Abstract
Bulk and elutriate test data from 43 depth-composited cores in 3 New York, U.S.A., peat deposits are compared in order to evaluate the leachability of 11 metals under simulated stormwater runoff conditions. Synthetic rain water was used to simulate the type and quality of water which interacts with the peat during stockpiling and mining operations. The composited samples were mixed in three different concetrations to represent a high range of total suspended solids expected during a runoff event and to allow for an assessment of leachability under varying peat-to-water concentrations. Bulk analysis data revealed elevated concentrations of chromium, iron, lead and manganese in the peat deposits. Elutriate test data indicates that iron and manganese are easily leached and may be mobile under the proposed site drainage plan. However, the relatively low concentrations of those two metals should not adversely affect surface and/or ground water quality.
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