CFR > Title 40 > Chapter I > Subchapter F > Part 191 > Subpart A CFR > Title 40 > Chapter I > Subchapter F > Part 191 > Subpart A – Environmental Standards for Management and Storage Current as of: 2024 | Check for updates | Other versions § 191.01 Applicability § 191.02 Definitions § 191.03 Standards § 191.04 Alternative standards § 191.05 Effective date