Section 144-220-E-A-4 - ExemptionsA. Uses of certified and certifiable cabinet x-ray systems are exempt from the requirements of this Part except for any applicable requirements of sections E.25. and E.30.B. Industrial uses of hand-held light intensified imaging devices are exempt from the requirements in this section if the exposure level 18 inches from the source of radiation to any individual does not exceed 2 millirem per hour (mrem/hr) (0.02 millisieverts per hour (mSv/hr)). Devices with exposure levels that exceed the 2 mrem/hr (0.02 mSv/hr) level shall meet the applicable requirements of this section, Part D or Part H, as applicable.C. Radiation machines determined by the Agency to constitute a minimal threat to human health and safety in accordance with E.25. and E.30., as applicable, are exempt from the requirements in this section except for the requirements of paragraph 1 above.D. Facilities that utilize radiation machines for industrial radiography at permanent radiographic installations only are exempt from the requirements of this section except for the requirements of E.25. and E.30., as applicable. Receipt, transfer, and disposal of sources of radiation and devices using depleted uranium (DU) for shielding. Each licensee and registrant shall make and maintain records in accordance with E.26, showing the receipt, transfer, and disposal of sources of radiation and devices using for shielding.E. Receipt, transfer, and disposal of sources of radiation and devices using depleted uranium (DU) for shielding. Each licensee and registrant shall make and maintain records in accordance with E.26, showing the receipt, transfer, and disposal of sources of radiation and devices using for shielding.10-144 C.M.R. ch. 220, § E-A-4