OAR 333-121-0310: Operating and Emergency Procedures

(1) The licensee must have and follow written operating procedures for: (a) Operation of the irradiator, including entering and leaving the radiation room; (b) Use of personnel dosimeters; (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 OAR 333-121-0350; (g) Loading, unloading, and repositioning sources, if the operations will be performed by the licensee; and (h) Inspection of movable shielding required by OAR 333-121-0110(8), if applicable. (2) 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) A 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) The jamming of automatic conveyor systems. (3) The licensee may revise operating and emergency procedures without Authority approval only if all of the following conditions are met: (a) The revisions do not reduce the safety of the facility; (b) The revisions are consistent with the outline or summary of procedures submitted with the license application; (c) The revisions have been reviewed and approved by the radiation safety officer; and (d) The users or operators are instructed and tested on the revised procedures before they are put into use.