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 NN — Pennsylvania62.963740 C.F.R. § 62.9637Effective date.Last amended: 2016Year: 2026Length: 21 wordsOfficial source Cite as 40 C.F.R. § 62.9637 (2026)The effective date of the plan for municipal solid waste landfills is January 28, 2004. [68 FR 74870, Dec. 29, 2003]Previous40 C.F.R. § 62.9636Next40 C.F.R. § 62.9640