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          44:03:01:08.03.  Equipment standards for medical fluoroscopic X ray machines. Fluoroscopic X ray equipment shall be image intensified and the standards are as follows:


          (1)  The filtration or beam quality is considered adequate if the total in the beam is not less than the table below:


Operating Voltage vs. Total Filtration Required

(Total filtration = inherent plus added)

Operating Voltage


(Peak kilovolt) (kVp)

(Millimeters aluminum equivalent)



Below 50

0.5 millimeters

50 -- 70

1.5 millimeters

Above 70

2.5 millimeters


          (2)  A manually reset, cumulative timing device shall be used which must either indicate elapsed time by an audible signal or turn off the apparatus if the total exposure exceeds a predetermined limit in one or a series of exposures. The device shall have a maximum range of five minutes;


          (3)  Any exposure to the operator's eyes above the screen and to the operator's waist behind the leaded drapes may not exceed 50 milliroentgens per hour;


          (4)  For routine fluoroscopy, the tabletop exposure may not exceed:


               (a)  Ten roentgens per minute with automatic exposure rate control;


               (b)  Twenty roentgens per minute with optional high level control provided. A continuous signal audible to the operator shall indicate that the high level control is being employed; or


               (c)  Five roentgens per minute with fluoroscopic equipment without automatic exposure control;


          (5)  The fluoroscopic X ray field may not exceed the visible area of the image receptor by more than four percent of the SID; and


          (6)  A dead-man switch shall control the fluoroscopic device.


          Source: 26 SDR 96, effective January 23, 2000.

          General Authority: SDCL 34-21-4.1, 34-21-15.

          Law Implemented: SDCL 34-21-4.1, 34-21-15.


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