Pennsylvania Code
Title 25 - ENVIRONMENTAL PROTECTION
Part I - Department of Environmental Protection
Subpart D - Environmental Health and Safety
Article V - Radiological Health
Chapter 228 - RADIATION SAFETY REQUIREMENTS FOR PARTICLE ACCELERATORS
RADIATION SAFETY REQUIREMENTS FOR ACCELERATORS USED IN THE HEALING ARTS
Section 228.73 - Selection of stationary beam therapy or moving beam therapy
Current through Register Vol. 54, No. 44, November 2, 2024
Equipment capable of stationary beam therapy or moving beam therapy, or both, must meet all of the following additional requirements:
(1) Irradiation may not be possible until a selection of stationary beam therapy or moving beam therapy has been made at the control panel.
(2) An interlock system shall be provided to insure that the equipment can operate only in the mode which has been selected.
(3) An interlock system shall be provided to prevent irradiation if any selected operations carried out in the treatment rooms do not agree with the selected operations carried out at the control panel.
(4) The mode of operation shall be displayed at the control panel.
(5) An interlock system shall be provided to terminate irradiation if one of the following occurs:
(6) An interlock system shall be provided to terminate irradiation if the number of dose monitor units delivered along an arc differs by more than 10% from the selected value. Termination of irradiation shall be as required by § 228.70 (relating to interruption and termination switches).
