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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 />MW -19-12C 10/15/09 <br />9.88 <br />- <br />- <br />- <br /><50 <br />170 N <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 />- <br />- <br />- <br />05/24/10 <br />19.51 <br />0.00 <br />-9.63 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/25/10 <br />- <br />- <br />- <br /><50 <br />84 N <br />0.83 <br />1.9 <br /><1.0 <br />1.7 <br /><1.0 <br /><10 <br />10/04/10 <br />12.29 <br />21.08 <br />0.00 <br />-8.79 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/13/10 <br />- <br />- <br />- <br /><50 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.55 <br />04/04/11 <br />18.46 <br />0.00 <br />-6.17 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />3.55 <br />D Zone <br />04/05/11 <br />- <br />- <br />- <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.61 <br /><5.0 <br />- <br />D Zone <br />10/07/11 <br />NSP <br />19.35 <br />0.00 <br />-7.06 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/09/12 <br />19.60 <br />0.00 <br />-7.31 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.82 <br /><5.0 <br />0.72 <br />10/16/12 <br />19.77 <br />0.00 <br />-7.48 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.66 <br />10/19/12 <br />- <br />- <br />- <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.84 <br /><5.0 <br />- <br />04/22/13 <br />18.06 <br />0.00 <br />-5.77 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.46 <br />04/25/13 <br />- <br />- <br />- <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.2 <br /><5.0 <br />- <br />10/14/13 <br />NSP <br />19.55 <br />0.00 <br />-7.26 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/22/14 <br />18.91 <br />0.00 <br />-6.62 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.5 <br /><5.0 <br />0.52 <br />10/20/14 <br />NSP <br />18.90 <br />0.00 <br />-6.61 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/27/15 <br />19.29 <br />0.00 <br />-7.00 <br /><50.0 <br />1.1 <br />0.52 <br /><0.50 <br /><1.0 <br />2.7 <br />11 <br />0.89 <br />10/19/15 <br />NSP <br />20.91 <br />0.00 <br />-8.62 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/11/16 <br />19.09 <br />0.00 <br />-6.80 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.20 <br />04/14/16 <br />- <br />- <br />- <br /><50.0 <br />0.57 <br /><0.50 <br /><0.50 <br /><1.5 <br />3.0 <br /><5.0 <br />- <br />12/12/16 <br />NSP <br />21.85 <br />0.00 <br />-9.56 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/10/17 <br />12.29 <br />14.75 <br />0.00 <br />-2.47 <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 />3.8 <br /><5.0 <br />0.65 <br />10/24/17 <br />NSP <br />17.37 <br />0.00 <br />-5.09 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/07/18 <br />16.10 <br />0.00 <br />-3.82 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br />6.1 <br />12 <br />0.26 <br />05/28/19 <br />14.63 <br />0.00 <br />-2.35 <br /><100 <br /><1.00 <br /><1.00 <br /><1.00 <br /><1.00 <br />9.7 <br />15 <br />0.96 <br />11/25/19 <br />NSP <br />16.57 <br />0.00 <br />-4.29 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/01/20 <br />15.87 <br />0.00 <br />-3.59 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br />8.4 <br />9.7 <br />0.58 <br />11/09/20 <br />NSP <br />17.57 <br />0.00 <br />-5.29 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/07/21 <br />16.59 <br />0.00 <br />-4.31 <br /><100 <br /><0.5 <br /><0.5 <br />0.52 <br /><1.5 <br />14 <br />10 <br />1 <br />11/22/21 <br />NS <br />17.29 <br />0.00 <br />-5.01 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/09/22 <br />16.48 <br />0.00 <br />-4.20 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br />23 <br />12 <br />0.18 <br />11/23/22 <br />ODOR, NS <br />18.71 <br />0.00 <br />-6.43 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />MW -20-83.t 11/08/07 <br />INA <br />9.67 <br />- <br />- <br />11/20/07 <br />22.29 <br />0.00 <br />-12.62 <br />11/21/07 <br />23.89 <br />0.00 <br />-14.22 <br />11/30/07 <br />22.26 <br />0.00 <br />-12.59 <br />210 N <br />260 N <br />110 <br />0.45 k <br />0.26 <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 />02/04/08 <br />21.25 <br />0.00 <br />-11.58 <br /><50 <br /><50 <br />2.0 <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 />05/05/08 <br />20.60 <br />0.00 <br />-10.93 <br /><50 <br /><50 <br /><0.50 <br /><1.0 <br /><1.0 <br /><1.0 <br />1.9 <br /><10 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br /><0.50 <br /><1.0 <br />08/04/08 <br />21.37 <br />0.00 <br />-11.70 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />08/05/08 <br />- <br />- <br />- <br />2,200 <br />140 N <br />690 <br />2.2 <br /><1.0 <br />4.2 <br />5.3 <br />30 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br /><0.50 <br /><1.0 <br />10/28/08 <br />22.35 <br />0.00 <br />-12.68 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/29/08 <br />- <br />- <br />- <br />2,600 <br />320 N <br />1,200 <br /><10 <br /><10 <br /><10 <br /><10 <br /><100 <br /><20 <br /><20 <br /><20 <br /><1,000 <br /><5.0 <br /><10 <br />01/27/09 <br />INA <br />04/27/09 <br />INA <br />10/14/09 <br />INA <br />Stockton -charter way_comingles_plume_4g22.xlsm Page 100 of 116 Stantec <br />