Accuracy and Sensitivity of Film Measurements of Gamma Radiation-part IV Intrinsic and Extrinsic Errors

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Abstract
This final paper summarizes briefly the remaining labroatory and field studies of a project aimed at assessing the overall accuracy, sensitivity, and sources of error in film dosimetry of gamma radiation. Taken together, these studies present a strong implication that properly designed and processed film badges are inherently capable of monitoring the long-term cumulative "whole-body" gamma exposure of individual radiation workers at levels one-tenth or less of the recommended limits of permissible occupational exposure. Further, the retrospective exposure record studies and field studies indicate that estimates of average population exposure to groups of radiation workers receiving annual exposures of 100 mR or more may in some cases be obtained within 10- 20% of the true value from existing personnel exposure records.

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