A. Licensees shall have and follow written operating procedures for:
- 1. Operation of the irradiator, including entering and leaving the radiation room;
- 2. Use of personnel dosimeters;
- 3. Surveying the shielding of panoramic irradiators;
- 4. Monitoring pool water for contamination while the water is in the pool and before release of pool water to unrestricted areas;
- 5. Leak testing of sources;
- 6. Inspection and maintenance checks required by 12VAC5-481-2880;
- 7. Loading, unloading, and repositioning sources if the operations will be performed by the licensee; and
- 8. Inspection of movable shielding required by 12VAC5-481-2730, if applicable.
B. Licensees shall have and follow written emergency or abnormal event procedures appropriate for the irradiator type for:
- 1. Sources stuck in the unshielded position;
- 2. Personnel overexposures;
- 3. A radiation alarm from the product exit portal monitor or pool monitor;
- 4. Detection of leaking sources, pool contamination, or alarm caused by contamination of pool water;
- 5. A low or high water level indicator, an abnormal water loss, or leakage from the source storage pool;
- 6. A prolonged loss of electrical power;
- 7. A fire alarm or explosion in the radiation room;
- 8. An alarm indicating unauthorized entry into the radiation room, area around pool, or another alarmed area;
- 9. Natural phenomena, including an earthquake, a tornado, flooding, or other phenomena as appropriate for the geographical location of the facility; and
- 10. The jamming of automatic conveyor systems.
C. Licensees may revise operating and emergency procedures without agency approval only if all of the following conditions are met:
- 1. The revisions do not reduce the safety of the facility;
- 2. The revisions are consistent with the outline or summary of procedures submitted with the license application;
- 3. The revisions have been reviewed and approved by the radiation safety officer; and
- 4. The users or operators are instructed and tested on the revised procedures before they are put into use.
Statutory Authority
§ 32.1-229 of the Code of Virginia.
Historical Notes
Derived from Virginia Register Volume 22, Issue 25, eff. September 20, 2006; amended, Virginia Register Volume 24, Issue 18, eff. June 12, 2008; Volume 32, Issue 24, eff. August 25, 2016.