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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 />SMW-22-80 11/11/20 <br />11.94 <br />17.05 <br />0.00 <br />-5.11 <br />350 <br />0.51 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br />9.0 <br />0.56 <br />odor <br />05/07/21 <br />16.07 <br />0.00 <br />-4.13 <br />270 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br />7.4 <br />- <br />2.59 <br />12/01/21 <br />16.76 <br />0.00 <br />-4.82 <br />200 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br />6.0 <br /><0.5 <br />0.33 <br />05/06/22 <br />15.88 <br />0.00 <br />-3.94 <br />260 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br />7.0 <br />- <br />0.83 <br />11/28/22 <br />18.03 <br />0.00 <br />-6.09 <br />180 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br />0.77 <br />SMW-23 11/08/07 <br />INA <br />9.82 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />11/20/07 <br />22.08 <br />0.00 <br />-12.26 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />11/30/07 <br />21.96 <br />0.00 <br />-12.14 <br />1,600 N <br />650 N <br />430 <br />19 <br />110 <br />220 <br />15 <br /><50 <br /><10 <br /><10 <br /><10 <br /><500 <br /><2.5 <br /><5.0 <br />02/04/08 <br />21.00 <br />0.00 <br />-11.18 <br />92 <br /><50 <br />3.3 <br /><1.0 <br />1.9 <br />12 <br />2.8 <br />10 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br /><0.50 <br /><1.0 <br />05/05/08 <br />20.50 <br />0.00 <br />-10.68 <br />3,100 <br />310 N <br />1,900 <br /><25 <br /><25 <br /><25 <br /><25 <br /><250 <br /><50 <br /><50 <br /><50 <br /><2,500 <br /><12 <br /><25 <br />08/04/08 <br />20.97 <br />0.00 <br />-11.15 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />08/05/08 <br />- <br />- <br />- <br /><50 <br /><50 <br /><0.50 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><10 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br /><0.50 <br /><1.0 <br />10/28/08 <br />21.92 <br />0.00 <br />-12.10 <br /><50 <br /><50 <br /><0.50 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><10 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br /><0.50 <br /><1.0 <br />01/27/09 <br />INA <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/27/09 <br />INA <br />10/14/09 <br />INA <br />10/15/09 <br />22.05 <br />0.00 <br />-12.23 <br /><50 <br /><50 <br /><0.50 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><10 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br /><0.50 <br /><1.0 <br />05/24/10 <br />19.55 <br />0.00 <br />-9.73 <br /><50 <br /><50 <br /><0.50 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><10 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br /><0.50 <br /><1.0 <br />10/04/10 <br />12.23 <br />20.34 <br />0.00 <br />-8.11 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/14/10 <br />- <br />- <br />- <br /><50 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.92 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br />10/07/11 <br />NSP <br />11.13 <br />17.48 <br />0.00 <br />-6.35 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/09/12 <br />17.56 <br />0.00 <br />-6.43 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />3.15 <br />04/22/13 <br />12.23 <br />16.30 <br />0.00 <br />-4.07 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.57 <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 />NSP <br />17.61 <br />0.00 <br />-5.38 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/22/14 <br />17.34 <br />0.00 <br />-5.11 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />0.56 <br />10/20/14 <br />NSP <br />19.37 <br />0.00 <br />-7.14 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/27/15 <br />17.60 <br />0.00 <br />-5.37 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.14 <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 />NSP <br />19.60 <br />0.00 <br />-7.37 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/11/16 <br />17.64 <br />0.00 <br />-5.41 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />2.01 <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 />12/13/16 <br />NSP <br />19.00 <br />0.00 <br />-6.77 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/10/17 <br />11.03 <br />13.29 <br />0.00 <br />-2.27 <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 />0.84 <br />10/24/17 <br />NSP <br />15.36 <br />0.00 <br />-4.34 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/07/18 <br />14.42 <br />0.00 <br />-3.40 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.90 <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 />12.55 <br />0.00 <br />-1.53 <br /><100 <br /><1.00 <br /><1.00 <br /><1.00 <br /><3.00 <br /><1.00 <br /><5.00 <br />0.35 <br />11/25/19 <br />NSP <br />13.99 <br />0.00 <br />-2.97 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/01/20 <br />14.15 <br />0.00 <br />-3.13 <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 />1.19 <br />11/09/20 <br />NSP <br />15.67 <br />0.00 <br />-4.65 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/05/21 <br />14.85 <br />0.00 <br />-3.83 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br />5.87 <br />12/01/21 <br />NS <br />15.71 <br />0.00 <br />-4.69 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/04/22 <br />1 <br />15.02 <br />0.00 <br />-4.00 <br />1 <100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br />1.49 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 104 of 116 Stantec <br />