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X-Ray Section: Utah X-Ray Data: PA Chest ESE Data
In the period 1994 to 1996 a survey of 59 x-ray units in facilities in Utah that perform Chest x-ray procedures was completed. The goal was to evaluate exposure to a "Standard Man". Figure 1. is the summary of exposures obtained from this survey. The information is expressed as the percentage of x-ray units which had exposure within a certain range. For example 30 % of the units surveyed gave an ESE in the 10 to 14 mR range. 12% of the units gave exposures greater that 30 mR! The minimum ESE was 1.2 mR; the maximum was 122.0 mR, with an average ESE of 18.6 mR.
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