10 C.F.R. § 35.204 Permissible molybdenum-99 concentration.
Title 10 - Energy
(a) A licensee may not administer to humans a radiopharmaceutical that contains more than 0.15 kilobecquerel of molybdenum-99 per megabecquerel of technetium-99m (0.15 microcurie of molybdenum-99 per millicurie of technetium-99m). (b) A licensee that uses molybdenum-99/technetium-99m generators for preparing a technetium-99m radiopharmaceutical shall measure the molybdenum-99 concentration of the first eluate after receipt of a generator to demonstrate compliance with paragraph (a) of this section. (c) If a licensee is required to measure the molybdenum-99 concentration, the licensee shall retain a record of each measurement in accordance with §35.2204.
Title 10: Energy
PART 35—MEDICAL USE OF BYPRODUCT MATERIAL
Subpart D—Unsealed Byproduct Material—Written Directive Not Required
§ 35.204 Permissible molybdenum-99 concentration.
