Pennsylvania Code
Title 25 - ENVIRONMENTAL PROTECTION
Part I - Department of Environmental Protection
Subpart D - Environmental Health and Safety
Article V - Radiological Health
Chapter 225 - RADIATION SAFETY REQUIREMENTS FOR INDUSTRIAL RADIOGRAPHIC OPERATIONS
Subchapter B - RADIATION-PRODUCING DEVICES
RADIATION SURVEY INSTRUMENT AND PERSONNEL MONITORING REQUIREMENTS
Section 225.92 - Radiation survey meter calibration requirements
Universal Citation: 25 PA Code ยง 225.92
Current through Register Vol. 54, No. 44, November 2, 2024
(a) In addition to the requirements of § 225.91 (relating to survey meter requirements), instruments required by this chapter shall have a range so that 2 mR (0.516 µC/kg) per hour through 1 R (258 µC/kg) per hour can be measured.
(b) Each radiation instrument shall be calibrated:
(1) At
energies appropriate for use.
(2)
At intervals not to exceed 6 months.
(3) After each instrument servicing, other
than battery replacement.
(4) To
within an accuracy of +/- 20%.
(5)
At two points located approximately one-third and two-thirds of full scale on
each scale of linear scale instruments; at mid-range of each decade and at two
points of at least 1 decade for logarithmic scale instruments; and for digital
instruments, at three points between 2 mR (0.516 µC/kg) and 1,000 mR (258
µC/kg) per hour.
(6) By a
person authorized by the Department, the NRC or an agreement state.
(c) Calibration records shall be maintained for inspection by the Department for 5 years after the date of calibration.
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