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Software Review of Risk*Assistant (Version 1.1) and RiskEZ (Version 1), both for Windows

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Abstract:

RiskEZ and Risk*Assistant both make site risk assessment more accessible to many users and provide a relatively efficient means for performing screening level risk assessments. The programs perform basic site risk assessment calcu lations for users and provide point estimates of incremental individual cancer risks and non cancer hazard quotients following standard Environmental Pro tection Agency risk assessment guidance documents. Risk*Assistant allows the user to input raw data from which it can perform some dispersion modeling and calculate exposure point concentrations, while RiskEZ takes the exposure point concentrations as inputs. RiskEZ includes features that allow multiple network users to work on the same site and to deal with radioactive contami nants as well as chemical ones, while Risk*Assistant limits access to a site to one user at a time and it includes non radioactive substances. Neither program currently has the capability to perform probabilistic risk analyses, although Risk*Assistant allows the user to peform some sensitivity analysis. This review highlights differences between the programs and demonstrates how selection of a particular program might influence the results.

Document Type: Research Article

DOI: http://dx.doi.org/10.1080/10807039891284514

Affiliations: Harvard Center for Risk Analysis, Boston, MA

Publication date: June 1, 1998

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