{"data":{"id":"us/10-cfr-35.2204","jurisdiction":"us","citation":"10 CFR 35.2204","heading":"Records of molybdenum-99, strontium-82, and strontium-85 concentrations.","body":"A licensee shall maintain a record of the molybdenum-99 concentration or strontium-82 and strontium-85 concentration tests required by § 35.204(b) and (c) for 3 years. The record must include:\n(a) For each measured elution of technetium-99m, the ratio of the measures expressed as kilobecquerel of molybdenum-99 per megabecquerel of technetium-99m (or microcuries of molybdenum per millicurie of technetium), the time and date of the measurement, and the name of the individual who made the measurement; or\n(b) For each measured elution of rubidium-82, the ratio of the measures expressed as kilobecquerel of strontium-82 per megabecquerel of rubidium-82 (or microcuries of strontium-82 per millicurie of rubidium), kilobecquerel of strontium-85 per megabecquerel of rubidium-82 (or microcuries of strontium-85 per millicurie of rubidium), the time and date of the measurement, and the name of the individual who made the measurement.","path":["Title 10—Energy","CHAPTER I—NUCLEAR REGULATORY COMMISSION","PART 35—MEDICAL USE OF BYPRODUCT MATERIAL","Subpart L—Records"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-10.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:09Z","sha256":"3c5a985daf5d7d733f83e6d6524bb431ff09d1b53ea3a37ea7ad845849a9f5e2","source_id":"us-cfr","stale":true,"prev":"us/10-cfr-35.2092","next":"us/10-cfr-35.2310"},"notice":"GroundRules: Original legal text. Not legal advice."}