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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 />(N9/L) <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 />(p9/L) <br />EDB <br />(p9/L) <br />D.O. <br />(m9/L) <br />Comments <br />AMW-8 07/23/09 <br />11.12 <br />- <br />- <br />- <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><10 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br /><0.50 <br />02/18/10 <br />20.66 <br />0.00 <br />-9.54 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.6 <br />02/19/10 <br />- <br />- <br />- <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.67 <br /><0.50 <br /><10 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br /><0.50 <br />- <br />05/24/10 NSP <br />19.43 <br />0.00 <br />-8.31 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />2.3 <br />10/04/10 <br />12.93 <br />21.30 <br />0.00 <br />-8.37 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/14/10 <br />- <br />- <br />- <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br />- <br />04/04/11 <br />18.18 <br />0.00 <br />-5.25 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.23 <br />A Zone <br />04/06/11 <br />- <br />- <br />- <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />- <br />A Zone <br />10/03/11 <br />18.69 <br />0.00 <br />-5.76 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.44 <br />10/04/11 <br />- <br />- <br />- <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />- <br />04/09/12 <br />18.85 <br />0.00 <br />-5.92 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/10/12 <br />- <br />- <br />- <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />1.69 <br />10/16/12 <br />19.18 <br />0.00 <br />-6.25 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.96 <br />10/17/12 <br />- <br />- <br />- <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />- <br />04/22/13 <br />17.74 <br />0.00 <br />-4.81 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.80 <br />04/23/13 <br />- <br />- <br />- <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />- <br />10/14/13 <br />18.99 <br />0.00 <br />-6.06 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.86 <br />10/15/13 <br />- <br />- <br />- <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />- <br />04/22/14 <br />18.58 <br />0.00 <br />-5.65 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />0.51 <br />10/20/14 <br />20.21 <br />0.00 <br />-7.28 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.35 <br />10/22/14 <br />- <br />- <br />- <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />- <br />04/27/15 <br />18.89 <br />0.00 <br />-5.96 <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.0 <br /><0.50 <br /><5.0 <br />2.43 <br />10/19/15 <br />20.89 <br />0.00 <br />-7.96 <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.0 <br /><0.50 <br /><5.0 <br />0.75 <br />04/11/16 <br />18.92 <br />0.00 <br />-5.99 <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 />20.21 <br />0.00 <br />-7.28 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.56 <br />12/13/16 <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 />04/10/17 <br />12.73 <br />14.54 <br />0.00 <br />-1.81 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/11/17 <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 />3.38 <br />10/24/17 <br />17.11 <br />0.00 <br />-4.38 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />3.89 <br />10/26/17 <br />- <br />- <br />- <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.5 <br /><0.50 <br /><10.0 <br />- <br />05/07/18 <br />16.22 <br />0.00 <br />-3.49 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.55 <br />05/08/18 <br />- <br />- <br />- <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><10.0 <br />- <br />05/28/19 <br />15.48 <br />0.00 <br />-2.75 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.48 <br />05/29/19 <br />- <br />- <br />- <br /><100 <br /><1.00 <br /><1.00 <br /><1.00 <br /><3.00 <br /><1.00 <br /><5.00 <br />- <br />11/25/19 <br />16.03 <br />0.00 <br />-3.30 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.63 <br />11/26/19 <br />- <br />- <br />- <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><10.0 <br /><0.500 <br />- <br />04/01 /20 <br />15.94 <br />0.00 <br />-3.21 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <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 />0.35 <br />11/11/20 <br />17.02 <br />0.00 <br />-4.29 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br />1.04 <br />05/07/21 <br />16.90 <br />0.00 <br />-4.17 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br />1 <br />11/24/21 <br />17.17 <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 <br />0.3 <br />05/06/22 <br />16.41 <br />0.00 <br />-3.68 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br />0.34 <br />12/14/22 <br />1 <br />18.30 <br />0.00 <br />-5.57 <br />1 <100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br />- <br />0.34 <br />AMW-8B 08/30/00 <br />9.61 <br />1 <br />20.27 <br />0.00 <br />-10.66 <br />1,100 <br />430 <br />50 <br />110 <br />110 <br /><2.0 <br /><200 <br /><2.0 <br /><2.0 <br /><2.0 <br />3.8 <br />- <br />11/21/00 <br />20.88 <br />0.00 <br />-11.27 <br />1 924 N <br />240 <br />23 <br />53 <br />11 <br /><2.0 <br /><200 <br /><2.0 <br /><2.0 <br /><2.0 <br />3.8 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 21 of 116 Stantec <br />