CFR›Title 10›Chapter III›Part 835›Subpart F ContainsSections 835.501–835.502CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart F—Entry Control Program Sections 835.501 § 835.501 Radiological areas. 835.502 § 835.502 High and very high radiation areas. Previous E Subpart E—Monitoring of Individuals and Areas Next G Subpart G—Posting and Labeling