40 CFR 429.156 - Pretreatment standards for new sources (PSNS).

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

View all text of Subpart N [§ 429.150 - § 429.156]

§ 429.156 - Pretreatment standards for new sources (PSNS).

Any new source subject to this subpart which introduces process wastewater pollutants into publicly owned treatment works must comply with 40 CFR part 403.