Home › CFR › Title 40 › Part 23940 CFR Part 239 — Requirements for State Permit Program Determination of AdequacySubpart A — General§ 239.1— Purpose.§ 239.2— Scope and definitions.Subpart B — State Program Application§ 239.3— Components of program application.§ 239.4— Narrative description of state permit program.§ 239.5— State legal certification.Subpart C — Requirements for Adequate Permit Programs§ 239.6— Permitting requirements.§ 239.7— Requirements for compliance monitoring authority.§ 239.8— Requirements for enforcement authority.§ 239.9— Intervention in civil enforcement proceedings.Subpart D — Adequacy Determination Procedures§ 239.10— Criteria and procedures for making adequacy determinations.§ 239.11— Approval procedures for partial approval.§ 239.12— Modifications of state programs.§ 239.13— Criteria and procedures for withdrawal of determination of adequacy.