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Code · CFR · Title 10 — Energy · Part 35 — Medical Use of Byproduct Material · § 35.204

§ 35.204. Permissible molybdenum-99, strontium-82, and strontium-85 concentrations.

225 words·~1 min read·/us/cfr/t10/s§ 35.204·

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(a)A licensee may not administer to humans a radiopharmaceutical that contains:
(1)More than 0.15 kilobecquerel of molybdenum-99 per megabecquerel of technetium-99m (0.15 microcurie of molybdenum-99 per millicurie of technetium-99m); or
(2)More than 0.02 kilobecquerel of strontium-82 per megabecquerel of rubidium-82 chloride injection (0.02 microcurie of strontium-82 per millicurie of rubidium-82 chloride); or more than 0.2 kilobecquerel of strontium-85 per megabecquerel of rubidium-82 chloride injection (0.2 microcurie of strontium-85 per millicurie of rubidium-82).
(b)A licensee that uses molybdenum-99/technetium-99m generators for preparing a technetium-99m radiopharmaceutical shall measure the molybdenum-99 concentration in each eluate from a generator to demonstrate compliance with paragraph
(a)of this section.
(c)A licensee that uses a strontium-82/rubidium-82 generator for preparing a rubidium-82 radiopharmaceutical shall, before the first patient use of the day, measure the concentration of radionuclides strontium-82 and strontium-85 to demonstrate compliance with paragraph
(a)of this section.
(d)If a licensee is required to measure the molybdenum-99 concentration or strontium-82 and strontium-85 concentrations, the licensee shall retain a record of each measurement in accordance with § 35.2204.
(e)The licensee shall report any measurement that exceeds the limits in paragraph
(a)of this section at the time of generator elution, in accordance with § 35.3204. [67 FR 20370, Apr. 24, 2002, as amended at 72 FR 55932, Oct. 1, 2007; 83 FR 33107, July 16, 2018]
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§ 35.204
Permissible molybdenum-99, strontium-82, and strontium-85 concentrations.
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