Abbreviations and Units

Section 201 Section 201.103  Abbreviations and Units a)         The following abbreviations have been used in this Part: Act Illinois Environmental Protection Act AER Annual Emissions Report Agency Illinois Environmental Protection Agency btu or Btu British thermal units CAA Clean Air Act CAAPP Clean Air Act Permit Program CO Carbon monoxide CO 2 e Carbon dioxide equivalent gal gallons HAPs hazardous air pollutants hp horsepower hr hour gal/mo gallons per month gal/yr gallons per year kPa kilopascals kPa absolute kilopascals absolute kW kilowatts l liters Mg megagrams m 3 cubic meters MM million MW megawatts; one million watts NESHAP National Emission Standards for Hazardous Air Pollutants NMOC nonmethane organic compounds NO x nitrogen oxide NSPS New Source Performance Standards NSR New Source Review PBR permit by rule PM particulate matter PM 10 particulate matter with an aerodynamic diameter less than or equal to 10 micrometers PM 2.5 particulate matter with an aerodynamic diameter less than or equal to 2.5 micrometers PSD Prevention of Significant Deterioration psi pounds per square inch psia pounds per square inch absolute ROSS Registration of Smaller Sources SO 2 sulfur dioxide TPY tons per year USEPA United States Environmental Protection Agency VOM volatile organic material yr year b)         The following conversion factors have been used in this Part: English Metric 1 gal 3.785 1 1,000 gal 3.785 m 3 1 hp 0.7452 kW 1MMBtu/hr 0.293 MW 1 psi 6.897 kPa