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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) (N9/L) (pg/L) <br /> SMW-14 02/04/08 5.61 19.00 0.00 -10.39 120 83 N <2.5 <5.0 <5.0 <5.0 250 230 <2.5 <5.0 <br /> 05/05/08 19.50 0.00 -10.89 - - - - - - - - - - <br /> 05/06/08 - - - 55 <50 <0.50 <1.0 <1.0 <1.0 66 270 <2.0 5.6 <2.0 <100 2.2 <1.0 <br /> 08/04/08 19.55 0.00 -10.94 71 <50 <0.50 <1.0 <1.0 <1.0 27 530 <2.0 6.7 <2.0 <100 2.7 <1.0 <br /> 10/28/08 20.45 0.00 -11.84 64 <50 <0.50 <1.0 <1.0 <1.0 34 180 <2.0 3.1 <2.0 <100 2.1 <1.0 <br /> 01/27/09 20.45 0.00 -11.84 <50 <50 <0.50 <1.0 <1.0 <1.0 20 250 <2.0 3.8 <2.0 <100 1.6 <1.0 <br /> 04/27/09 19.19 0.00 -10.58 64 <50 <0.50 <1.0 <1.0 <1.0 31 340 <2.0 4.5 <2.0 <100 2.2 <1.0 <br /> 10/14/09 20.50 0.00 -11.89 <50 66 N <0.50 <1.0 <1.0 <1.0 8.3 320 <2.0 3.9 <2.0 <100 2.3 <1.0 <br /> 05/24/10 18.52 0.00 -9.91 <50 <50 0.84 4.3 <1.0 5.1 9.4 390 <2.0 3.3 <2.0 <100 1.5 <1.0 <br /> 10/04/10 11.02 20.30 0.00 -9.28 - - - - - - - - - - - - <br /> 10/14/10 - - <50 <50 <0.50 <0.50 <0.50 <0.50 7.5 100 <0.50 3.0 <0.50 <5.0 1.1 - <br /> SMW-14-49 07/22/09 8.61 19.61 0.00 -11.00 <50 - <0.50 <0.50 <0.50 <0.50 20 130 <0.50 4.6 <0.50 - 1.8 <0.50 1.0 <br /> 10/14/09 20.44 0.00 -11.83 <50 <0.50 <0.50 <0.50 <0.50 14 350 <0.50 4.7 <0.50 2.1 <0.50 - A <br /> 10/14/09 - - - <50 <0.50 <0.50 <0.50 <0.50 14 5.1 <0.50 3.8 <0.50 1.6 <0.50 - B <br /> 01/12/10 20.29 0.00 -11.68 <50 <0.50 <0.50 <0.50 <0.50 17 130 <0.50 3.8 <0.50 1.4 <0.50 1.6 <br /> SMW-15 09/20/93 - - - - 12,000 2,700 80 42 200 - - - - - - - - <br /> 10/22/93 9.88 39.64 0.00 -29.76 - - - - - <br /> 12/22/93 39.35 0.00 -29.47 <br /> 03/16/94 - - <br /> 06/15/94 <br /> 09/22/94 <br /> 12/01/94 - - <br /> 02/16/95 36.93 0.00 -27.05 12,000 3,100 71 51 190 <br /> 05/17/95 32.27 0.00 -22.39 200 65 1.6 0.59 2.0 <br /> 08/15/95 31.70 0.00 -21.82 4,100 1,100 28 13 50 <br /> 11/16/95 32.12 0.00 -22.24 8,300 2,400 52 74 150 <br /> 02/27/96 29.38 0.00 -19.50 11,000 3,000 92 140 210 <br /> 05/15/96 27.59 0.00 -17.71 8,400 2,900 59 65 170 <br /> 08/22/96 28.25 0.00 -18.37 8,800 2,500 75 51 180 <br /> 11/25/96 28.30 0.00 -18.42 8,600 2,800 77 45 260 <br /> 02/24/97 24.33 0.00 -14.45 7,400 1,700 48 12 150 <br /> 05/19/97 24.20 0.00 -14.32 4,200 860 32 5.4 43 <br /> 08/21/97 25.17 0.00 -15.29 8,700 1,800 47 21 130 <br /> 11/18/97 26.12 0.00 -16.24 6,800 1,100 32 17 120 <br /> 02/09/98 23.66 0.00 -13.78 5,600 1,400 30 9.1 55 <br /> 05/21/98 19.54 0.00 -9.66 5,100 860 28 17 68 <br /> 08/11/98 19.65 0.00 -9.77 1,400 150 8.0 <2.5 14 <br /> 11/09/98 20.70 0.00 -10.82 3,000 480 15 6.4 35 <br /> 02/17/99 20.55 0.00 -10.67 3,300 910 24 <2.50 43 <br /> 05/25/99 19.25 0.00 -9.37 7,200 1,900 38 20 65 <br /> 08/18/99 20.33 0.00 -10.45 2,300 610 14 <10.0 37 <br /> 11/05/99 21.20 0.00 -11.32 130 22 0.63 <0.500 <0.500 <br /> 02/22/00 21.33 0.00 -11.45 250 24 9.5 4.1 20 <br /> Stockton Charter Way Commingled Plume 4Q10 Tables.xlsm Page 62 of 72 Stantec <br />