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Well Completion Details - -fable I Lathrop Dehydrator Station San Joaquin County Ground Top of PVC Total Well Bentonite Depth Piezometers/ Surface Casing Depth Seal Depth Screened Material Screened Well Dia. Slot Size Wells Elevation Elevation (ft bgs) (ft bgs) (ft bgs) (in.) (ft) (ft) MW-1 NS 9.61 20.0 4.5 to 6.5 7.5 to 20 Silty sand 2 Schedule 40 PVC/0.02" MW-2 NS 10.61 21.8 4 to 7 10 to 20 Sand, poorly graded sand 2 Schedule 40 PVC/0.02" MW-3 NS 10.51 21.1 5 to 8 9 to 19 Sand, poorly graded sand 2 Schedule 40 PVC/0.02" MW-4 NS 10.47 20.7 2.5 to 3.5 3.5 to 18.5 Sand, poorly graded sand 2 Schedule 40 PVC/0.02" MW-5 NS 9.25 17.5 4 to 6 7 to 17 Sandy clayey silt,sandy silty clay, 2 Schedule 40 PVC/0.02" sand silt MW-6 NS 9.58 17.8 5 to 7 8 to 18 Sandy silt 2 Schedule 40 PVC/0.02" MW-7 NS 9.54 17.0 5 to 7 7 to 17 Clayey silt, sandy clayey silt, poorly 2 Schedule 40 PVC/0.02" graded sand MW-8 NS 9.69 17.3 4 to 6 7 to 17 Sandy clayey silt, clayey sandy silt, 2 Schedule 40 PVC/0.02" silty sand MW-9 NS 9.35 19.6 NA 4,5 to 19.5 NA 2 Schedule 40 PVC/0.02" MW-10 NS 12.45 22.6 NA 4 to 19 NA 2 Schedule 40 PVC/0.02" MW-11A NS 12.08 22.3 NA 4 to 19 NA 2 Schedule 40 PVC/0.02" MW-11 B NS 12.46 43.2 NA 35 to 45 NA 0.75 Schedule 40 PVC/0.02" Notes: ft =feet ft bgs= feet below ground surface in.=inches PVC= polyvinyl chloride NA= not available NS= not surveyed Northing and easting coordinates are based on California Zone 2 State Plane Coordinates, North American Datum 1983. Ground surface and top of PVC casing elevations are based on an assumed 100.00-foot datum on a control point benchmark.