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Environmental Assessment

Estimating Exposure to Dioxin-Like Compounds

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The primary purpose of this document is to present procedures for conducting site-specific exposure assessments to dioxin-like compounds. In addition, information is provided on the levels of these compounds found in various media, identification of the possible associated sources, and estimation of the resulting exposure levels. his document is a revised version of the 1988 draft document titled, Estimating Exposure to 2,3,7,8-TCDD. his effort represents a substantial expansion in scope to include all compounds that exhibit dioxin-like toxicity. he types of sites covered in this document include incinerators, landfills, and other areas involving contaminated soils. he procedures identify possible exposure pathways associated with these sites, present fate models to estimate media concentrations at the point of exposure, and suggest ways to estimate contact rates and resulting exposure levels. ypothetical examples are used to illustrate the procedures. rief discussion is presented on procedures specific to effluent discharges to water bodies.

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Blancato, J., D. Cleverly, R. Fares, G. Huse, M. Lorber, J. Schaum, G. Schweer, AND P. White. Estimating Exposure to Dioxin-Like Compounds. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/6-88/005B (NTIS PB95148193).


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