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- 4 1• <br /> •ti "t'• r .d d <br /> Tim <br /> Jr <br /> PCE: 7.5 '' - <br /> ¢ fir• �S�P DW-3 DW-2 ■ <br /> PCE: 0.21 PCE: 32 <br /> Amu <br /> • __.i. <br /> ..,.�„ - •. :`.. � � _ f-•- LA/1��5''�-�-�.u.r�-�.J L�j�,� f�•t��■!� M� -� rr •�—ir �a� �- — <br /> ',� Well Screened — Well Screened _ <br /> + _�-■� ID Interval PCE tom.+ ID Interval PCE <br /> ' c MW-6A 43-58 1.7 MW-3 20-40 1.0 <br /> ft MW-613 65-80 <0.50 <br /> r MW-6C 85-100 <0.50 <br /> r 1 f Well Screened <br /> ID Interval PCE r r, <br /> 1 Well Screened MW-4 20-40 2.3 <br /> ID Interval PCE 1 <br /> 1 • r. <br /> . MW-2 20-40 4.2 Well Screened <br /> 1 ( r ID Interval PCE <br /> F ft �'" ,• MW-5A 55-70 <0.50 <br /> t 1 OTT MW-5B 80-85 <0.50 <br /> r MW-5C 90-100 0.55 _ • , <br /> Q6r - f t ■ �- e <br /> Y ' 1 <br /> rr r _ 1 <br /> rr <br /> Fo <br /> r A rr <br /> r IF rr r <br /> ' Well Screened <br /> ID Interval -PCE M r - r7", ,: _ I y''''• <br /> IT <br /> MW-1 20-40 <0.50 <br /> JV <br /> II <br /> ` t <br /> Legend Notes: <br /> <:result not detected above the reporting limit September 2024 Groundwater PCE Concentrations <br /> Proposed Boring Location (Soil Vapor Q Manhole Location Current and Former Parkwood Cleaners Location PCE:tetrachloroethene and Proposed Off-Site Boring Locations <br /> ® Probe at 5 and 15 ft bgs and Grab Direction and Flow Path of Sanitary .—. Data shown is the last available PCE concentration for DW-1 <br /> Groundwater Sample) Parkwoods Shopping Center Boundary collected in July 2023. N 1762 West Hammer Lane <br /> p Sewer .—a Results are reported in micrograms per liter(pg/L). Stockton,California <br /> Groundwater Monitoring Well Parcel BoundaryDepths are in feet below ground surface. <br /> Location -Sample locations may be adjusted in the field pending access. <br /> Sanitary sewer source:City of Stockton Geosynte& Figure <br /> Domestic Supply Well Location Parcel source:San Joaquin County <br /> Aerial imagery source:Nearmap,July 2025. consultants <br /> 0 80 4 <br /> Feet SAC377 July 2025 <br /> \\Oakland-01\data\GIS\Parkwoods\Project\2025-07_lnvestigationWP\Figures.aprx\Fig04_GroundwaterSampling 7/28/2025 9:36 AM(kwalton) <br />