ABSTRACT

The significance of considering potential health risks in the selection of remedial options for contaminated soils has been observed in a growing number of cases in which remediation of waste sites has created public health concerns different than the risks associated with the baseline condition. The baseline risk assessment evaluated potential health risks from exposure to chemicals at the site in the absence of remediation. The results of the assessment indicated that public health risks from exposure to groundwater and soil could potentially occur if the chemicals were left in place. The proposed remediation plan for the site soils included excavation and redeposition of the contaminated soil into an onsite disposal cell in one portion of the property, and capping of all site chemicals within the confines of the slurry wall. For quantification of potential health risks, the chemical concentrations are estimated at each receptor location, using information on the mechanics of the remedial process to predict potential chemical emissions.