SECTION 252:410-11-33. Filters

Latest version.

  The filter system of a <1 MeV system must be designed so that:
(1)   the filters cannot be accidentally displaced at any possible tube orientation;
(2)   for post-1989 generation equipment, an interlock system prevents irradiation if the proper filter is not in place;
(3)   the radiation at 5 centimeters from the filter insertion slot opening does not exceed 30 Roentgens per hour under any operating condition; and
(4)   each filter is marked as to its material of construction and its thickness. For wedge filters, the wedge angle shall appear on the wedge or wedge tray.

[Source: Added at 17 Ok Reg 1136, eff 6-1-00]

                    
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