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TABLE 3 <br /> Historical Groundwater Monitoring &Analytical Data <br /> Stockton Charter Way Commingled Plume <br /> 440, 441, and 508 West Charter Way and 1444 South Lincoln Street, Stockton, CA <br /> Depth Measured Calc. <br /> TOC Motor 1,2- <br /> to SPH GW GRO DRO Oil B T E X MTBE TBA DIPE ETBE TAME Ethanol McOH DCA EDB D.O. <br /> Well No. Date Notes Elevation <br /> (feet) Water Thickness Elev. (pg/L) (pg/L) (Oil (pg/L) (pg/L) (pg/L) (pg/L) (pg/L) (pg/L) (pg/L) (pg/L) (Ng/L) (Ng/L) (pg/L) (DCA (pg/L) (mg/L) Comments <br /> (feet) (feet) (feet) <br /> SMW-19-81 05/24/10 9.50 18.89 0.00 -9.39 - - - - - - - - - - - - - - <br /> 05/25/10 - - - 6,400 700 N 3,400 <20 <20 <20 370 <200 <40 <40 <40 <2,000 <10 <20 <br /> 10/04/10 11.90 20.28 0.00 -8.38 - - - - - - - <br /> 10/16/10 - 3,100 <200 1,300 5.7 <2.5 9.9 22 35 <2.5 <2.5 <2.5 <25 <2.5 <br /> SMW-19-120 09/24/02 9.88 25.87 0.00 -15.99 - - - - - - - - - - - - - - <br /> 09/27/02 24.59 0.00 -14.71 11,000 - 520 1,300 270 1,400 9.0 <50 <5.0 <5.0 <5.0 <500 <5.0 <5.0 - <br /> 11/13/02 24.99 0.00 -15.11 1,100 <100 66 49 30 130 2.8 <50 <2.0 <2.0 <2.0 - <2.0 <2.0 0.7 <br /> 02/11/03 23.85 0.00 -13.97 1,800 <500 91 26 51 38 3.9 <50 <2.0 <2.0 <2.0 <2.0 <2.0 1.0 <br /> 05/29/03 23.58 0.00 -13.70 440 <80 21 1.6 9.4 11 1.2 <50 <2.0 <2.0 <2.0 <2.0 <2.0 - <br /> 08/14/03 24.39 0.00 -14.51 120 74 16 <0.50 4.4 2.7 1.4 <5.0 <2.0 <2.0 <2.0 <0.50 <0.50 <br /> 11/03/03 25.42 0.00 -15.54 190 68 8.6 <0.50 2.5 1.2 0.69 <5.0 <2.0 <2.0 <2.0 <0.50 <0.50 <br /> 02/09/04 24.46 0.00 -14.58 150 250 14 <0.50 0.81 <1.0 1.5 <5.0 - - - <0.50 <0.50 <br /> 05/10/04 24.28 0.00 -14.40 110 <50 4.4 <0.50 <0.50 <1.0 0.82 <5.0 - - - <0.50 <0.50 <br /> 08/09/04 25.40 0.00 -15.52 <50 91 0.86 <0.50 <0.50 <1.0 0.86 <5.0 <2.0 <2.0 <2.0 <50 <0.50 <0.50 <br /> 11/15/04 26.14 0.00 -16.26 70 <50 2.7 <0.50 <0.50 <1.0 <0.50 <5.0 - - - - <0.50 <0.50 <br /> 02/08/05 24.47 0.00 -14.59 <50 <50 2.0 <0.50 <0.50 <1.0 <0.50 <5.0 <0.50 <0.50 <br /> 05/09/05 22.49 0.00 -12.61 <50 <50 <0.50 <0.50 <0.50 <1.0 <0.50 <5.0 - - <br /> 08/08/05 23.42 0.00 -13.54 <50 <50 1.7 <0.50 <0.50 <1.0 <0.50 <5.0 <2.0 <2.0 <2.0 <50 <br /> 11/07/05 23.63 0.00 -13.75 <50 <50 <0.50 <0.50 <0.50 <1.0 <0.50 <5.0 - - - - <br /> 02/06/06 22.86 0.00 -12.98 <50 220 <0.50 <0.50 <0.50 <1.0 <0.50 <5.0 <br /> 05/08/06 20.80 0.00 -10.92 <50 300 0.55 <1.0 <1.0 <1.0 <1.0 <10 <br /> 08/07/06 21.17 0.00 -11.29 <50 58 <0.50 <0.50 <0.50 <1.0 <0.50 <5.0 <2.0 <2.0 <2.0 <50 <br /> 10/30/06 22.19 0.00 -12.31 <50 <50 2.9 <0.50 <0.50 <1.0 <0.50 <5.0 - - - - <br /> 01/29/07 21.90 0.00 -12.02 <5,000 190 170 <50 <50 <100 <50 <500 <br /> 05/07/07 21.28 0.00 -11.40 <50 <50 1.9 <1.0 <1.0 <1.0 <1.0 <10 <br /> 08/06/07 22.22 0.00 -12.34 70 N 72 N 1.4 <1.0 <1.0 <1.0 0.30 <10 <2.0 <2.0 <2.0 <100 <br /> 11/05/07 22.54 0.00 -12.66 <50 53 N 2.9 <1.0 <1.0 <1.0 0.55 6.3 - - - - <br /> 02/04/08 20.72 0.00 -10.84 <50 100 N <0.50 <1.0 <1.0 <1.0 <1.0 <10 <br /> 05/05/08 21.00 0.00 -11.12 - - - - - - - - <br /> 05/06/08 - - - <50 <50 <0.50 <1.0 <1.0 <1.0 <1.0 <10 <br /> 08/04/08 21.68 0.00 -11.80 <50 <50 <0.50 <1.0 <1.0 <1.0 <1.0 <10 <2.0 <2.0 <2.0 <100 <br /> 10/28/08 22.62 0.00 -12.74 <50 56 N <0.50 <1.0 <1.0 <1.0 <1.0 <10 - - - - <br /> 01/27/09 22.48 0.00 -12.60 - - - - - - - - <br /> 01/28/09 - - - <50 56 <0.50 <1.0 <1.0 <1.0 <1.0 <10 <br /> 04/27/09 21.15 0.00 -11.27 <50 <50 <0.50 <1.0 <1.0 <1.0 <1.0 <10 <br /> 10/14/09 22.01 0.00 -12.13 - - - - - - - - <br /> 10/15/09 - - - <50 170 N <0.50 <1.0 <1.0 <1.0 <1.0 <10 <2.0 <2.0 <2.0 <100 <br /> 05/24/10 19.51 0.00 -9.63 - - - - - - - - - - - - <br /> 05/25/10 - - - <50 84 N 0.83 1.9 <1.0 1.7 <1.0 <10 <br /> 10/04/10 12.29 21.08 0.00 -8.79 - - - - - - - <br /> 10/13/10 - <50 <50 <0.50 <0.50 <0.50 <0.50 0.55 <br /> SMW-20-83.5 11/08/07 INA 9.67 - - - - - - - - - - <br /> 11/20/07 22.29 0.00 -12.62 - - - - - - - <br /> Stockton Charter Way Commingled Plume 4Q10 Tables.xlsm Page 69 of 72 Stantec <br />