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T. Yi <br /> loom Mam <br /> dp EEO <br /> ' T. <br /> - -- R f��� ON <br /> I <br /> -- --' GGW-2 <br /> 0.16 J <br /> MW-12 <br /> , <br /> I•R <br /> r-' <br /> MW-10 t <br /> 0.32 <br /> GGW-1 <br /> I } s4A 0.025 <br /> • { i <br /> . flil•i�111l11�1�� .� c } <br /> i <br /> r' <br /> Legend Notes: Carbon Tetrachloride Concentrations <br /> Middle Zone Groundwater Monitoring Railroad Line Grab groundwater samples were collected in June 2024. Middle Zone <br /> W211 Location _ Monitoring well samples were collected on March 17 and First Quarter 2025 <br /> ,I Site Boundary March 18,2025. N <br /> • Grab Groundwater BoringLocation -Aerial imagery source:Nearmap,June 2024. 26700 South Banta Road <br /> 0 Parcel Boundary <:constituent not detected above the laboratory method Tracy,California <br /> Carbon Tetrachloride 0.5 pg/L detection limit <br /> Concentration Contour /--:primary/duplicate sample result <br /> pg/L:micrograms per liter Geosynte& Figure <br /> MW-10—sample location J:estimated value,qualified by laboratory or Geosyntec consultants 0.32 —carbon tetrachloride data validation <br /> concentration(pg/L) o s8o 7 <br /> Feet WR3133A May 2025 <br /> P:\GIS\Olin\Tracy\Project\2025-03_Biennial\Figures.aprx\Fig10_CarbonTetrachloride_Middle 5/14/2025 10:04AM(kwalton) <br />