PubMed · 12751201
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Brian R Gaulke. 2003. Comment on article by Hogue.. https://doi.org/10.1097/00004032-200305001-00015
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Radiological characterization of a site provides extensive information beyond that associated with the extent of contamination. A detailed analysis of characterization sample results will identify the mix of radionuclides present and possible interrelationships between the radionuclides. Once a set of Derived Concentration Guidelines Levels are established, it is possible to optimize a sample analysis protocol based on the relative importance of each radionuclide to the anticipated final dose calculation. In some cases the radionuclides identified during characterization will include a complex mixture of easy and hard-to-detect radionuclides including alpha emitters. The approach developed in this paper considers the percentage contribution of each radionuclide to the dose estimate. This discussion is limited to cases where analytical laboratory analysis of soil samples has been determined to be the appropriate method to demonstrate compliance with the regulatory criteria stated in the form of Derived Concentration Guideline Levels.
The COMPASS software was designed to facilitate the use of MARSSIM and guide the user into making informed decisions in designing final status radiological surveys. COMPASS also simplifies the application of the statistical tests by performing the statistical calculations and providing prospective power curves that help in determining what level of confidence the user is willing to accept for a particular number of measurements or samples for a survey unit. After performing the final status survey, COMPASS assesses the data for comparison to the release criteria. The purpose of this article is to provide the COMPASS user with an overview of the features of the software and to demonstrate how COMPASS implements the MARSSIM guidance.