StacksVerified U.S. federal law reference

40 CFR §429.66 — Pretreatment standards for new sources (PSNS).

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Any new source subject to this subpart which introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403.