CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER A—GENERAL (Parts 1–29)
- SUBCHAPTER B—GRANTS AND OTHER FEDERAL ASSISTANCE (Parts 30–49)
- SUBCHAPTER C—AIR PROGRAMS (Parts 50–99)
- SUBCHAPTER D—WATER PROGRAMS (Parts 100–149)
- SUBCHAPTER E—PESTICIDE PROGRAMS (Parts 150–181)
- SUBCHAPTER F—RADIATION PROTECTION PROGRAMS (Parts 190–197)
- SUBCHAPTER G—NOISE ABATEMENT PROGRAMS (Parts 201–211)
- SUBCHAPTER H—OCEAN DUMPING (Parts 220–238)
- SUBCHAPTER I—SOLID WASTES (Parts 239–282)
- SUBCHAPTER J—SUPERFUND, EMERGENCY PLANNING, AND COMMUNITY RIGHT-TO-KNOW PROGRAMS (Parts 300–375)
- SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS (Parts 400–471)
- SUBCHAPTER O—SEWAGE SLUDGE (Parts 501–503)
- SUBCHAPTER Q—ENERGY POLICY (Parts 600–611)
- SUBCHAPTER R—TOXIC SUBSTANCES CONTROL ACT (Parts 700–799)
- SUBCHAPTER U—AIR POLLUTION CONTROLS (Parts 1027–1074)