REMEDIAL INVESTIGATION REPORT FOR THE 200-CW-5 U POND & Z DITCHES & 200-CW-2 S POND & 200-SCW-R T POND & 200-SC-1 STEAM CONDENSATE GROUP OU. PDF Download

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Languages : en
Pages : 490

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Book Description
The purpose of this remedial investigation (RI) report is to evaluate the data generated during the RI and other characterization activities at the 200-CW-5 Operable Unit (OU) to (1) determine if sufficient data have been collected to support risk assessment and remedial decision making, (2) estimate risk at the representative sites based on data collected during the RI and on other existing data, (3) determine the need to proceed with a feasibility study (FS), and (4) determine which constituents and site-specific considerations need to be addressed in the FS. This RI report also provides data to support the evaluation of alternatives in the FS with regard to meeting potential applicable or relevant and appropriate requirements, risk reduction, and potentially significant data gaps (if any). This RI report includes an evaluation of the baseline risk using characterization data generated during the RI and significant data from other investigations (e.g., historical data from the 216-U-10 Pond and the 216-Z-1D, 216-Z-11, 216-U-14, and 216-Z-19 Ditches). Data generated during the RI will support the closeout of waste sites in the 200-CW-5 OU, as well as the waste sites in the 200-CW-2,200-CW-4, and 200-SC-1 consolidated OUs.