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DEVELOPING SEDIMENT REMEDIATION GOALS AT SUPERFUND SITES BASED ON PORE WATER FOR THE PROTECTION OF BENTHIC ORGANISMS FROM DIRECT TOXICITY TO NONIONIC ORGANIC CONTAMINANTS
Burkhard, L.P., D.R. Mount, and R.M. Burgess.
EPA 600-R-15-289, 75 pp, 2017

This document contains a methodology for developing and applying pore water remediation goals (RGs) for nonionic organic contaminants in sediments for the protection of benthic organisms. The text provides a technical approach and basis for setting the pore water RGs for contaminants in sediments. Contaminant concentrations in the sediment pore water measured using passive sampling directly incorporate bioavailability of the chemicals at the site into the development of site-specific sediment RGs. Also discussed is how to evaluate the consistency between passive sampling measurements and sediment toxicity testing results. When these data are consistent, there is reasonable assurance that the causes of toxicity to benthic organisms in the sediment have been correctly identified and that the developed pore water RGs for the contaminants will be protective of the site's benthic organisms. https://semspub.epa.gov/work/HQ/100000539.pdf



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