40 CFR § 425.76
Pretreatment standards for new sources (PSNS)
June 9, 2020
Except as provided in 40 CFR 403.7, 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 must achieve the pretreatment standards contained in §425.75.