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Groundwater Well Installation Work Plan Sharpe Army Depot <br /> Lathrop, California <br />Ahtna Environmental, Inc. iii <br />Tables <br />1 Specifications for Proposed Groundwater Extraction Wells <br />2 Details for Existing Wells in the Vicinity of New Extraction Wells and Monitoring Wells <br />Figures <br />1 Sharpe Army Depot Vicinity Map <br />2 Hydro geologic Cross-Section Locations <br />3 Hydrogeologic Cross-Section A-A’ and COC Vertical Isoconcentration Profile <br />4 Hydrogeologic Cross-Section B-B’ and COC Vertical Isoconcentration Profile <br />5 Hydrogeologic Cross-Section C-C’ and COC Vertical Isoconcentration Profile <br />6 MW505C TCE Time-Series Plot <br />7 SHAD-007 &-008 Waste Characterization Analytical Results Map <br />8 Proposed EWNC7 Location <br />9 Proposed Groundwater Monitoring Well Locations, B Zone <br />10 Proposed Groundwater Monitoring and Extraction Well Locations, C Zone <br />11 Potentiometric Surface Contours, Estimated Capture Zones, and COC Plumes, A Zone, 3Q19 <br />12 Proposed EWA1R Location <br />13 EWNC7 Well Construction Diagram <br />14 Groundwater Monitoring Well Construction Diagram <br />15 EWA1R Well Construction Diagram <br />16 Well Sampling Frequency Decision Logic <br />Appendices <br />A Field forms <br />B Field Standard Operating Procedures <br />C Response to Regulatory Comments <br />Attachments <br />1 SHAD-007 & -008 Capture Analysis