10 CFR § 35.2433 - Records of decay of strontium-90 sources for ophthalmic treatments.
---identifier: "/us/cfr/t10/s35.2433"source: "ecfr"legal_status: "authoritative_unofficial"title: "10 CFR § 35.2433 - Records of decay of strontium-90 sources for ophthalmic treatments."title_number: 10title_name: "Energy"section_number: "35.2433"section_name: "Records of decay of strontium-90 sources for ophthalmic treatments."chapter_name: "NUCLEAR REGULATORY COMMISSION"part_number: "35"part_name: "MEDICAL USE OF BYPRODUCT MATERIAL"positive_law: falsecurrency: "2026-04-05"last_updated: "2026-04-05"format_version: "1.1.0"generator: "[email protected]"authority: "Atomic Energy Act of 1954, secs. 81, 161, 181, 182, 183, 223, 234, 274 (42 U.S.C. 2111, 2201, 2231, 2232, 2233, 2273, 2282, 2021); Energy Reorganization Act of 1974, secs. 201, 206 (42 U.S.C. 5841, 5846); 44 U.S.C. 3504 note."regulatory_source: "67 FR 20370, Apr. 24, 2002, unless otherwise noted."cfr_part: "35"---
Identifier
/us/cfr/t10/s35.2433
Currency
2026-04-05
Positive Law
No
Updated
2026-04-05
Chapter
Nuclear Regulatory Commission
Authority
Atomic Energy Act of 1954, secs. 81, 161, 181, 182, 183, 223, 234, 274 (42 U.S.C. 2111, 2201, 2231, 2232, 2233, 2273, 2282, 2021); Energy Reorganization Act of 1974, secs. 201, 206 (42 U.S.C. 5841, 58... Atomic Energy Act of 1954, secs. 81, 161, 181, 182, 183, 223, 234, 274 (42 U.S.C. 2111, 2201, 2231, 2232, 2233, 2273, 2282, 2021); Energy Reorganization Act of 1974, secs. 201, 206 (42 U.S.C. 5841, 5846); 44 U.S.C. 3504 note.
# 35.2433 Records of decay of strontium-90 sources for ophthalmic treatments.(a) A licensee shall maintain a record of the activity of a strontium-90 source required by § 35.433 for the life of the source.(b) The record must include—(1) The date and initial activity of the source as determined under § 35.432; and(2) For each decay calculation, the date and the source activity as determined under § 35.433.