S.C. Code Regs. § § 61-64.XI.RHB 11.3
All individuals working in or frequenting any portion of a restricted area shall: be kept informed of the use of x-ray equipment or of radiation in portions of the restricted area; be instructed in the health protection problems associated with exposure to x-ray equipment or radiation and in precautions or procedures to minimize exposure, and in the purposes and functions of protective devices employed; be instructed in, and instructed to observe, to the extent within the worker's control, the applicable provisions of Department regulations for the protection of personnel from radiation occurring in such areas; be instructed of their responsibility to report promptly to the registrant any conditions which may lead to or cause a violation of Department regulations or unnecessary exposure to radiation; be instructed in the appropriate response to warnings made in the event of an unusual occurrence or malfunction that may involve exposure to radiation; and be advised as to the radiation exposure reports which workers may request pursuant to RHB 11.4. The extent of these instructions shall be commensurate with potential radiological health protection problems in the restricted area.
S.C. Code Regs. § 61-64.XI.RHB 11.3