An inquiry to compare the readings of film- and pocket dosimeters worn by the same individual at the same time showed similar results, a fact which was found to be very satisfying. Of the 2132 dosimeters compared, only 46 (2.2%) were outside the standard error of -30/+50% permitted for film dosimetry. The majority of these (37) can be explained to be due to the different type of energy dependence of these 2 dosimeter types. The total dosis measured reflected an even better, conformity, differing only by 11.3% to 14.4% depending on the mode of calculation, the difference being partially due to the better sensitivity of the film dosimeters to low energy beta radiation. An additional result of the study is the conclusion to recommend more careful use and recording of pocket dosimetry.
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