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NESHAP source category list
  • There are numerous NESHAP source categories each with unique subparts under which they are regulated.

The following table lists source categories under the National Emissions Standards for Hazardous Air Pollutants (NESHAPs) and the subpart under which they are regulated.

Acrylic/Modacrylic Fiber (area sources) 40 CFR 63 Subpart LLLLLL (6L)
Aerospace40 CFR 63 Subpart GG
Asbestos40 CFR 61 Subpart M
Asphalt Processing and Asphalt Roofing Manufacturing40 CFR 63 Subpart LLLLL
Asphalt Processing and Asphalt Roofing Manufacturing (area sources)40 CFR 63 Subpart AAAAAAA (7A)
Auto and Light Duty Truck Surface Coating40 CFR 63 Subpart IIII
Auto Body Refinishing (area sources) — see Paint Stripping and Miscellaneous Surface Coating Operations
Benzene Transfer Operations40 CFR 61 Subpart BB
Benzene Waste Operations40 CFR 61 Subpart FF
Beryllium40 CFR 61 Subpart C
Beryllium Rocket Motor Firing40 CFR 61 Subpart D
Boat Manufacturing40 CFR 63 Subpart VVVV
Boilers (see Industrial-Commercial-Institutional Boilers)
Brick and Structural Clay Products Manufacturing (see also Clay Ceramics)40 CFR 63 Subpart JJJJJ
Carbon Black Production (area sources)40 CFR 63 Subpart MMMMMM (6M)
Cellulose Products Manufacturing40 CFR 63 Subpart UUUU
Chemical Manufacturing Industry (area sources): CMAS40 CFR 63 Subpart VVVVVV (6V)
Chemical Preparations Industry (area sources)40 CFR 63 Subpart BBBBBBB (7B)
Chromium Electroplating40 CFR 63 Subpart N
Chromium Compounds (area sources)40 CFR 63 Subpart NNNNNN (6N)
Clay Ceramics Manufacturing (see also Brick and Clay Products)40 CFR 63 Subpart KKKKK
Clay Ceramics Manufacturing (area sources)40 CFR 63 Subpart RRRRRR (6R)
Coke Ovens: Charging, Top Side, and Door Leaks40 CFR 63 Subpart L
Coke Ovens: Pushing, Quenching, and Battery Stacks40 CFR 63 Subpart CCCCC
Coke Oven By-product Recovery Plants40 CFR 61 Subpart L
Combustion Sources at Kraft, Soda, and Sulfite Pulp & Paper Mills (Pulp and Paper maximum achievable control technology (MACT) II) (see also Pulp and Paper noncombust MACT)40 CFR 63 Subpart MM
Commercial Sterilizers (see Ethylene Oxide Emission Standards for Sterilization Facilities)
Degreasing Organic Cleaners (see Halogenated Solvent Cleaners)
Dry Cleaning40 CFR 63 Subpart M
Electric Arc Furnace Steelmaking Facilities (area sources)40 CFR 63 Subpart YYYYY
Engine Test Cells/Stands (see also Beryllium Rocket Motor Firing)40 CFR 63 Subpart PPPPP
Ethylene Oxide Emission Standards for Sterilization Facilities (see also Hospital Ethylene Oxide Sterilizers)40 CFR 63 Subpart O
Fabric Printing, Coating and Dyeing40 CFR 63 Subpart OOOO
Ferroalloys Production (major sources)40 CFR 63 Subpart XXX
Ferroalloys Production (area sources)40 CFR 63 Subpart YYYYYY (6Y)
Flexible Polyurethane Foam Fabrication Operation40 CFR 63 Subpart MMMMM
Flexible Polyurethane Foam Production and Fabrication (area sources)40 CFR 63 Subpart OOOOOO (6-O)
Flexible Polyurethane Foam Production40 CFR 63 Subpart III
Friction Products Manufacturing40 CFR 63 Subpart QQQQQ
Gasoline Dispensing Facilities (area sources)40 CFR 63 Subpart CCCCCC (6C)
Gasoline Distribution (Stage 1)40 CFR 63 Subpart R
