
Prepared and regularly updated by specific Federal agencies, then published by the Office of Federal Register (OFR) 40 CFR, Parts. 63 (63.8980-END), includes rules, regulations, procedures, and administrative procedures associated with Title 40 Protection of Environment.
Subpart NNNNN National Emission Standards for Hazardous Air Pollutants: Hydrochloric Acid Production 63.8980 – 63.9075
Subpart OOOOO [Reserved]
Subpart PPPPP National Emission Standards for Hazardous Air Pollutants for Engine Test Cells/Stands 63.9280 – 63.9375
Subpart QQQQQ National Emission Standards for Hazardous Air Pollutants for Friction Materials Manufacturing Facilities 63.9480 – 63.9579
Subpart RRRRR National Emission Standards for Hazardous Air Pollutants: Taconite Iron Ore Processing 63.9580 – 63.9652
Subpart SSSSS National Emission Standards for Hazardous Air Pollutants for Refractory Products Manufacturing 63.9780 – 63.9824
Subpart TTTTT National Emissions Standards for Hazardous Air Pollutants for Primary Magnesium Refining 63.9880 – 63.9942
Subpart UUUUU National Emission Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units 63.9980 – 63.10042
Subpart VVVVV [Reserved]
Subpart WWWWW National Emission Standards for Hospital Ethylene Oxide Sterilizers 63.10382 – 63.10448
Subpart XXXXX [Reserved]
Subpart YYYYY National Emission Standards for Hazardous Air Pollutants for Area Sources: Electric Arc Furnace Steelmaking Facilities 63.10680 – 63.10692
Subpart ZZZZZ National Emission Standards for Hazardous Air Pollutants for Iron and Steel Foundries Area Sources 63.10880 – 63.10906
Subpart AAAAAA [Reserved]
Subpart BBBBBB National Emission Standards for Hazardous Air Pollutants for Source Category: Gasoline Distribution Bulk Terminals, Bulk Plants, and Pipeline Facilities 63.11080 – 63.11100
Subpart CCCCCC National Emission Standards for Hazardous Air Pollutants for Source Category: Gasoline Dispensing Facilities 63.11110 – 63.11132
Subpart DDDDDD National Emission Standards for Hazardous Air Pollutants for Polyvinyl Chloride and Copolymers Production Area Sources 63.11140 – 63.11145
Subpart EEEEEE National Emission Standards for Hazardous Air Pollutants for Primary Copper Smelting Area Sources 63.11146 – 63.11152
Subpart FFFFFF National Emission Standards for Hazardous Air Pollutants for Secondary Copper Smelting Area Sources 63.11153 – 63.11159
Subpart GGGGGG National Emission Standards for Hazardous Air Pollutants for Primary Nonferrous Metals Area Sources—Zinc, Cadmium, and Beryllium 63.11160 – 63.11168
Subpart HHHHHH National Emission Standards for Hazardous Air Pollutants: Paint Stripping and Miscellaneous Surface Coating Operations at Area Source s63.11169 – 63.11180
Subpart IIIIII [Reserved]
Subpart JJJJJJ National Emission Standards for Hazardous Air Pollutants for Industrial, Commercial, and Institutional Boilers Area Sources 63.11193 – 63.11237
Subpart KKKKKK [Reserved]
Subpart LLLLLL National Emission Standards for Hazardous Air Pollutants for Acrylic and Modacrylic Fibers Production Area Sources 63.11393 – 63.11399
Subpart MMMMMM National Emission Standards for Hazardous Air Pollutants for Carbon Black Production Area Sources 63.11400 – 63.11406
Subpart NNNNNN National Emission Standards for Hazardous Air Pollutants for Chemical Manufacturing Area Sources: Chromium Compounds 63.11407 – 63.11413
Subpart OOOOOO National Emission Standards for Hazardous Air Pollutants for Flexible Polyurethane Foam Production and Fabrication Area Sources 63.11414 – 63.11420
Subpart PPPPPP National Emission Standards for Hazardous Air Pollutants for Lead Acid Battery Manufacturing Area Sources 63.11421 – 63.11427
Subpart QQQQQQ National Emission Standards for Hazardous Air Pollutants for Wood Preserving Area Sources 63.11428 – 63.11434
Subpart RRRRRR National Emission Standards for Hazardous Air Pollutants for Clay Ceramics Manufacturing Area Sources 63.11435 – 63.11447
Subpart SSSSSS National Emission Standards for Hazardous Air Pollutants for Glass Manufacturing Area Sources 63.11448 – 63.11461
Subpart TTTTTT National Emission Standards for Hazardous Air Pollutants for Secondary Nonferrous Metals Processing Area Sources 63.11462 – 63.11474
Subpart UUUUUU [Reserved]
Subpart VVVVVV National Emission Standards for Hazardous Air Pollutants for Chemical Manufacturing Area Sources 63.11494 – 63.11503
Subpart WWWWWW National Emission Standards for Hazardous Air Pollutants: Area Source Standards for Plating and Polishing Operations 63.11504 – 63.11513
Subpart XXXXXX National Emission Standards for Hazardous Air Pollutants Area Source Standards for Nine Metal Fabrication and Finishing Source Categories 63.11514 – 63.11523
Subpart YYYYYY National Emission Standards for Hazardous Air Pollutants for Area Sources: Ferroalloys Production Facilities 63.11524 – 63.11543
Subpart ZZZZZZ National Emission Standards for Hazardous Air Pollutants: Area Source Standards for Aluminum, Copper, and Other Nonferrous Foundries 63.11544 – 63.11558
Subpart AAAAAAA National Emission Standards for Hazardous Air Pollutants for Area Sources: Asphalt Processing and Asphalt Roofing Manufacturing 63.11559 – 63.11567
Subpart BBBBBBBNational Emission Standards for Hazardous Air Pollutants for Area Sources: Chemical Preparations Industry 63.11579 – 63.11588
Subpart CCCCCCC National Emission Standards for Hazardous Air Pollutants for Area Sources: Paints and Allied Products Manufacturing 63.11599 – 63.11618
Subpart DDDDDDD National Emission Standards for Hazardous Air Pollutants for Area Sources: Prepared Feeds Manufacturing 63.11619 – 63.11638
Subpart EEEEEEE National Emission Standards for Hazardous Air Pollutants: Gold Mine Ore Processing and Production Area Source Category 63.11640 – 63.11653
Subparts FFFFFFF and GGGGGGG [Reserved]
Subpart HHHHHHH National Emission Standards for Hazardous Air Pollutant Emissions for Polyvinyl Chloride and Copolymers Production 63.11860 – 63.12099
Appendix A to Part 63
Test Methods
Appendix B to Part 63
Sources Defined for Early Reduction Provisions
Appendix C to Part 63
Determination of the Fraction Biodegraded (Fbio) in a Biological Treatment Unit
Appendix D to Part 63
Alternative Validation Procedure for EPA Waste and Wastewater Methods
Appendix E to Part 63
Monitoring Procedure for Nonthoroughly Mixed Open Biological Treatment Systems at Kraft Pulp Mills Under Unsafe Sampling Conditions
Lawyers, law librarians and law students should be familiar with the Code of Federal Regulations.