CFR›Title 10›Chapter I›Part 63›Subpart E›Subject Group Preclosure Performance Objectives ContainsSection 63.111CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Sections 63.111 § 63.111 Performance objectives for the geologic repository operations area through permanent closure. Previous Postclosure Performance Objectives Postclosure Performance Objectives Next Preclosure Safety Analysis Preclosure Safety Analysis