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25 Pa. Code § 221.24. Radiation from components other than the diagnostic source assembly.

§ 221.24. Radiation from components other than the diagnostic source assembly.

 The radiation emitted by a component other than the diagnostic source assembly may not exceed 2 milliroentgens (.516 µC/kg) in 1 hour at 5 centimeters from an accessible surface of the component when it is operated in an assembled X-ray system under conditions for which it was designed. Compliance shall be determined by measurements averaged over an area of 100 square centimeters with no linear dimension greater than 20 centimeters.


   The provisions of this §  221.24 amended under section 302 of the Radiation Protection Act (35 P. S. §  7110.302); and section 1920-A of The Administrative Code of 1929 (71 P. S. §  510-20).


   The provisions of this §  221.24 adopted February 1, 1972, effective February 2, 1972, 2 Pa.B. 212; amended December 18, 1987, effective December 19, 1987, 17 Pa.B. 5235. Immediately preceding text appears at serial pages (4882) to (4883).

Cross References

   This section cited in 25 Pa. Code §  221.35a (relating to fluoroscopic X-ray systems).

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