[Code of Federal Regulations] [Title 10, Volume 1] [Revised as of January 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 10CFR35.53] [Page 564] TITLE 10--ENERGY CHAPTER I--NUCLEAR REGULATORY COMMISSION PART 35--MEDICAL USE OF BYPRODUCT MATERIAL--Table of Contents Subpart C--General Technical Requirements Sec. 35.53 Measurement of dosages of unsealed byproduct material for medical use. A licensee shall: (a) Measure the activity of each dosage of a photon-emitting radionuclide prior to medical use. (b) Measure, by direct measurement or by combination of measurements and calculations, the activity of each dosage of an alpha- or a beta- emitting radionuclide prior to medical use, except for unit dosages obtained from a manufacturer or preparer licensed pursuant to 10 CFR 32.72 or equivalent Agreement State requirements; (c) Retain a record of the measurements required by this section for three years. To satisfy this requirement, the record must contain the: (1) Generic name, trade name, or abbreviation of the radiopharmaceutical, its lot number, and expiration dates and the radionuclide; (2) Patient's or human research subject's name, and identification number if one has been assigned; (3) Prescribed dosage and activity of the dosage at the time of measurement, or a notation that the total activity is less than 1.1 megabecquerels (30 microcuries); (4) Date and time of the measurement; and (5) Initials of the individual who made the record. [51 FR 36951, Oct. 16, 1986, as amended at 53 FR 19247, May 27, 1988; 59 FR 61784, Dec. 2, 1994] [[Page 565]]