US lawFederal (United States)RegulationsTitle 40 CFR — Protection of EnvironmentChapter I — ENVIRONMENTAL PROTECTION AGENCYPart 464 — METAL MOLDING AND CASTING POINT SOURCE CATEGORY464.0440 C.F.R. § 464.04Compliance date for PSES.Last amended: 2016Year: 2026Length: 9 wordsOfficial source Cite as 40 C.F.R. § 464.04 (2026)The compliance date of PSES is October 31, 1988.Previous40 C.F.R. § 464.03