Chapter I — Environmental Protection Agency
- Subch. A General §§1.1 to 29.13
- Subch. B Grants and Other Federal Assistance §§33.101 to 49.11111-49.17810
- Subch. C Air Programs §§50.1 to 98.528
- Subch. D Water Programs §§104.1 to 149.111
- Subch. E Pesticide Programs §§150.17 to 180.2020
- Subch. F Radiation Protection Programs §§190.01 to 197.38
- Subch. G Noise Abatement Programs §§201.1 to 211.214
- Subch. H Ocean Dumping §§220.1 to 238.30
- Subch. I Solid Wastes §§239.1 to 282.103-282.105
- Subch. J Superfund, Emergency Planning, and Community Right-To-Know Programs §§300.1 to 374.6
- Subch. N Effluent Guidelines and Standards §§401.10 to 471.106
- Subch. O Sewage Sludge §§501.1 to 503.48
- Subch. P Subchapter P [reserved]
- Subch. Q Energy Policy §§600.001 to 610.65
- Subch. R Toxic Substances Control Act §§700.17 to 799.9780
- Subch. S-T Subchapters S-T [reserved]
- Subch. U Air Pollution Controls §§1027.101 to 1090.1850