10 C.F.R. § 35.2070 Records of surveys for ambient radiation exposure rate.
Title 10 - Energy
A licensee shall retain a record of each survey required by §35.70 for 3 years. The record must include the date of the survey, the results of the survey, the instrument used to make the survey, and the name of the individual who performed the survey.
Title 10: Energy
PART 35—MEDICAL USE OF BYPRODUCT MATERIAL
Subpart L—Records
§ 35.2070 Records of surveys for ambient radiation exposure rate.