StacksVerified U.S. regulatory reference

40 CFR §425.85

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Except as provided in § 425.04 and 40 CFR 403.7 and § 403.13, any existing source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403, and achieve the following pretreatment standards: