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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 />SLMW-3A 11/25/19 <br />NSP <br />11.51 <br />15.52 <br />0.00 <br />-4.01 <br />04/01/20 <br />14.67 <br />0.00 <br />-3.16 <br />04/02/20 <br />- <br />- <br />- <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br />0.52 <br />11/11/20 <br />NSP <br />16.36 <br />0.00 <br />-4.85 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/10/21 <br />15.95 <br />0.00 <br />-4.44 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br />5.9 <br />0.68 <br />11/23/21 <br />NS <br />16.25 <br />0.00 <br />-4.74 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/09/22 <br />16.13 <br />0.00 <br />-4.62 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br />1.78 <br />11/23/22 <br />NS <br />17.45 <br />0.00 <br />-5.94 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />SLMW-4A 07/23/07 <br />11.16 <br />20.23 <br />0.00 <br />-9.07 <br />200 <br />0.97 <br /><0.50 <br /><0.50 <br />0.61 <br />3.6 <br />5.8 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />- <br />1.4 <br />10/16/07 <br />21.24 <br />0.00 <br />-10.08 <br />180 <br />18 <br /><0.50 <br /><0.50 <br /><0.50 <br />87 <br />9.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />- <br />01/15/08 <br />20.71 <br />0.00 <br />-9.55 <br />120 <br />6.3 <br /><0.50 <br /><0.50 <br /><0.50 <br />150 <br />13 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />04/14/08 <br />19.36 <br />0.00 <br />-8.20 <br />95 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />200 <br />14 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.72 <br /><0.50 <br />07/15/08 <br />19.89 <br />0.00 <br />-8.73 <br />100 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />140 <br />29 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.61 <br /><0.50 <br />10/28/08 <br />21.25 <br />0.00 <br />-10.09 <br />71 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />56 <br />82 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />2.8 <br />01/27/09 <br />20.16 <br />0.00 <br />-9.00 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />15 <br />88 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.5 <br />04/29/09 <br />19.99 <br />0.00 <br />-8.83 <br />58 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />4.1 <br />71 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.1 <br />07/22/09 <br />20.36 <br />0.00 <br />-9.20 <br />50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />2.9 <br />62 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />16.9 <br />10/14/09 <br />21.20 <br />0.00 <br />-10.04 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />2.4 <br />51 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />2.7 <br />Duplicate 3 <br />01/12/10 <br />20.97 <br />0.00 <br />-9.81 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />2.6 <br />41 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />4.6 <br />05/24/10 <br />18.65 <br />0.00 <br />-7.49 <br /><50 <br /><0.50 <br /><1.0 <br /><1.0 <br /><1.0 <br />1.7 <br />42 <br /><2.0 <br /><2.0 <br /><2.0 <br /><0.50 <br /><1.0 <br />- <br />10/04/10 <br />11.40 <br />19.67 <br />0.00 <br />-8.27 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.4 <br />10/14/10 <br />- <br />- <br />- <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.8 <br />25 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />- <br />04/04/11 <br />17.60 <br />0.00 <br />-6.20 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.49 <br />B Zone <br />04/05/11 <br />- <br />- <br />- <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.1 <br />39 <br />- <br />B Zone <br />10/03/11 <br />NSP <br />17.74 <br />0.00 <br />-6.34 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/09/12 <br />17.70 <br />0.00 <br />-6.30 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />11 <br />1.08 <br />10/16/12 <br />18.24 <br />0.00 <br />-6.84 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.6 <br />18 <br />0.95 <br />04/22/13 <br />16.79 <br />0.00 <br />-5.39 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.55 <br />04/23/13 <br />- <br />- <br />- <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.2 <br />22 <br />- <br />10/14/13 <br />NSP <br />18.11 <br />0.00 <br />-6.71 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/22/14 <br />17.65 <br />0.00 <br />-6.25 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.1 <br />14 <br />4.98 <br />10/20/14 <br />NSP <br />19.37 <br />0.00 <br />-7.97 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/27/15 <br />17.92 <br />0.00 <br />-6.52 <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.0 <br /><0.50 <br /><5.0 <br />1.02 <br />10/19/15 <br />NSP <br />20.11 <br />0.00 <br />-8.71 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/11/16 <br />17.81 <br />0.00 <br />-6.41 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.40 <br />04/12/16 <br />- <br />- <br />- <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.5 <br /><0.50 <br /><5.0 <br />- <br />12/12/16 <br />NSP <br />19.21 <br />0.00 <br />-7.81 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/10/17 <br />11.41 <br />13.59 <br />0.00 <br />-2.18 <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.5 <br />0.58 <br /><5.0 <br />0.44 <br />10/24/17 <br />NSP <br />16.03 <br />0.00 <br />-4.62 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/07/18 <br />INA <br />- <br />- <br />05/28/19 <br />INA <br />Unable to access <br />11/25/19 <br />INA <br />Unable to access <br />04/01/20 <br />INA <br />- <br />- <br />Unable to access <br />11/11/20 <br />NSP <br />16.27 <br />0.00 <br />-4.86 <br />05/10/21 <br />16.81 <br />0.00 <br />-5.40 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br />0.84 <br />11/23/21 <br />NS <br />1 <br />16.18 <br />0.00 <br />-4.77 <br />1 - <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 49 of 116 Stantec <br />