ABSTRACT A research project was conducted by the United States Environmental Protection Agency's (EPA) Superfund remedial program to study radiological assessment models used for contaminated sites. Several models developed by… Click to show full abstract
ABSTRACT A research project was conducted by the United States Environmental Protection Agency's (EPA) Superfund remedial program to study radiological assessment models used for contaminated sites. Several models developed by regulatory agencies in different countries are studied to present overview and comparisons. These models are recommended by governmental agencies for radiological assessment of contaminated soil, inside buildings, and outdoor surfaces. The project also addressed the methodological consistency between the EPA and the United Kingdom Environment Agency (UK EA) for radiological and chemical assessment models. The main purpose of this project is to establish a common ground for cooperation between regulatory agencies by facilitating better understanding of each agency's modeling approach and identifying the similarities and differences between these agencies. The project produced five reports that are published at the EPA's website. This paper summarizes the content of each report and presents results of a survey distributed electronically following an EPA webinar about the research projects, including the familiarity of the respondents with these models. All findings were statistically analyzed.
               
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