Section 120.931 - Training Requirements(A) The licensee or registrant may not permit any individual to act as a logging supervisor as defined in 105 CMR 120.900 until such individual has: (1) Successfully completed a course recognized by the Agency, the U.S. Nuclear Regulatory Commission, an Agreement State, or a Licensing State, at least 24 hours of formal training in the subjects outlined in 105 CMR 20.960: Appendix A;(2) Received copies of and instruction in the regulations contained in 105 CMR 120.900 and the applicable sections of 105 CMR 120.001, 120.200 and 120.750 or their equivalent, conditions of appropriate license or certificate of registration, and the licensee's or registrant's operating and emergency procedures;(3) Demonstrated understanding of the requirements of 105 CMR 120.931(A)(1) and 120.931(A)(2) by successfully completing a written examination administered by the licensee or registrant;(4) Completed 320 hours of on-the-job training under the supervision of a logging supervisor; and(5) Demonstrated through a field evaluation, competence to use sources of radiation, related handling tools, and survey instruments which will be used on the job.(B) The licensee or registrant may not permit any individual to act as a logging assistant until such individual has: (1) Received copies of and instruction in the regulations contained in 105 CMR 120.900 and in the applicable sections of 105 CMR 120.001, 120.200 and 120.750 and the licensee's or registrant's operating and emergency procedures and demonstrated an understanding thereof;(2) Demonstrated competence to use, under the personal supervision of the logging supervisor, the sources of radiation, related handling tools, and radiation survey instruments which will be used on the job.(C) The licensee or registrant shall provide safety review for logging supervisors and logging assistants at least once during each calendar year.(D) The licensee or registrant shall maintain records documenting the training and reviews required by 105 CMR 120.931(A), (B) and (C) for inspection by the Agency for three years following termination of employment.