OAR 333-106-0320: Additional Requirements for Radiographic Machines: Radiation from Capacitor Energy Storage Equipment in Standby Status

Radiation emitted from the X-ray tube when the exposure switch or timer is not activated shall not exceed a rate of two milliroentgens (0.516 uC/kg) per hour at five centimeters from any accessible surface of the diagnostic source assembly, with the beam-limiting device fully open.