US lawFederal (United States)RegulationsTitle 40 CFR — Protection of EnvironmentChapter I — ENVIRONMENTAL PROTECTION AGENCYPart 60 — STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCESSubpart O — Standards of Performance for Sewage Treatment Plants60.15140 C.F.R. § 60.151Definitions.Last amended: 2016Year: 2026Length: 32 wordsOfficial source Cite as 40 C.F.R. § 60.151 (2026)As used in this subpart, all terms not defined herein shall have the meaning given them in the Act and in subpart A of this part. [39 FR 9319, Mar. 8, 1974]Previous40 C.F.R. § 60.150Next40 C.F.R. § 60.152