US lawFederal (United States)RegulationsTitle 40 CFR — Protection of EnvironmentChapter I — ENVIRONMENTAL PROTECTION AGENCYPart 461 — BATTERY MANUFACTURING POINT SOURCE CATEGORY461.440 C.F.R. § 461.4Compliance date for PSES.Last amended: 2016Year: 2026Length: 13 wordsOfficial source Cite as 40 C.F.R. § 461.4 (2026)The compliance date for pretreatment standards for existing sources is March 9, 1987.Previous40 C.F.R. § 461.3