| A | General Provision |
| B | Adoption and Submittal of State Plans for Designated Facilities |
| C | Emission Guidelines and Compliance |
| Ca | (Reserved) |
| Cb | Emissions Guidelines and Compliance Times for Large Municipal Waste Combustors That Are Constructed on or Before September 26, 1994 |
| Cc | Emission Guidelines and Compliance Times for Municipal Solid Waste Landfills |
| Cd | Emissions Guidelines and Compliance Times for Sulfuric Acid Production Units |
| Ce | Emission Guidelines and Compliance Times for Hospital/Medical/Infectious Waste Incinerators |
| D | Fossil-Fuel Steam Generator Constructed After August 17, 1971 |
| Da | Electric Utility Steam Generating Units Constructed After September 18, 1978 |
| Db | Industrial-Commercial-Institutional Steam Generating Units |
| Dc | Small Industrial Steam Generating Units |
| E | Incinerators |
| Ea | Municipal Waste Combustors Constructed After December 20, 1989 and On Or Before September 20, 1994 |
| Eb | Municipal Waste Combustors Constructed After September 20, 1994 |
| Ec | Hospital/Medical/infectious Waste Incinerations for Which Construction is Commenced After June 20, 1996 |
| F | Portland Cement Plants |
| G | Nitric Acid Plants |
| H | Sulfuric Acid Plants |
| I | Hot Mix Asphalt Facilities |
| J | Petroleum Refineries |
| Ja | Petroleum Refineries for Which C onstruction, Reconstruction, or Modification Commenced After May 14, 2007 |
| K | Storage Vessels for Petroleum Liquids for Which Construction, Reconstruction, or Modification Commenced After June 11, 1973, and Prior to May 19, 1978 |
| Ka | Storage Vessels for Petroleum Liquids for Which Construction, Reconstruction, or Modification Commenced After May 18, 1978, and Prior to July 23, 1984 |
| Kb | Volatile Organic Liquid Storage Vessels (Including Petroleum Liquid Storage Vessels) for Which Construction, Reconstruction, or Modification Commenced After July 23, 1984 |
| L | Secondary Lead Smelters |
| M | Secondary Brass and Bronze Production Plants |
| N | Primary Emissions from Basic Oxygen Process Furnaces for Which Construction is Commenced After June 11, 1973 |
| Na | Secondary Emissions from Basic Oxygen Process Steelmaking Facilities for Which Construction is Commenced After January 20, 1983 |
| O | Sewage Treatment Plants |
| P | Primary Copper Smelters |
| Q | Primary Zinc Smelters |
| R | Primary Lead Smelters |
| S | Primary Aluminum Reduction Plants |
| T | Phosphate Fertilizer Industry: Wet Process Phosphoric Acid Plants |
| U | Phosphate Fertilizer Industry: Superphosphoric Acid Plants |
| V | Phosphate Fertilizer Industry: Diammonium Phosphate Plants |
| W | Phosphate Fertilizer Industry: Triple Superphosphate Plants |
| X | Phosphate Fertilizer Industry: Triple Superphosphate Storage Facilities |
| Y | Coal Preparation Plants |
| Z | Ferroalloy Production Facilities |
| AA | Steel Plants: Electric Arc Furnaces Constructed After October 21, 1974 and On or Before August 17, 1983 |
| AAa | Steel Plants: Electric Arc Furnaces and Argon-Oxygen Decarburization Vessels Constructed After August 7, 1983 |
| BB | Kraft Pulp Mills |
| CC | Glass Manufacturing Plants |
| DD | Grain Elevators |
| EE | Surface Coating of Metal Furniture |
| FF | (Reserved) |
| GG | Stationary Gas Turbines |
| HH | Lime Manufacturing Plants |
| KK | Lead-Acid Battery Manufacturing Plants |
| LL | Metallic Mineral Processing Plants |
| MM | Automobile and Light Duty Trucks Surface Coating Operations |
| NN | Phosphate Rock Plants |
| PP | Ammonium Sulfate Manufacture |
| QQ | Graphic Arts Industry: Publication Rotogravure Printing |
