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Central Area Treatment Plant <br />MW427A <br />MW402A <br />MW403A <br />MW409A <br />MW413A <br />MW420A <br />MW422A <br />MW428A <br />MW430A <br />MW432A <br />MW438A <br />MW439A <br />MW441A <br />MW444AMW445A <br />MW446AMW453A <br />MW454A <br />MW456A <br />MW457A <br />MW458A <br />MW459A <br />MW473A <br />MW475A <br />MW510A <br />EWNA5 <br />MW514A MW517A MW521A <br />EWA2 <br />EWA3 <br />EWA6 <br />EWA8 <br />EWA9 <br />DW001DW002DW003 <br />MW401A <br />MW416AMW419A <br />MW421A <br />MW437A <br />MW460AB MW462A <br />MW507A <br />MW512A <br />EWA10 <br />EWA5 <br />DW004 <br />EWNA9 <br />MW477A <br />MW478A <br />IOW1A <br />MW443A <br />MW429A <br />MW440A <br />MW452A <br />MW455A <br />MW511A <br />EWA1 <br />MW479A <br />MW482A <br />MW484A <br />EWA7 <br />MW505A <br />MW508A <br />MW522A <br />MW417A MW423A <br />MW407A <br />MW431A <br />MW410A <br />MW425A <br />EWNA10 <br />EWNA4 <br />MW463A <br />MW442AMW476A <br />EWCA1 <br />MW418AR <br />MW412A <br />MW415A <br />EWCAB2 <br />MW481A <br />EWNA1 <br />EWNA2 <br />EWNA3 <br />EWNA6 <br />MW531A <br />MW532A <br />PZ005 <br />MW488A <br />P5A <br />MW530A <br />MW470AR <br />MW495A <br />MW325AB1MW325A <br />MW326A <br />P21A <br />P22A <br />P23AMW328AMW329A <br />MW330A <br />MW540A MW541A <br />MW542A <br />P15A <br />P16AP17AP18AP19AP20A <br />P25A <br />P26A <br />P27A <br />EWA11 <br />EWCA2 <br />MW303A <br />MW304A <br />MW331A <br />MW332A <br />MW300A <br />MW301A <br />MW302AB MW309A <br />Figure <br />Proposed GroundwaterWell Locations, C ZoneFFA Annual Progress ReportOctober 2017-September 2018Sharpe Army Depot, Lathrop, California <br />Notes:The TCE/PCE plumes were developed using3Q19 groundwater sample results from extractionand monitoring wells and from HydroPunch sample results from the 2007/2008, 2011/2012, and 2013 CPT/HydroPunch investigations.Dashed line indicates uncertain extent or interpretationbased only on hydropunch data. <br />Legend <br />Sharpe Boundary <br />Proposed Extraction Well <br />Groundwater Flow Direction (3Q19) <br />Estimated Capture Zone (3Q19) <br />PCE greater than ACL (0.5 µg/L) <br />TCE greater than ACL (5 µg/L) <br />Figure <br />12 <br />Proposed EWA1R LocationGroundwater Well Installation Work PlanSharpe Army Depot, Lathrop, California01,000 <br />Scale in Feet <br />½Extraction Well <br />Monitoring Well <br />G!Potable Well <br />@A <br />Piezometer <br />!½!½EWA1R <br />EWA1 <br />!½EWA1R <br />0 20 <br />Scale in Feet <br />Proposed Conveyance Line <br />Existing Conveyance Line