40 CFR 1506.6 : Protection Of Environment (§ 1.1 To Parts 1851-1899) — (§ 1060.1 To Parts 1851-1899) — Council On Environmental Quality (§ 1500.1 To Parts 1519-1599) — Other Requirements Of Nepa (§ 1506.1 To § 1506.12) — Public involvement.