180 NAC 19-019. OPERATING AND EMERGENCY PROCEDURES

019. OPERATING AND EMERGENCY PROCEDURES. 019.01 OPERATING PROCEDURES. The licensee must have and follow written operating procedures for: (A) Irradiator operation, including entering and leaving the radiation room;(B) Personnel dosimeter use;(C) Surveying the shielding of panoramic irradiators;(D) Monitoring pool water for contamination while the water is in the pool and before release of pool water to unrestricted areas;(E) Leak testing of sources;(F) Inspection and maintenance checks required by 180 NAC 19-023;(G) Loading, unloading, and repositioning sources, if the operations will be performed by the licensee; and(H) Inspection of movable shielding required by 180 NAC 19-008.08, if applicable. 019.02 EMERGENCY PROCEDURES. The licensee must have and follow emergency or abnormal event procedures, appropriate for the irradiator type, for: (A) Sources stuck in the unshielded position;(B) Personnel overexposures;(C) A radiation alarm from the product exit portal monitor or pool monitor;(D) Detection of leaking sources, pool contamination, or alarm caused by contamination of pool water;(E) A low or high water level indicator, an abnormal water loss, or leakage from the source storage pool;(F) Prolonged loss of electrical power;(G) A fire alarm or explosion in the radiation room;(H) An alarm indicating unauthorized entry into the radiation room, area around pool, or another alarmed area;(I) Natural phenomena, including an earthquake, a tornado, flooding, or other phenomena as appropriate for the geographical location of the facility; and(J) Automatic conveyor system jams. 019.03 REVISIONS. The licensee may revise operating and emergency procedures without Department approval only if all of the following conditions are met: (A) Revisions do not reduce the safety of the facility;(B) Revisions are consistent with the outline or summary of procedures submitted with the license application;(C) Revisions have been reviewed and approved by the radiation safety officer; and(D) Users or operators are instructed and tested on the revised procedures before they are put into use.