CFR›Title 40›Chapter I›Part 191›Subpart A ContainsSections 191.01–191.05CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Subpart A—Environmental Standards for Management and Storage Sections 191.01 § 191.01 Applicability. 191.02 § 191.02 Definitions. 191.03 § 191.03 Standards. 191.04 § 191.04 Alternative standards. 191.05 § 191.05 Effective date. Next Appendix A to Part 191 Appendix A to Part 191—Table for Subpart B