CFR›Title 40›Chapter I›Part 239›Subpart C ContainsSections 239.6–239.9CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Subpart C—Requirements for Adequate Permit Programs Sections 239.6 § 239.6 Permitting requirements. 239.7 § 239.7 Requirements for compliance monitoring authority. 239.8 § 239.8 Requirements for enforcement authority. 239.9 § 239.9 Intervention in civil enforcement proceedings. Previous B Subpart B—State Program Application Next D Subpart D—Adequacy Determination Procedures