The ERA was designed after the often used sediment quality triad method, with the addition of two other lines of evidence (whole body concentrations in Uca pugnax (fiddler crab) and concentrations of acid volatile sulfides in sediment samples). Ecological Risk Assessment, Atlantic City Sewerage Company, Former Waste Water Treatment Plant Grit Disposal Area, Atlantic City, NJĪfter the delineation work was completed, the extent of potentially impaired sediment that would require remediation utilizing salt marsh sediment screening values was so extensive that W&E recommended going to the expense of performing a Ecological Risk Assessment for the purpose of developing site-specific risk-based remediation values for the constituents found in the salt marsh and channel sediment.
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