US lawFederal (United States)RegulationsTitle 40 CFR — Protection of EnvironmentChapter I — ENVIRONMENTAL PROTECTION AGENCYPart 449 — AIRPORT DEICING POINT SOURCE CATEGORYSubpart A — Airport Deicing Category449.140 C.F.R. § 449.1Applicability.Last amended: 2016Year: 2026Length: 13 wordsOfficial source Cite as 40 C.F.R. § 449.1 (2026)This part applies to discharges of pollutants from deicing operations at Primary Airports.Next40 C.F.R. § 449.2