Chapter I - ENVIRONMENTAL PROTECTION AGENCY
- Subchapter A - GENERAL (§§ 1.1 — 29.13)
- Subchapter B - GRANTS AND OTHER FEDERAL ASSISTANCE (§§ 33.101 — 49.9931-49.9950)
- Subchapter C - AIR PROGRAMS (§§ 50 — 98.398)
- Subchapter D - WATER PROGRAMS (§§ 104.1 — 149.111)
- Subchapter E - PESTICIDE PROGRAMS (§§ 150.17 — 180.2020)
- Subchapter F - RADIATION PROTECTION PROGRAMS (§§ 190.01 — 197)
- Subchapter G - NOISE ABATEMENT PROGRAMS (§§ 201 — 211)
- Subchapter H - OCEAN DUMPING (§§ 220.1 — 238.30)
- Subchapter I - SOLID WASTES (§§ 239.1 — 282)
- Subchapter J - SUPERFUND, EMERGENCY PLANNING, AND COMMUNITY RIGHT-TO-KNOW PROGRAMS (§§ 300.1 — 374.6)
- Subchapter N - EFFLUENT GUIDELINES AND STANDARDS (§§ 401.10 — 471.03)
- Subchapter O - SEWAGE SLUDGE (§§ 501.1 — 503)
- Subchapter Q - ENERGY POLICY (§§ 600.001 — 610.65)
- Subchapter R - TOXIC SUBSTANCES CONTROL ACT (§§ 700.17 — 799.9780)
- Subchapter U - AIR POLLUTION CONTROLS (§§ 1027.101 — 1090.1850)