CFR›Title 10›Chapter I›Part 63›Subpart E›Subject Group Postclosure Performance Objectives ContainsSection 63.113CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Sections 63.113 § 63.113 Performance objectives for the geologic repository after permanent closure. Previous Postclosure Performance Assessment Postclosure Performance Assessment Next Preclosure Performance Objectives Preclosure Performance Objectives