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FISH TISSUE RESIDUE-BASED WILDLIFE VALUES FOR PISCIVOUOUS WILDLIFE: CHLORDANE, DDT, DIELDRIN, HEXACHLOROBENZENE
Citation:
Henry, T R. AND R S. Bennett. FISH TISSUE RESIDUE-BASED WILDLIFE VALUES FOR PISCIVOUOUS WILDLIFE: CHLORDANE, DDT, DIELDRIN, HEXACHLOROBENZENE. Presented at Society for Environmental Toxicology and Chemistry, 8th Annual Meeting, Bloomington, MN, April 13-14,2000.
Description:
Fish tissue residue-based wildlife values were derived for chlordane, DDT, dieldrin, endrin, hexachlorobenzene, mercury and PCBs. Piscivorous wildlife for which these benchmarks were derived include belted kingfisher, river otter and mink. Toxic endpoint selection, criteria for toxicity study (TRV) selection, species-specific exposure factors and uncertainty factors were essentially the same as the methodology used in EPA's Great Lakes Water Quality Initiative (GL WQI). The wildlife values derived herein differ from the GL WQI criteria in that they are based solely on dietary intake of fish for each individual species and are expressed as fish tissue concentrations. The residue-based wildlife values may be useful benchmarks for screening level risk assessments for piscivorous wildlife.