CFR›Title 10›Chapter I›Part 63›Subpart L›Subject Group Postclosure Individual Protection Standard ContainsSections 63.311–63.312CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Sections 63.311 § 63.311 Individual protection standard after permanent closure. 63.312 § 63.312 Required characteristics of the reasonably maximally exposed individual. Previous Human Intrusion Standard Human Intrusion Standard