U.S. Code of Federal Regulations
Regulations most recently checked for updates: Apr 02, 2023
Except as provided in 40 CFR 403.7 and § 425.04, any new 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 pretreatment standards contained in § 425.35.