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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 />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-9 04/11/12 <br />11.09 <br />- <br />- <br />- <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />1.23 <br />10/16/12 <br />16.00 <br />0.00 <br />-4.91 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.74 <br />10/19/12 <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 />15.61 <br />0.00 <br />-4.52 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.41 <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 />17.48 <br />0.00 <br />-6.39 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.33 <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 />17.09 <br />0.00 <br />-6.00 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />0.40 <br />10/20/14 <br />18.84 <br />0.00 <br />-7.75 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.30 <br />10/23/14 <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 />17.39 <br />0.00 <br />-6.30 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.39 <br />04/28/15 <br />- <br />- <br />- <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.0 <br /><0.50 <br /><5.0 <br />- <br />10/19/15 <br />19.45 <br />0.00 <br />-8.36 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.40 <br />10/22/15 <br />- <br />- <br />- <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.0 <br /><0.50 <br /><5.0 <br />- <br />04/11/16 <br />17.39 <br />0.00 <br />-6.30 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.31 <br />04/13/16 <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 />12/12/16 <br />17.99 <br />0.00 <br />-6.90 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />3.20 <br />12/14/16 <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 />11.06 <br />12.98 <br />0.00 <br />-1.92 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/12/17 <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 />1.15 <br />10/24/17 <br />15.48 <br />0.00 <br />-4.42 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1 <br />10/27/17 <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 />14.41 <br />0.00 <br />-3.35 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.01 <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 />12.46 <br />0.00 <br />-1.40 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.36 <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 />14.64 <br />0.00 <br />-3.58 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.99 <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 />- <br />04/01/20 <br />13.91 <br />0.00 <br />-2.85 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />Odor <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 />1.69 <br />11/12/20 <br />15.52 <br />0.00 <br />-4.46 <br /><100 <br /><0.5 <br /><0.5 <br />0.52 <br /><1.5 <br /><0.5 <br /><5 <br />0.56 <br />05/05/21 <br />14.94 <br />0.00 <br />-3.88 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br />1.46 <br />12/03/21 <br />15.54 <br />0.00 <br />-4.48 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br /><0.5 <br />0.34 <br />05/06/22 <br />14.87 <br />0.00 <br />-3.81 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br />- <br />1.44 <br />12/14/22 <br />16.69 <br />0.00 <br />-5.63 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br />- <br />0.37 <br />AMW-10 08/07/06 <br />19.91 <br />0.00 <br />- <br />140 <br />0.61 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><20 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br /><0.50 <br />3.4 <br />10/30/06 <br />20.46 <br />0.00 <br /><50 <br /><0.50 <br /><0.50 <br />0.55 <br /><0.50 <br /><0.50 <br /><20 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br /><0.50 <br />4.1 <br />01/29/07 <br />20.80 <br />0.00 <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 /><300 <br /><0.50 <br />3.1 <br />05/07/07 <br />20.14 <br />0.00 <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 /><300 <br /><0.50 <br />0.1 <br />08/06/07 <br />20.85 <br />0.00 <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 /><300 <br /><0.50 <br />4.0 <br />11/01/07 <br />21.39 <br />0.00 <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 /><300 <br /><0.50 <br />3.8 <br />02/04/08 <br />19.93 <br />0.00 <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 /><100 <br /><0.50 <br />3.1 <br />05/05/08 <br />19.90 <br />0.00 <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 />13.7 <br />08/04/08 <br />20.65 <br />0.00 <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 />4.8 <br />10/23/08 <br />21.07 <br />0.00 <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 />2.8 <br />01/27/09 <br />21.23 <br />0.00 <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 />1.1 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 26 of 116 Stantec <br />