Ariz. Admin. Code § R9-7-423
A licensee shall use, to the extent practicable, process or other engineering controls, such as containment, decontamination, or ventilation, to control the concentration of radioactive material in air.
New Section R9-7-423 recodified from R12-1-423, at 24 A.A.R. 813, effective March 22, 2018 (Supp. 18-1).