R 333.5422 Shielding.

Rule 422. (1) Portable shielding of at least 1.6 millimeter (1/16 inch) lead equivalent shall be used by the operator and other individuals nearby when possible. (2) Mobile or portable diagnostic x-ray equipment used routinely in 1 location shall be considered a fixed installation and shall meet the requirements of R 333.5405 and R 333.5407, or R 333.5411 and R 333.5417, or both.