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CX-012198: Categorical Exclusion Determination

Well Pump Tests Phase II in Sandia and Mortandad Canyons
CX(s) Applied: B6.9
Date: 05/19/2014
Location(s): New Mexico
Offices(s): Los Alamos Site Office

The scope of activities for the second phase of the Well Pump Tests in Sandia and Mortandad Canyons project includes: tracer studies, replacement of existing well pumps, extended pumping and treating of monitoring wells, excavating additional pits for storing treated water near R-28, land application of treated water, installing a new Chromium Extraction (CrEX) well pad and drilling the new CrEX-1 well, modeling, groundwater sampling, and performing pilot-scale feasibility studies for a larger remediation system.