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The Pennsylvania Code website reflects the Pennsylvania Code changes effective through 54 Pa.B. 488 (January 27, 2024).

25 Pa. Code § 221.65. X-ray attenuation systems.

§ 221.65. X-ray attenuation systems.

 CT systems solely used to calculate attenuation coefficients or for image registration in nuclear medicine studies must meet the requirements in § §  221.202—221.205 unless otherwise exempted as follows:

   (1)  CT systems identified in this section are exempt from § §  221.202(a) and 221.204(a)(4)(xi) (relating to equipment requirements; and performance evaluations, routine QC and surveys).

   (2)  Instead of §  221.204(a) (relating to performance evaluations, routine QC and surveys), the registrant shall complete a performance evaluation on the CT system following the recommendations of a QMP, the system manufacturer or a nationally-recognized organization at intervals not to exceed 14 months.

   (3)  Instead of §  221.204(b), checks shall be established and documented by the registrant following nationally-recognized guidelines or those recommended by the manufacturer.


   The provisions of this §  221.65 issued under sections 301 and 302 of the Radiation Protection Act (35 P.S. § §  7110.301 and 7110.302); and section 1920-A of the Administrative Code (71 P.S. §  510.20).


   The provisions of this §  221.65 adopted October 26, 2018, effective January 24, 2019, 48 Pa.B. 6791.

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