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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-8C 04/28/15 <br />12.75 <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 />1.6 <br />- <br />10/19/15 <br />21.42 <br />0.00 <br />-8.67 <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.0 <br /><0.50 <br /><5.0 <br />1.1 <br />0.36 <br />04/11/16 <br />19.20 <br />0.00 <br />-6.45 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.62 <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 />1.2 <br />- <br />12/12/16 <br />20.68 <br />0.00 <br />-7.93 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />2.51 <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 />1.3 <br />- <br />04/10/17 <br />12.60 <br />15.00 <br />0.00 <br />-2.40 <br />- <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 /><0.50 <br />0.23 <br />10/24/17 <br />17.60 <br />0.00 <br />-5.00 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.26 <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 />16.63 <br />0.00 <br />-4.03 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.71 <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 />1.5 <br />- <br />05/28/19 <br />14.64 <br />0.00 <br />-2.04 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.32 <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 />1.8 <br />- <br />11/25/19 <br />16.78 <br />0.00 <br />-4.18 <br />- <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 />15.90 <br />0.00 <br />-3.30 <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 />1.6 <br />0.29 <br />11/12/20 <br />16.77 <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 />1.6 <br />0.47 <br />05/07/21 <br />16.88 <br />0.00 <br />-4.28 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br /><0.5 <br />1.21 <br />11/24/21 <br />17.53 <br />0.00 <br />-4.93 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br />1.0 <br />0.25 <br />05/06/22 <br />16.67 <br />0.00 <br />-4.07 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br /><0.500 <br />1.7 <br />12/14/22 <br />17.87 <br />0.00 <br />-5.27 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br /><0.500 <br />0 <br />AMW-9 08/07/06 <br />- <br />17.06 <br />0.00 <br />- <br />1,400 <br />82 <br /><0.50 <br />14 <br />0.77 <br />15 <br />31 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br /><0.50 <br />1.5 <br />10/30/06 <br />9.30 <br />17.72 <br />0.00 <br />-8.42 <br />300 <br />0.98 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.79 <br /><20 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br /><0.50 <br />1.3 <br />01/29/07 <br />18.62 <br />0.00 <br />-9.32 <br />290 <br />6.6 <br /><0.50 <br /><0.50 <br />1.4 <br /><0.50 <br /><20 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br /><0.50 <br />1.3 <br />05/07/07 <br />17.57 <br />0.00 <br />-8.27 <br />170 <br />6.0 <br /><0.50 <br /><0.50 <br />0.51 <br /><0.50 <br /><20 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br /><0.50 <br />0.8 <br />08/06/07 <br />18.90 <br />0.00 <br />-9.60 <br />66 <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 />5.9 <br />11/01/07 <br />19.79 <br />0.00 <br />-10.49 <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 />1.2 <br />02/04/08 <br />18.15 <br />0.00 <br />-8.85 <br />100 <br />0.66 <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 />3.9 <br />05/05/08 <br />18.08 <br />0.00 <br />-8.78 <br />5,900 <br />100 <br />12 <br />140 <br />320 <br />0.83 <br /><10 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br /><0.50 <br />8.8 <br />08/04/08 <br />18.88 <br />0.00 <br />-9.58 <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 />8.4 <br />10/23/08 <br />19.85 <br />0.00 <br />-10.55 <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 />0.1 <br />01/27/09 <br />20.28 <br />0.00 <br />-10.98 <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 />1.5 <br />04/27/09 <br />19.05 <br />0.00 <br />-9.75 <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 />2.7 <br />07/22/09 <br />18.97 <br />0.00 <br />-9.67 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />17.4 <br />07/23/09 <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 />- <br />02/18/10 <br />19.15 <br />0.00 <br />-9.85 <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 />0.7 <br />05/24/10 NSP <br />17.81 <br />0.00 <br />-8.51 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.8 <br />10/04/10 <br />11.09 <br />18.50 <br />0.00 <br />-7.41 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/15/10 <br />- <br />- <br />- <br /><50 <br />0.85 <br />1.7 <br /><0.50 <br />0.99 <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 />16.48 <br />0.00 <br />-5.39 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.28 <br />A Zone <br />04/05/11 <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 />17.15 <br />0.00 <br />-6.06 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.69 <br />10/05/11 <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 />1 <br />17.20 <br />0.00 <br />-6.11 <br />1 - <br />- <br />- <br />- <br />- <br />- <br />- <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 25 of 116 Stantec <br />