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TABLE 2 <br />Historical Groundwater Monitoring & Analytical Data <br />Stockton Charter Way Commingled Plume <br />440, 441, and 508 West Charter Way, 1426, and 1444 South Lincoln Street, Stockton, CA <br />Well No. <br />Date <br />Notes <br />TOC <br />Elevation <br />(ft -MSL) <br />Depth <br />to <br />Water <br />(feet) <br />Measured <br />SPH <br />Thickness <br />(feet) <br />Calc. <br />GW <br />Elev. <br />(ft -MSL) <br />TPHg <br />(p9/L) <br />TPHd <br />(p9/L) <br />Motor <br />Oil <br />(lig/ <br />B <br />(p9/L) <br />T <br />(p9/L) <br />E <br />(p9/L) <br />X <br />(p9/L) <br />MTBE <br />(p9/L) <br />TBA <br />(p9/L) <br />DIPE <br />(p9/L) <br />ETBE <br />(p9/L) <br />TAME <br />(p9/L) <br />Ethanol <br />(p9/L) <br />McOH <br />(p9/L) <br />1'2 <br />DCA <br />DCA <br />EDB <br />(p9/L) <br />D.O. <br />(m9/L) <br />Comments <br />AMW-1 10/19/15 <br />11.77 <br />20.06 <br />0.00 <br />-8.29 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.70 <br />10/20/15 <br />- <br />- <br />- <br />1,000 <br />3.8 <br />1.4 <br />0.80 <br />3.2 <br />0.88 <br />9.3 <br />- <br />04/11/16 <br />17.97 <br />0.00 <br />-6.20 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.19 <br />04/13/16 <br />- <br />- <br />- <br />720 <br />4.7 <br />0.63 <br />0.55 <br /><1.5 <br />0.81 <br />15 <br />- <br />12/14/16 <br />19.24 <br />0.00 <br />-7.47 <br />850 <br />3.1 <br /><0.50 <br /><0.50 <br /><1.5 <br />0.75 <br />14 <br />0.92 <br />04/11/17 <br />11.65 <br />13.38 <br />0.00 <br />-1.73 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/12/17 <br />- <br />- <br />- <br />3,700 <br />48 <br />10 <br />2.9 <br />28 <br />0.51 <br />45 <br />0.33 <br />10/25/17 <br />16.30 <br />0.00 <br />-4.65 <br />560 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.5 <br />0.92 <br />11 <br />0.45 <br />05/07/18 <br />15.06 <br />0.00 <br />-3.41 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.34 <br />05/08/18 <br />- <br />- <br />- <br />171 BL <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br />1.3 <br />11 <br />- <br />05/28/19 <br />13.36 <br />0.00 <br />-1.71 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.97 <br />05/30/19 <br />- <br />- <br />- <br /><100 <br /><1.00 <br /><1.00 <br /><1.00 <br /><3.00 <br />2.0 <br />14 <br />- <br />11/25/19 <br />15.50 <br />0.00 <br />-3.85 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.66 <br />12/02/19 <br />- <br />- <br />- <br />170 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br />11 <br />- <br />04/01/20 <br />14.71 <br />0.00 <br />-3.06 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br />0.36 <br />11/12/20 <br />16.57 <br />0.00 <br />-4.92 <br />140 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br />1.9 <br />6.5 <br />0.70 <br />05/11/21 <br />15.76 <br />0.00 <br />-4.11 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br />0.88 <br />11/24/21 <br />16.32 <br />0.00 <br />-4.67 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br />1.4 <br /><5 <br />0.7 <br />05/09/22 <br />15.47 <br />0.00 <br />-3.82 <br />350 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br />1.3 <br />7.5 <br />0.99 <br />12/04/22 <br />17.48 <br />0.00 <br />-5.83 <br /><100 <br />0.51 <br /><0.500 <br /><0.500 <br /><1.50 <br />0.92 <br /><5.00 <br />- <br />- <br />- <br />0.43 <br />AMW-1B 08/30/00 <br />10.26 <br />21.25 <br />0.00 <br />-10.99 <br />500 <br />160 <br />6.9 <br />12 <br />26 <br /><2.0 <br /><200 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />- <br />11/21/00 <br />21.36 <br />0.00 <br />-11.10 <br />1,500 N <br />510 <br />17 <br />26 <br />55 <br /><2.0 <br /><200 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />- <br />02/15/01 <br />21.62 <br />0.00 <br />-11.36 <br />721 N <br />230 <br />10 <br />18 <br />24 <br /><2.0 <br /><200 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />0.8 <br />05/17/01 <br />20.95 <br />0.00 <br />-10.69 <br />425 N <br />160 <br />4.0 <br />9.1 <br />7.3 <br /><2.0 <br /><200 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />2.9 <br />08/16/01 <br />22.34 <br />0.00 <br />-12.08 <br />67 <br />0.66 <br /><0.50 <br />2.2 <br />1.5 <br /><2.0 <br /><200 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />2.0 <br />12/06/01 <br />23.37 <br />0.00 <br />-13.11 <br />77 N <br />30 <br />0.63 <br />2.2 <br />1.3 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.1 <br />02/14/02 <br />21.71 <br />0.00 <br />-11.45 <br /><50 <br />5.8 <br />0.68 <br /><0.50 <br />0.76 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.55 <br />1.7 <br />06/13/02 <br />22.06 <br />0.00 <br />-11.80 <br /><50 <br />3.6 <br /><0.50 <br /><0.50 <br />0.60 <br /><0.50 <br />- <br />- <br />- <br />- <br />- <br />1.3 <br />08/22/02 <br />23.14 <br />0.00 <br />-12.88 <br /><50 <br />2.8 <br /><0.50 <br /><0.50 <br />0.52 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.1 <br />11/13/02 <br />24.00 <br />0.00 <br />-13.74 <br /><50 <br />7.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><20 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.90 <br />- <br />02/12/03 <br />INA <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/29/03 <br />INA <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />08/04/03 <br />23.17 <br />0.00 <br />-12.91 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><20 <br /><1.0 <br /><1.0 <br /><1.0 <br /><100 <br />1.6 <br />2.2 <br />11/03/03 <br />24.70 <br />0.00 <br />-14.44 <br /><50 <br />0.76 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><20 <br /><1.0 <br /><1.0 <br /><1.0 <br /><100 <br />0.54 <br />2.2 <br />02/09/04 <br />24.56 <br />0.00 <br />-14.30 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><20 <br /><1.0 <br /><1.0 <br /><1.0 <br /><100 <br />1.9 <br />2.8 <br />05/10/04 <br />23.08 <br />0.00 <br />-12.82 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><20 <br /><1.0 <br /><1.0 <br /><1.0 <br /><100 <br />1.6 <br />1.8 <br />08/09/04 <br />24.35 <br />0.00 <br />-14.09 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><20 <br /><0.50 <br /><0.50 <br /><0.50 <br /><100 <br /><0.50 <br />5.7 <br />11/15/04 <br />25.21 <br />0.00 <br />-14.95 <br />68 <br />15 <br /><0.50 <br />0.82 <br />0.83 <br /><0.50 <br /><20 <br /><1.0 <br /><1.0 <br /><1.0 <br /><100 <br />0.57 <br />2.4 <br />02/08/05 <br />23.92 <br />0.00 <br />-13.66 <br />61 <br />4.2 <br /><0.50 <br />0.76 <br /><0.50 <br /><0.50 <br /><20 <br /><1.0 <br /><1.0 <br /><1.0 <br /><100 <br />1.1 <br />3.9 <br />05/09/05 <br />21.68 <br />0.00 <br />-11.42 <br /><50 <br />7.5 <br /><0.50 <br />1.2 <br />1.1 <br /><0.50 <br /><20 <br /><1.0 <br /><1.0 <br /><1.0 <br /><100 <br />0.58 <br />1.5 <br />08/18/05 <br />22.42 <br />0.00 <br />-12.16 <br />200 <br />12 <br />0.56 <br /><0.50 <br />2.7 <br /><0.50 <br /><20 <br /><0.50 <br /><0.50 <br /><0.50 <br /><100 <br />0.96 <br />1.9 <br />11/17/05 <br />NS <br />- <br />- <br />- <br />02/06/06 <br />NS <br />05/08/06 <br />NS <br />08/07/06 <br />19.16 <br />0.00 <br />-8.90 <br />1,800 <br />1.3 <br /><0.50 <br />0.65 <br /><0.50 <br /><0.50 <br /><20 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br /><0.50 <br />0.8 <br />10/30/06 <br />1 9.91 <br />20.55 <br />0.00 <br />-10.64 <br />1 170 <br />8.7 <br /><0.50 <br /><0.50 <br />1.7 <br /><0.50 <br /><20 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br />0.94 <br />1.3 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 3 of 116 Stantec <br />