EKI conducts human health and ecological risk assessments in support of remedial actions designed to achieve regulatory agency closure of releases or to facilitate redevelopment of brownfields properties.  A defensible risk assessment requires an understanding of the chemical distribution in environmental media, definition of the reasonably anticipated land uses, and estimation of potential chemical exposures.  Based upon this knowledge, it can be determined if the risk at a site can be judged by simply comparing chemical data to published screening levels, such as EPA PRGs or state criteria, or whether the risk and site-specific remediation goals must be calculated following EPA RAGs or state guidance.  EKI has applied various risk-based corrective action methods to address the issues posed by site contamination.

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