Operating, Safety, and Emergency Procedures

(A) The licensee 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 105 CMR 120.681; (7) Loading, unloading, and repositioning sources, if the operations will be performed by the licensee; and, (8) Inspection of movable shielding required by 105 CMR 120.643(H), if applicable. (B) The licensee shall have and follow 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) The licensee may revise operating, safety, 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.