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
GENERAL RADIATION SAFETY REQUIREMENTS
Section 228.35 - Operating procedures

(a) Accelerators, when not in operation, shall be secured to prevent unauthorized use.

(b) An interlock may not be used to turn off the accelerator beam except in an emergency or for testing the interlock.

(c) Each safety and warning device, except interlocks, shall be checked at least every 3 months for proper functioning and shall be repaired as necessary. Interlocks shall be checked at least annually. Results of these checks and records of repairs shall be maintained for 5 years at the accelerator facility for inspection by the Department.

(d) In the event of a malfunction of a safety or warning device, the accelerator may not be operated unless appropriate interim precautions are instituted to provide equivalent protection.

(e) If it is necessary to intentionally bypass a safety interlock system or component thereof, the action shall be the following:

(f) A copy of the current operating and emergency procedures shall be maintained in the accelerator operator area.

(g) For accelerators used in the healing arts, operating procedures shall meet the following requirements:

(h) An individual who operates an accelerator system shall be instructed adequately in the safe operating procedures and be competent in the safe use of the equipment. The instructions must include items included in Appendix A (relating to determination of competence) for medical accelerator operations, as well as basic radiation protection for nonmedical accelerator operations. There shall be continuing education in radiation safety, biological effects of radiation, quality assurance and quality control.