Section 325.5323. Conditions of operation.  


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  • Rule 323.  (1) Operation shall comply with  the  general  requirements  of rule 317.

    (2) If the x-ray tube of a contact therapy machine as defined in rule 321 (3) is hand held during irradiation, the operator shall wear protective gloves and a protective apron. When practical, a cap  of  at  least  0.5 millimeter lead equivalence should cover the  aperture  window of the tube housing of such apparatus when the apparatus is not being used. Because the exposure rate at the surface of the window of contact therapy and beryllium window machines may be more than 10,000 R per minute, extreme precautions are necessary to prevent accidental exposure to the useful beam.

History: 1954 ACS 85, Eff. Dec. 3, 1975.