CFR›Title 10›Chapter I›Part 20›Subpart F ContainsSections 20.1501–20.1502CorpusDaily eCFRDisplayed edition2026-05-12Last updated2026-05-12 Subpart F—Surveys and Monitoring Sections 20.1501 § 20.1501 General. 20.1502 § 20.1502 Conditions requiring individual monitoring of external and internal occupational dose. Source56 FR 23398, May 21, 1991, unless otherwise noted. Previous E Subpart E—Radiological Criteria for License Termination Next G Subpart G—Control of Exposure From External Sources in Restricted Areas