Gasoline Distribution Bulk Terminals, Bulk Plants, and Pipeline Facilities (area sources)40 CFR 63 Subpart BBBBBB (6B)
Generic MACT I — Acetal Resins40 CFR 63 Subpart YY
Generic MACT I — Hydrogen Floride40 CFR 63 Subpart YY
Generic MACT I — Polycarbonates Production40 CFR 63 Subpart YY
Generic MACT I — Acrylic/Modacrylic Fibers40 CFR 63 Subpart YY
Generic MACT II — Spandex Production40 CFR 63 Subpart YY
Generic MACT II — Carbon Black Production40 CFR 63 Subpart YY
Generic MACT II — Ethylene Processes40 CFR 63 Subpart YY
Glass Manufacturing (area sources)40 CFR 63 Subpart SSSSSS (6S)
Glass Manufacturing — Inorganic Arsenic40 CFR 61 Subpart N
Gold Mine Ore Processing and Production (area sources)40 CFR 63 Subpart EEEEEEE (7E)
Halogenated Solvent Cleaning40 CFR 63 Subpart T
Hazardous Organic NESHAP (Synthetic Organic Chemical Manufacturing Industry)40 CFR 63 Subpart F, G, H, I
Hazardous Waste Combustors40 CFR 63 Subpart EEE
Hospital Ethylene Oxide Sterilizers (area sources) (see also Ethylene Oxide Sterilizers)40 CFR 63 Subpart WWWWW
Hydrochloric Acid Production40 CFR 63 Subpart NNNNN
Industrial, Commercial and Institutional Boilers and Process Heaters (major sources)40 CFR 63 Subpart DDDDD
Industrial, Commercial and Institutional Boilers (area sources) (see also Boiler Compliance at Area Sources)40 CFR 63 Subpart JJJJJJ (6J)
Industrial Process Cooling Towers40 CFR 63 Subpart Q
Inorganic Arsenic Emissions from Primary Copper Smelters40 CFR 61 Subpart O
Inorganic Arsenic from Arsenic trioxide and Metallic Arsenic Production40 CFR 61 Subpart P
Integrated Iron and Steel40 CFR 63 Subpart FFFFF
Iron and Steel Foundries (major sources)40 CFR 63 Subpart EEEEE
Iron and Steel Foundries (area sources)40 CFR 63 Subpart ZZZZZ
Large Appliances Surface Coating40 CFR 63 Subpart NNNN
Lead Acid Battery Manufacturing (area sources)40 CFR 63 Subpart PPPPPP (6P)
Leather Finishing Operations40 CFR 63 Subpart TTTT
Lime Manufacturing40 CFR 63 Subpart AAAAA
Magnetic Tape Surface Coating40 CFR 63 Subpart EE
Manufacturing Nutritional Yeast (formerly Baker’s Yeast)40 CFR 63 Subpart CCCC
Marine Vessel Loading Operations40 CFR 63 Subpart Y
Mercury Cell Chlor-Alkali Plants40 CFR 63 Subpart IIIII
Mercury Production40 CFR 61 Subpart E
Metal Can Surface Coating40 CFR 63 Subpart KKKK
Metal Coil Surface Coating40 CFR 63 Subpart SSSS
Metal Fabrication and Finishing Source Nine Categories (area sources)40 CFR 63 Subpart XXXXXX (6X)
Metal Furniture Surface Coating40 CFR 63 Subpart RRRR
Mineral Wool Production40 CFR 63 Subpart DDD
Miscellaneous Coating Manufacturing40 CFR 63 Subpart HHHHH
Miscellaneous Metal Parts and Products Surface Coating40 CFR 63 Subpart MMMM
Misc. Organic Chemical Production and Processes (MON)40 CFR 63 Subpart FFFF
Municipal Solid Waste Landfills40 CFR 63 Subpart AAAA
Natural Gas Transmission and Storage40 CFR 63 Subpart HHH
Nonferrous Foundries: Aluminum, Copper, and Other (area sources)40 CFR 63 Subpart ZZZZZZ (6Z)
Off-Site Waste Recovery Operations40 CFR 63 Subpart DD
Oil and Natural Gas Production includes Area Sources40 CFR 63 Subpart HH
Oil-Water Separators and Organic-Water Separators40 CFR 63 Subpart VV
Organic Liquids Distribution (non-gasoline)40 CFR 63 Subpart EEEE
Paints and Allied Products Manufacturing (area sources)40 CFR 63 Subpart CCCCCCC (7C)
