Section 246-230-070 - Radiation surveys(1) Radiation surveys must be conducted by a qualified expert to verify: (a) Dose of radiation per screening and maximum allowable scans per year for any individual at stated dosage per screening;(b) Radiation leakage at the surface, within radiation screening zone, at operator position, and surrounding areas. If the radiation survey conducted by a qualified expert indicates the operators could receive 10 percent of the occupational worker's annual dose limit of 5 rem, a dosimetry badge shall be worn while within the radiation screening zone;(c) Safety interlocks are functioning properly;(d) Operation and emergency procedures are in place and used as appropriate;(e) Training program and training log are in place and used as appropriate; and(f) Any other parameters specified by the manufacturer.(2) The registrant must ensure that radiation surveys are completed:(a) Prior to first use and upon replacement of security screening system;(b) Every 10 to 14 months;(c) Within 30 days following any maintenance that affects: (iii) Radiation production components; and(d) Within 30 days following any alteration or incident that may have damaged the system in a way that unintended radiation emission occurs.(3) A qualified expert will provide a summary of each radiation survey to the registrant, outlining results and recommendations for corrections. Corrections must be made within 30 days of receiving the recommendations.Wash. Admin. Code § 246-230-070
Adopted by WSR 25-01-051, Filed 12/11/2024, effective 1/11/2025