US lawFederal (United States)RegulationsTitle 40 CFR — Protection of EnvironmentChapter I — ENVIRONMENTAL PROTECTION AGENCYPart 439 — PHARMACEUTICAL MANUFACTURING POINT SOURCE CATEGORY439.340 C.F.R. § 439.3General pretreatment standards.Last amended: 2016Year: 2026Length: 31 wordsOfficial source Cite as 40 C.F.R. § 439.3 (2026)Any source subject to this part that introduces process wastewater pollutants into a publicly owned treatment works (POTW) must comply with 40 CFR part 403. [63 FR 50425, Sept. 21, 1998]Previous40 C.F.R. § 439.2Next40 C.F.R. § 439.4