US lawFederal (United States)RegulationsTitle 40 CFR — Protection of EnvironmentChapter VI — CHEMICAL SAFETY AND HAZARD INVESTIGATION BOARDPart 1620 — ADMINISTRATIVE CLAIMS ARISING UNDER THE FEDERAL TORT CLAIMS ACT1620.440 C.F.R. § 1620.4Investigations.Last amended: 2016Year: 2026Length: 18 wordsOfficial source Cite as 40 C.F.R. § 1620.4 (2026)CSB may investigate, or may request any other Federal agency to investigate, a claim filed under this part.Previous40 C.F.R. § 1620.3Next40 C.F.R. § 1620.5