FRAMEWORK FOR CUMULATIVE RISK ASSESSMENT (REVIEW DRAFT)
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In response to the increasing focus on cumulative risk, several EPA programs have begun to explore cumulative approaches to risk assessment. In 1997, The EPA Science Policy Council issued a guidance on planning and scoping for cumulative risk assessments (http://www.epa.gov/ORD/spc/2cumrisk.htm). More recently, the Office of Pesticide Programs has developed draft cumulative risk assessment guidance focused on implementing certain provisions of FQPA. The Office of Air Quality Planning and Standards has applied cumulative exposure models in its analyses for the National-Scale Air Toxics Assessment (NATA). In addition, community-specific cumulative risk assessment has been explored through the Agency's Cumulative Exposure Project. The EPA Science Policy Council has asked the Risk Assessment Forum to begin developing Agency-wide cumulative risk assessment guidance that builds from these ongoing activities. As a first step, a technical panel convened under the Risk Assessment Forum has been working to develop a Framework for Cumulative Risk Assessment. Building from the Agency's growing experiences, this Framework is intended to identify the basic elements of the cumulative risk assessment process. It should provide a flexible structure for the technical issues and define key terms associated with cumulative risk assessment.
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