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Remediation System Well Abandonment Work Plan JACOBS' <br /> Table 1. Remediation Well Completion Details <br /> Las Vinas Dehydrator Station, San Joaquin County, California <br /> Top of <br /> Date Aban- Ground PVC Total Bentonite Drilling <br /> Piezo- doned/Date Surface Casing Horizontal Survey Well Seal Depth Dia- Well Dia- Casing <br /> meters/ Date Proposed to Elevation Elevation Coordinates Depth Depth Screened Material meter meter Material/ <br /> Wells Installed be Abandoned (ft AMSL) (ft AMSL) Latitude(N) Longitude(W) (ft bgs) (ft bgs) (ft bgs) Screened (inches) (inches) Slot Size <br /> BS-1 September Summer 2020 22.02 21.63 38.1563434 -121.3810436 24.1 16.5 to 22 to 24 Silty sand 8 2 Sch.40 PVC/ <br /> 2002 20.8 0.011, <br /> AS-1 September Summer 2020 NA NA 38.1565937 -121.3813159 32 27 to 29 30 to 32 Sandy silt 8 2 Sch.40 PVC/ <br /> 2014 0.011, <br /> AS-2 September Summer 2020 NA NA 38.1566551 -121.3812153 32 26 to 28 30 to 32 Silty sand 8 2 Sch.40 PVC/ <br /> 2014 0.011, <br /> AS-3 September Summer 2020 NA NA 38.1566102 -121.3808803 32 27 to 29 30 to 32 Sandy silt 8 2 Sch.40 PVC/ <br /> 2014 0.011, <br /> AS-4 September Summer 2020 NA NA 38.1564082 -121.3809255 32 27 to 29 30 to 32 Sandy silt 8 2 Sch.40 PVC/ <br /> 2014 0.011, <br /> OS-1 September Summer 2020 NA NA 38.1567450 -121.3812147 32 26 to 28 30 to 32 Silty sand 8 2 Sch.40 PVC/ <br /> 2014 0.011, <br /> OS-2 September Summer 2020 NA NA 38.1566509 -121.3811322 32 26 to 28 30 to 32 Sandy silt 8 2 Sch.40 PVC/ <br /> 2014 0.011, <br /> OS-3 September Summer 2020 NA NA 38.1566163 -121.3810440 32 25.5 to 30 to 32 Sandy silt 8 2 Sch.40 PVC/ <br /> 2014 27.5 0.011, <br /> OS-4 September Summer 2020 NA NA 38.1566768 -121.3813383 32 26 to 28 30 to 32 Silty sand 8 2 Sch.40 PVC/ <br /> 2014 0.011, <br /> OS-5 September Summer 2020 NA NA 38.1566363 -121.3812548 32 26 to 28 30 to 32 Silty sand 8 2 Sch.40 PVC/ <br /> 2014 with sand 0.011, <br /> lens <br /> OS-6 September Summer 2020 NA NA 38.1566039 -121.3811301 32 26 to 28 30 to 32 Sandy silt 8 2 Sch.40 PVC/ <br /> 2014 0.011, <br /> OS-7 September Summer 2020 NA NA 38.1566023 -121.3813581 32 25 to 28 30 to 32 Not logged 8 2 Sch.40 PVC/ <br /> 2014 0.011, <br /> OS-8 September Summer 2020 NA NA 38.1565509 -121.3812700 32 24 to 28 30 to 32 Sandy silt 8 2 Sch.40 PVC/ <br /> 2014 to silty 0.011, <br /> sand <br /> SV-1 September TBD NA NA 38.1563608 -121.3808888 10 3 to 4, 4 to 5, Poorly 3 1/4 Teflon Tubing <br /> 2002 5 to 9 9 to 10 graded <br /> sand <br /> Clay <br /> B11204191849AKT Page 1 of 4 <br />