SECTION 252:410-11-64. Absorbed dose rate; post-1989 systems

Latest version.

  Post-1989 systems of 1 MeV or more must have a system that produces readings from which the absorbed dose rate at a reference point in the treatment volume can be calculated. Radiation detectors may form part of this system. In addition:
(1)   Rate displays. The dose monitor unit rate must be displayed at the control panel; and
(2)   Termination devices. If under any conditions, a post-1989 system can, at the normal treatment distance, deliver an absorbed dose rate of more than twice the maximum value specified by the manufacturer for any machine parameters utilized, the permittee must:
(A)   ensure the system has an operable device which terminates irradiation when the absorbed dose rate exceeds twice the specified maximum value; and
(B)   maintain a record of the manufacturer's specified maximum value.

[Source: Added at 17 Ok Reg 1136, eff 6-1-00]

                    
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