone, carbon monoxide, particulate matter (PM10 and PM2.5), sulfur dioxide, lead, and nitrogen oxide. The term criteria pollutants derives from the requirement that EPA must describe the characteristics and potential health and welfare effects of these pollutants. It is on the basis of such criteria that NAAQS are set or revised. EIA: U.S. Energy Information Administration

OCR for page 194
Interim Report of the Committee on Changes in New Source Review Programs for Stationary Sources of Air Pollutants EPA: U.S. Environmental Protection Agency, the agency that implements the Clean Air Act. ERP: equipment replacement provision ESP: electrostatic precipitator FCCU: fluid catalytic cracking unit FGD: flue gas desulfurization HAP: hazardous air pollutant HRSG: heat recovery steam generator HNO3: nitric acid H2S: hydrogen sulfide IECM: Integrated Environmental Control Model IGCC: integrated gasification combined cycle IPM: Integrated Planning Model LAER: lowest achievable emission rate (This is the level of control required to obtain a Part D NSR permit.) LCA: life-cycle assessment LNB: low-NOx burners MACT: maximum available control technology NAAQS: National Ambient Air Quality Standards (Many of the mechanisms of the Clean Air Act are aimed at attaining and maintaining compliance with these standards.) NaOH: sodium hydroxide Na2S: sodium sulfide NEI: National Emissions Inventory NEMS: National Energy Modeling System NERC: National Electric Reliability Council N2O: nitrous oxide N2O4: dinitrogen tetroxide N2O5: dinitrogen pentoxide NO: nitric oxide NO2: nitrogen dioxide NO3: nitrogen trioxide NOx: nitrogen oxides NOy: sum of NOx and other oxidized compounds NPRA: National Petrochemical and Refiners Association NRC: National Research Council NSPS: new source performance standard

OCR for page 194
Interim Report of the Committee on Changes in New Source Review Programs for Stationary Sources of Air Pollutants NSR: New Source Review (The collective name for the Part D NSR and PSD programs.) ODS: ozone-depleting substance OTC: Ozone Transport Commission PAL: plant-wide applicability limitation (A PAL limits emissions from a source or facility as a whole.) Part D NSR: This is the NSR program that applies to sources seeking permits in areas whose air quality violate the NAAQS. PCP: pollution control project PM: particulate matter PM2.5: particles less than 2.5 µm in aerodynamic diameter, called fine particles PM10: particles less than 10 µm in aerodynamic diameter ppm: parts per million PSD: prevention of significant deterioration (This is the NSR program that applies to sources seeking permits in areas whose air quality complies with the NAAQS.) R&D: research and development REMSAD: Regulatory Modeling System for Aerosols and Acid Deposition SCR: selective catalytic reduction SIC: Standard Industrial Classification SIP: state implementation plan (Every state must prepare a plan to show how it will attain and maintain the NAAQS.) SNCR: selective noncatalytic reduction SO2: sulfur dioxide TVA: Tennessee Valley Authority UAM: Urban Airshed Model VOC: volatile organic compound