| RR | Pressure Sensitive Tape and Label Surface Coating Operations |
| SS | Industrial Surface Coating: Large Appliances |
| TT | Metal Coil Surface Coating |
| UU | Asphalt Processing and Asphalt Roofing Manufacture |
| VV | Equipment Leaks of VOC in the Synthetic Organic Chemicals Manufacturing Industry |
| VVa | Equipment Leaks of VOC in the Synthetic Organic Chemicals Manufacturing Industry for Which Construction, Reconstruction, or Modification Commenced After November 7, 2006 |
| WW | Beverage Can Surface Coating Industry |
| XX | Bulk Gasoline Terminals |
| AAA | New Residential Wood Heaters |
| BBB | Rubber Tire Manufacturing Industry |
| CCC | (Reserved) |
| DDD | Volatile Organic Compound (VOC) Emissions from the Polymer Manufacturing Industry |
| EEE | (Reserved) |
| FFF | Flexible Vinyl and Urethane Coating and Printing |
| GGG | Equipment Leaks of VOC in Petroleum Refineries |
| GGGa | Equipment Leaks of VOC in Petroleum Refineries for Which Construction, Reconstruction, or Modification Commenced After November 7, 2006 |
| HHH | Synthetic Fiber Production Facilities |
| III | Volatile Organic Compound (VOC) Emissions From the Synthetic Organic Chemical Manufacturing Industry (SOCMI) Air Oxidation Unit Processes |
| JJJ | Petroleum Dry Cleaners |
| KKK | Equipment Leaks of VOC From Onshore Natural Gas Processing Plants |
| LLL | Onshore Natural Gas Processing: SO2 Emissions |
| LLLL | New Sewage Sludge Incineration units |
| MMM | (Reserved) |
| NNN | Volatile Organic Compound (VOC) Emissions From Synthetic Organic Chemical Manufacturing Industry (SOCMI) Distillation |
| OOO | Nonmetallic Mineral Processing Plants |
| PPP | Wool Fiberglass Insulation Manufacturing Plants |
| QQQ | VOC Emissions From Petroleum Refinery Wastewater Systems |
| RRR | Volatile Organic Compound Emissions from Synthetic Organic Chemical Manufacturing Industry (SOCMI) Reactor Processes |
| SSS | Magnetic Tape Coating Facilities |
| TTT | Industrial Surface Coating: Surface Coating of Plastic Parts for Business Machines |
| UUU | Calciners and Dryers in Mineral Industries |
| VVV | Polymeric Coating of Supporting Substrates Facilities |
| WWW | Municipal Solid Waste Landfills |
| AAAA | Small Municipal Waste Combustion Units for Which Construction is Commenced After August 30, 1999 or for Which Modification or Reconstruction is Commenced After June 6, 2001 |
| BBBB | Emission Guidelines and Compliance Times for Small Municipal Waste Combustion Units Constructed on or Before August 30, 1999 |
| CCCC | Commercial and Industrial Solid Waste Incineration Units for Which Construction is Commenced After November 30, 1999 or for Which Modification or Reconstruction Is Commenced on or After June 1, 2001 |
| DDDD | Emission Guidelines and Compliance Times for Commercial and Industrial Solid Waste Incineration Units that Commenced Construction On or Before November 30, 1999 |
| EEEE | Other Solid Waste Incineration Units for Which Construction is Commenced After December 9, 2004, or for Which Modification or Reconstruction is Commenced on or After June 16, 2006 |
| FFFF | Emission Guidelines and Compliance Times for Other Solid Waste Incineration Units that Commenced Construction on or Before December 9, 2004 |
| GGGG | (Reserved) |
| HHHH | Emission Guidelines and Compliance Times for Coal-Fired Electric Steam Generating Units |
| IIII | Stationary Compression Ignition Internal Combustion Engines |
| JJJJ | Stationary Spark Ignition Internal Combustion Engines |
| KKKK | Stationary Combustion Turbines |
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