12 Va. Admin. Code § 5-481-3230
Each licensee or registrant shall maintain current records, which shall be kept available for three years from the date of the recorded event, showing the following information for each source of radiation:
§ 32.1-229 of the Code of Virginia.
Derived from Virginia Register Volume 22, Issue 25, eff. September 20, 2006; amended, Virginia Register Volume 24, Issue 18, eff. June 12, 2008.