{"data":{"id":"us/10-cfr-35.60","jurisdiction":"us","citation":"10 CFR 35.60","heading":"Possession, use, and calibration of instruments used to measure the activity of unsealed byproduct material.","body":"(a) For direct measurements performed in accordance with § 35.63, a licensee shall possess and use instrumentation to measure the activity of unsealed byproduct material before it is administered to each patient or human research subject.\n(b) A licensee shall calibrate the instrumentation required in paragraph (a) of this section in accordance with nationally recognized standards or the manufacturer's instructions.\n(c) A licensee shall retain a record of each instrument calibration required by this section in accordance with § 35.2060.","path":["Title 10—Energy","CHAPTER I—NUCLEAR REGULATORY COMMISSION","PART 35—MEDICAL USE OF BYPRODUCT MATERIAL","Subpart C—General Technical Requirements"],"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":"aa6baee79a00409c86595353880041aa071c9d0248b8eb4366fab74bdb3bc881","source_id":"us-cfr","stale":true,"prev":"us/10-cfr-35.59","next":"us/10-cfr-35.61"},"notice":"GroundRules: Original legal text. Not legal advice."}