Postclosure Controlled Area [Energy] Law and Legal Definition

According to 10 CFR 60.2 (1) [Title 10 – Energy; Chapter I -- Nuclear Regulatory Commission; Part 60 -- Disposal of High-Level Radioactive Wastes in Geologic Repositories; Subpart A -- General Provisions], the term postclosure controlled area means “a surface location, to be marked by suitable monuments, extending horizontally no more than 10 kilometers in any direction from the outer boundary of the underground facility, and the underlying subsurface, which area has been committed to use as a geologic repository and from which incompatible activities would be restricted following permanent closure.”