Paint Stripping and Miscellaneous Surface Coating Operations (area sources) (see also Collision Repair Campaign)40 CFR 63 Subpart HHHHHH (6H)
Paper and Other Web Surface Coating40 CFR 63 Subpart JJJJ
Pesticide Active Ingredient Production40 CFR 63 Subpart MMM
Petroleum Refineries40 CFR 63 Subpart CC
Petroleum Refineries40 CFR 63 Subpart UUU
Pharmaceuticals Production40 CFR 63 Subpart GGG
Phosphoric Acid40 CFR 63 Subpart AA
Phosphate Fertilizers40 CFR 63 Subpart BB
Plastic Parts Surface Coating40 CFR 63 Subpart PPPP
Plating and Polishing Operations (area sources)40 CFR 63 Subpart WWWWWW (6W)
Plywood and Composite Wood Products (formerly Plywood and Particle Board Manufacturing)40 CFR 63 Subpart DDDD
Polyether Polyols Production40 CFR 63 Subpart PPP
Polymers & Resins I40 CFR 63 Subpart U
Polymers & Resins II40 CFR 63 Subpart W
Polymers & Resins III40 CFR 63 Subpart OOO
Polymers & Resins IV40 CFR 63 Subpart JJJ
Polyvinyl Chloride and Copolymers Production40 CFR 63 Subpart HHHHHHH (7H)
Polyvinyl Chloride and Copolymers Production (area sources)40 CFR 63 Subpart DDDDDD (6D)
Portland Cement Manufacturing40 CFR 63 Subpart LLL
Prepared Feeds Manufacturing (area sources)40 CFR 63 Subpart DDDDDDD (7D)
Primary Aluminum40 CFR 63 Subpart LL
Primary Copper Smelting40 CFR 63 Subpart QQQ
Primary Copper Smelting (area sources)40 CFR 63 Subpart EEEEEE (6E)
Primary Lead Processing40 CFR 63 Subpart TTT
Primary Magnesium Refining40 CFR 63 Subpart TTTTT
Primary Nonferrous Metals-Zinc, Cadmium, and Beryllium (area sources)40 CFR 63 Subpart GGGGGG (6G)
Printing and Publishing Surface Coating40 CFR 63 Subpart KK
Publicly Owned Treatment Works (POTW)40 CFR 63 Subpart VVV
Pulp and Paper (non-combust) MACT (see also Combustion Sources at Kraft, Soda, and Sulfite Pulp & Paper Mills —Pulp and Paper MACT II)40 CFR 63 Subpart S
Reciprocating Internal Combustion Engines (RICE) includes area sources40 CFR 63 Subpart ZZZZ
Refractory Products Manufacturing40 CFR 63 Subpart SSSSS
Reinforced Plastic Composites Production40 CFR 63 Subpart WWWW
Rubber Tire Manufacturing40 CFR 63 Subpart XXXX
Secondary Aluminum40 CFR 63 Subpart RRR
Secondary Copper Smelting (area sources)40 CFR 63 Subpart FFFFFF (6F)
Secondary Lead Smelters40 CFR 63 Subpart X
Secondary Nonferrous Metals Processing (Brass, Bronze, Magnesium and Zinc) (area sources)40 CFR 63 Subpart TTTTTT (6T)
Semiconductor Manufacturing40 CFR 63 Subpart BBBBB
Shipbuilding and Ship Repair Surface Coating40 CFR 63 Subpart II
Site Remediation40 CFR 63 Subpart GGGGG
Solvent Extraction for Vegetable Oil Production40 CFR 63 Subpart GGGG
Stationary Combustion Turbines40 CFR 63 Subpart YYYY
Steel Pickling — Hydrochloric Acid (HCl Process40 CFR 63 Subpart CCC
Taconite Iron Ore Processing40 CFR 63 Subpart RRRRR
Utility NESHAP40 CFR 63 Subpart UUUUU
Vinyl Chloride40 CFR 61 Subpart F
Wet Formed Fiberglass Mat Production40 CFR 63 Subpart HHHH
Wood Building Products Surface Coating (formerly Flat Wood Paneling Products)40 CFR 63 Subpart QQQQ
Wood Furniture Surface Coating40 CFR 63 Subpart JJ
Wood Preserving (area sources)40 CFR 63 Subpart QQQQQQ (6Q)
Wool Fiberglass Manufacturing40 CFR 63 Subpart NNN
Wool Fiberglass Manufacturing (area sources)40 CFR 63 Subpart NN