CFR›Title 10›Chapter I›Part 63›Subpart E›Subject Group Postclosure Performance Assessment ContainsSections 63.114–63.115CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Sections 63.114 § 63.114 Requirements for performance assessment. 63.115 § 63.115 Requirements for multiple barriers. Previous Land Ownership and Control Land Ownership and Control Next Postclosure Performance Objectives Postclosure Performance Objectives