CFR > Title 40 > Chapter I > Subchapter D > Part 148 > Subpart C CFR > Title 40 > Chapter I > Subchapter D > Part 148 > Subpart C – Petition Standards and Procedures Current as of: 2024 | Check for updates | Other versions § 148.20 Petitions to allow injection of a waste prohibited under subpart B § 148.21 Information to be submitted in support of petitions § 148.22 Requirements for petition submission, review and approval or denial § 148.23 Review of exemptions granted pursuant to a petition § 148.24 Termination of approved petition