Okla. Admin. Code § 252:410-11-56
Current through Vol. 42, No. 7, December 16, 2024
When a post-1989 system of 1 MeV or more is inherently capable of producing useful beams with unintentional asymmetry exceeding 5 percent, the asymmetry of the radiation beam in two orthogonal directions shall be monitored before the beam passes through the beam-limiting device. If the difference in dose rate between one region and another region symmetrically displaced from the central axis of the beam exceeds 5 percent of the central axis dose rate, devices shall be provided which will indicate this condition on the control panel. If the difference exceeds 10 percent, the system must terminate irradiation.
Okla. Admin. Code § 252:410-11-56