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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 B T E X MTBE TBA DIPE ETBE TAME Ethanol McOH EDB D.O. <br /> Well No. Date Notes Elevation 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) (feet) (Ng/L) (pgIL) <br /> SMW-5 05/09/05 9.34 21.39 0.00 -12.05 170 <50 1.3 <0.50 <0.50 <1.0 7.5 <5.0 - - - - <0.50 <0.50 <br /> 08/08/05 21.39 0.00 -12.05 52 <50 <0.50 <0.50 <0.50 <1.0 2.8 <5.0 <2.0 <2.0 <2.0 <50 <0.50 <0.50 <br /> 11/07/05 23.24 0.00 -13.90 120 <50 9.5 <0.50 0.55 <1.0 11 14 - - - - <0.50 <0.50 <br /> 02/06/06 22.22 0.00 -12.88 60 <50 0.56 <0.50 <0.50 <1.0 15 17 <0.50 <0.50 <br /> 05/08/06 19.81 0.00 -10.47 150 92 0.78 <1.0 0.26 k 0.51 k 14 <10 <0.50 <1.0 <br /> 08/07/06 19.72 0.00 -10.38 61 57 0.51 <0.50 <0.50 <1.0 4.8 <5.0 <2.0 <2.0 <2.0 <50 <0.50 <0.50 <br /> 10/30/06 20.33 0.00 -10.99 150 71 2.6 <0.50 <0.50 <1.0 9.3 <5.0 - - - - <0.50 <0.50 <br /> 01/29/07 20.68 0.00 -11.34 56 93 <0.50 <0.50 <0.50 <1.0 12 <5.0 <0.50 <0.50 <br /> 05/07/07 20.16 0.00 -10.82 65 58 3.0 <1.0 0.19 k <1.0 17 <10 <0.50 <1.0 <br /> 08/06/07 20.66 0.00 -11.32 270 53 3.5 <1.0 0.26 k <1.0 27 6.2 k <2.0 <2.0 <2.0 <100 <0.50 <1.0 <br /> 11/05/07 21.38 0.00 -12.04 <50 <50 0.43 k <1.0 <1.0 <1.0 31 10 - - - - <0.50 <1.0 <br /> 02/04/08 20.25 0.00 -10.91 200 57 N 4.6 <1.0 <1.0 <1.0 32 27 <0.50 <1.0 <br /> 05/05/08 19.55 0.00 -10.21 - - - - - - - - - - <br /> 05/06/08 - - - 180 80 0.65 <1.0 <1.0 <1.0 20 <10 <2.0 <2.0 <2.0 <100 <0.50 <1.0 <br /> 08/04/08 20.38 0.00 -11.04 93 <50 <0.50 <1.0 <1.0 <1.0 16 <10 <2.0 <2.0 <2.0 <100 <0.50 <1.0 <br /> 10/28/08 21.42 0.00 -12.08 - - - - - - - - - - - - - - <br /> 10/29/08 - - - <50 <50 <0.50 <1.0 <1.0 <1.0 12 <10 <2.0 <2.0 <2.0 <100 <0.50 <1.0 <br /> 01/27/09 21.48 0.00 -12.14 120 <50 1.2 <1.0 <1.0 <1.0 11 <10 <2.0 <2.0 <2.0 <100 <0.50 <1.0 <br /> 04/27/09 20.04 0.00 -10.70 160 90 1.6 <1.0 <1.0 <1.0 10 14 <2.0 <2.0 <2.0 <100 <0.50 <1.0 <br /> 10/14/09 21.50 0.00 -12.16 - - - - - - - - - - - - - - <br /> 10/15/09 - - - 67 <50 <0.50 <1.0 <1.0 <1.0 5.2 <10 <2.0 <2.0 <2.0 <100 <0.50 <1.0 <br /> 05/24/10 19.00 0.00 -9.66 - - - - - - - - - - - - - - <br /> 05/25/10 - - - <50 54 N <0.50 <1.0 <1.0 <1.0 3.0 <10 <2.0 <2.0 <2.0 <100 <0.50 <1.0 <br /> 10/04/10 11.75 19.73 0.00 -7.98 - - - - - - - <br /> 10/13/10 - <50 <50 <0.50 <0.50 <0.50 <0.50 1.2 <5.0 <0.50 <0.50 <0.50 <5.0 <0.50 <br /> SMW-6 05/10/91 10.34 38.78 0.00 -28.44 - - - - - - - - - - - - - <br /> 02/05/92 40.18 0.00 -29.84 1,800 4.5 - 4.0 <br /> 05/15/92 39.56 0.00 -29.22 200 10 0.73 3.9 <br /> 10/15/92 41.97 0.00 -31.63 - - - - <br /> 12/17/92 41.95 0.00 -31.61 450 - 1.3 6.8 <br /> 03/18/93 39.32 0.00 -28.98 180 9.6 0.80 3.7 <br /> 06/10/93 37.87 0.00 -27.53 150 7.8 1.5 3.7 <br /> 09/20/93 - - - 36,000 2,200 2,500 540 4,300 <br /> 10/22/93 38.99 0.00 -28.65 - - - - - <br /> 12/22/93 38.65 0.00 -28.31 - - <br /> 03/16/94 37.85 0.00 -27.51 150 4.6 1.2 - 3.5 <br /> 06/15/94 37.52 0.00 -27.18 160 0.73 0.44 <0.5 <0.5 <br /> 09/22/94 38.83 0.00 -28.49 200 2.0 1.3 0.60 1.9 <br /> 12/01/94 38.63 0.00 -28.29 180 1.6 0.66 <0.5 1.3 <br /> 02/16/95 35.40 0.00 -25.06 160 2.1 1.2 <0.5 1.4 <br /> 05/17/95 31.94 0.00 -21.60 <50 <0.5 <0.5 <0.5 <0.5 <br /> 08/15/95 30.68 0.00 -20.34 <50 <0.5 <0.5 <0.5 <0.5 <br /> 11/16/95 30.33 0.00 -19.99 <50 <0.5 <0.5 <0.5 <0.5 <br /> Stockton Charter Way Commingled Plume 4Q10 Tables.xlsm Page 44 of 72 Stantec <br />