CFR›Title 40›Chapter I›Part 239›Subpart A ContainsSections 239.1–239.2CorpusDaily eCFRDisplayed edition2026-05-18Last updated2026-05-18 Subpart A—General Sections 239.1 § 239.1 Purpose. 239.2 § 239.2 Scope and definitions. Next B Subpart B—State Program Application