Author(s)

P.T. Katsumata & W.E. Kastenberg

Abstract

State-of-the-art risk assessment models are applied in the reassessment of baseline risks and remedy selection at a Superfund Site for which a Record of Decision (ROD) has been issued. One objective is to demonstrate the differ- ences between state-of-the-art risk assessment models and those used in the original RODs. The cost/benefit of several remedial alternatives is also con- sidered for each site. Risks are assessed using improved models that incorporate the uncertainties and variability of the input parameters. In addition, parameter distributions have been advanced which are more scientifically and technically defensible than the United States Environmental Protection Agency's (EPA) default point estimate values. Application of these state-o

Keywords