Code of Federal Regulations > Title 40 > Chapter I > Part 129 > Subpart A - Subpart A—Toxic Pollutant Effluent Standards and Prohibitions

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Dec 14, 2025

§ 129.1 - Scope and purpose.

§ 129.2 - Definitions.

§ 129.3 - Abbreviations.

§ 129.4 - Toxic pollutants.

§ 129.5 - Compliance.

§ 129.6 - Adjustment of effluent standard for presence of toxic pollutant in the intake water.

§ 129.7 - Requirement and procedure for establishing a more stringent effluent limitation.

§ 129.8 - Compliance date.

§§ 129.9-129.99 - §[Reserved]

§ 129.100 - Aldrin/dieldrin.

§ 129.101 - DDT, DDD and DDE.

§ 129.102 - Endrin.

§ 129.103 - Toxaphene.

§ 129.104 - Benzidine.

§ 129.105 - Polychlorinated biphenyls (PCBs).