Okla. Admin. Code § 310:281-9-14
Notwithstanding the provisions of 310:281-9-13 a room or area is not required to be posted with a caution sign due to the presence of a diagnostic x-ray system provided that there are personnel in attendance during the production of x-rays who will take the precautions necessary to prevent the exposure of any individual to radiation in excess of the limits established in the regulations in this subchapter.
Added at 8 Ok Reg 3503, eff 8-15-91 (emergency)
Added at 9 Ok Reg 1643, eff 5-29-92
Amended at 21 Ok Reg 1037, eff 5-13-04