US lawFederal (United States)RegulationsTitle 40 CFR — Protection of EnvironmentChapter I — ENVIRONMENTAL PROTECTION AGENCYPart 62 — APPROVAL AND PROMULGATION OF STATE PLANS FOR DESIGNATED FACILITIES AND POLLUTANTSSubpart BB — Montana62.660240 C.F.R. § 62.6602Effective date.Last amended: 2016Year: 2026Length: 21 wordsOfficial source Cite as 40 C.F.R. § 62.6602 (2026)The effective date of the plan for municipal solid waste landfills is September 8, 1998. [63 FR 36861, July 8, 1998]Previous40 C.F.R. § 62.6601Next40 C.F.R. § 62.6610