12 Va. Admin. Code § 5-481-1340
The radiographer's assistant shall be under the personal supervision of a radiographer when using sources of radiation or conducting radiation surveys required by subdivision 2 of 12VAC5-481-1360 to determine that the sealed source has returned to the shielded position or the radiation machine is off after an exposure. The personal supervision must include:
§ 32.1-229 of the Code of Virginia.
Derived from Virginia Register Volume 22, Issue 25, eff. September 20, 2006.