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ECOLOGICAL SOIL SCREENING LEVELS FOR SOIL INVERTEBRATES AND PLANTS
Citation:
Checkai, R. T., M. Swindoll, S. Ells, C. Falco, S C. Foster, D. Gannon, L. A. Kapustka, R. G. Kuperman, R. Lee, C L. Russom, J. Speicher, G. Stephenson, AND R. S. Wentsel. ECOLOGICAL SOIL SCREENING LEVELS FOR SOIL INVERTEBRATES AND PLANTS. Presented at 21st SETAC Annual Meeting, Nashville, TN, November 12-16, 2000.
Description:
Ecological Soil Screening Levels (Eco-SSLs) are being developed for 24 inorganic and inorganic chemicals for soil invertebrates and plants using procedures developed by a Task Group of the USEPA Eco-SSL Work Group. The Eco-SSL Work Group is a collaboration among USEPA, DoD, DOE, states, universities and industry. Eco-SSLs serve as a tool to identify soil contaminant levels that warrant further site assessment, and to eliminate those that do not. The Eco-SSLs and a technical discussion for each of these soil contaminants and receptors are being developed for a USEPA Superfund Guidance document. The technical discussions compare Eco-SSLs to background concentrations across the USA, and nutrient requirements (when appropraite). Technical discussions also address bioavailability issues, ecotoxicity issues (mode of action), assessment of the data used to derive each Eco-SSL, and the utilization of the Eco-SSLs to screen COCs at Superfund sites during initial stages of Ecological Risk Assessment. The Eco-SSLs and plots of the toxicity used to derive them will be shown for selected chemicals.