US lawFederal (United States)RegulationsTitle 40 CFR — Protection of EnvironmentChapter I — ENVIRONMENTAL PROTECTION AGENCYPart 147 — STATE, TRIBAL, AND EPA-ADMINISTERED UNDERGROUND INJECTION CONTROL PROGRAMSSubpart HHH — Lands of the Navajo, Ute Mountain Ute, and All Other New Mexico Tribes147.300140 C.F.R. § 147.3001Definition.Last amended: 2016Year: 2026Length: 35 wordsOfficial source Cite as 40 C.F.R. § 147.3001 (2026)Area of review. For the purposes of this subpart, area of review means the area surrounding an injection well or project area described according to the criteria set forth in § 147.3009 of this subpart.Cross-references to the CFR147.3009Previous40 C.F.R. § 147.3000Next40 C.F.R. § 147.3002