Pennsylvania Code
Title 25 - ENVIRONMENTAL PROTECTION
Part I - Department of Environmental Protection
Subpart D - Environmental Health and Safety
Article V - Radiological Health
Chapter 227a - RADIATION SAFETY REQUIREMENTS FOR NON-HEALING ARTS RADIATION-PRODUCING DEVICES
Subchapter B - GENERAL TECHNICAL REQUIREMENTS
Section 227a.20 - Testing of safety devices

(a) Testing interval. Testing of safety devices, such as interlocks, shutters, warning lights and required emergency shut-off switches, shall be conducted on all operable radiation-producing devices at intervals not to exceed 12 months.

(b) Device failure. If a safety device fails during testing, the radiation-producing device shall be removed from service until the safety device is corrected or proper temporary administrative controls are established. The RSO shall approve in writing the temporary administrative controls.

(c) Availability of records. Records of safety device tests, check dates, findings and corrective actions shall be available for inspection and maintained for 5 years.

(d) Record requirements. Records required under this section must include the date of the test, a list of the safety devices tested, survey instrument information, the calibration date, the results of the test, the name of the person performing the test and, for safety devices that fail the required test, corrective actions taken.

(e) Out of service requirements. Testing of safety devices may be deferred if the unit or installation, or both, are clearly marked and kept out of service. A unit or installation, or both, brought back into service after the 12-month interval specified in subsection (a) shall be tested prior to use.

(f) Testing constraints. If testing of a safety device cannot be performed due to manufacturer design, the registrant shall document that the safety device cannot be tested and specify why the safety device cannot be tested.