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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-8C 11/03/03 <br />9.01 <br />23.38 <br />0.00 <br />-14.37 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.69 <br /><20 <br /><1.0 <br /><1.0 <br /><1.0 <br /><100 <br /><0.50 <br />1.0 <br />02/09/04 <br />23.14 <br />0.00 <br />-14.13 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.68 <br /><20 <br /><1.0 <br /><1.0 <br /><1.0 <br /><100 <br /><0.50 <br />1.3 <br />05/10/04 <br />22.14 <br />0.00 <br />-13.13 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.65 <br /><20 <br /><1.0 <br /><1.0 <br /><1.0 <br /><100 <br /><0.50 <br />2.0 <br />08/09/04 <br />23.40 <br />0.00 <br />-14.39 <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 /><100 <br /><0.50 <br />5.3 <br />11/15/04 <br />24.21 <br />0.00 <br />-15.20 <br />59 J <br />3.9 J <br /><0.50 <br />1.2 J <br />1.1 J <br /><0.50 <br /><20 <br /><1.0 <br /><1.0 <br /><1.0 <br /><100 <br /><0.50 <br />1.0 <br />02/08/05 <br />22.87 <br />0.00 <br />-13.86 <br /><50 <br />3.5 <br /><0.50 <br />0.80 <br /><0.50 <br /><0.50 <br /><20 <br /><1.0 <br /><1.0 <br /><1.0 <br /><100 <br /><0.50 <br />0.6 <br />05/09/05 <br />20.68 <br />0.00 <br />-11.67 <br />94 <br />34 <br /><0.50 <br />5.0 <br />1.5 <br /><0.50 <br /><20 <br /><1.0 <br /><1.0 <br /><1.0 <br /><100 <br />0.54 <br />1.3 <br />08/17/05 <br />21.49 <br />0.00 <br />-12.48 <br /><50 <br /><0.50 <br />0.61 <br /><0.50 <br /><0.50 <br /><0.50 <br /><20 <br /><0.50 <br /><0.50 <br /><0.50 <br /><100 <br /><0.50 <br />0.3 <br />11/17/05 <br />NS <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />02/06/06 <br />NS <br />05/08/06 <br />NS <br />08/07/06 <br />20.05 <br />0.00 <br />-11.04 <br />140 <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 />2.2 <br />10/30/06 <br />10.99 <br />22.00 <br />0.00 <br />-11.01 <br />54 <br />0.90 <br /><0.50 <br /><0.50 <br />0.74 <br /><0.50 <br /><20 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br />0.78 <br />3.1 <br />01/29/07 <br />22.09 <br />0.00 <br />-11.10 <br /><50 <br />2.8 <br /><0.50 <br />3.0 <br />3.4 <br /><0.50 <br /><20 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br />0.89 <br />1.1 <br />05/07/07 <br />21.65 <br />0.00 <br />-10.66 <br /><50 <br />2.2 <br /><0.50 <br />1.9 <br />0.75 <br /><0.50 <br /><20 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br />0.80 <br />0.2 <br />08/06/07 <br />22.35 <br />0.00 <br />-11.36 <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 />0.88 <br />1.6 <br />11/01/07 <br />22.43 <br />0.00 <br />-11.44 <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 />0.92 <br />1.4 <br />02/04/08 <br />21.35 <br />0.00 <br />-10.36 <br />390 <br />11 <br />27 <br />6.4 <br />14 <br /><0.50 <br /><10 <br /><0.50 <br /><0.50 <br /><0.50 <br /><100 <br />1.5 <br />1.0 <br />05/05/08 <br />20.95 <br />0.00 <br />-9.96 <br />200 <br />60 <br />7.9 <br />5.2 <br />4.0 <br /><0.50 <br /><10 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br /><0.50 <br />3.1 <br />08/04/08 <br />21.71 <br />0.00 <br />-10.72 <br />220 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><20 <br /><1.0 <br /><1.0 <br /><1.0 <br /><600 <br />1.3 <br />- <br />10/23/08 <br />22.60 <br />0.00 <br />-11.61 <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 />1.1 <br />0.9 <br />01/27/09 <br />22.50 <br />0.00 <br />-11.51 <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 />1.1 <br />2.0 <br />04/27/09 <br />21.40 <br />0.00 <br />-10.41 <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 />0.69 <br />1.4 <br />07/22/09 <br />21.82 <br />0.00 <br />-10.83 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10.0 <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 />0.79 <br />- <br />02/18/10 <br />21.59 <br />0.00 <br />-10.60 <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 />0.86 <br /><0.50 <br /><10 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br />0.74 <br />- <br />05/24/10 <br />NSP <br />20.21 <br />0.00 <br />-9.22 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.9 <br />10/04/10 <br />12.75 <br />21.24 <br />0.00 <br />-8.49 <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 />1.0 <br />- <br />04/04/11 <br />18.61 <br />0.00 <br />-5.86 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.27 <br />D 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 />0.90 <br />- <br />D Zone <br />10/03/11 <br />19.33 <br />0.00 <br />-6.58 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.73 <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 />19.10 <br />0.00 <br />-6.35 <br />- <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 />1.2 <br />2.22 <br />10/16/12 <br />19.82 <br />0.00 <br />-7.07 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.83 <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 />18.12 <br />0.00 <br />-5.37 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.87 <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 />1.3 <br />- <br />10/14/13 <br />19.68 <br />0.00 <br />-6.93 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.38 <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 />7.0 <br />1.2 <br />- <br />04/22/14 <br />19.80 <br />0.00 <br />-7.05 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />1.5 <br />0.33 <br />10/20/14 <br />20.90 <br />0.00 <br />-8.15 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.75 <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 />1.2 <br />- <br />04/27/15 <br />1 <br />19.61 <br />0.00 <br />-6.86 <br />1 - <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.40 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 24 of 116 Stantec <br />