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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-10 04/27/09 <br />20.41 <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 />3.7 <br />07/22/09 <br />20.41 <br />0.00 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />15.3 <br />07/23/09 <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 />20.56 <br />0.00 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.66 <br /><0.50 <br /><10 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br /><0.50 <br />3.3 <br />05/24/10 <br />NSP <br />19.21 <br />0.00 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />3.3 <br />10/04/10 <br />12.17 <br />19.73 <br />0.00 <br />-7.56 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/15/10 <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 /><0.50 <br />- <br />04/04/11 <br />NS <br />17.68 <br />0.00 <br />-5.51 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.18 <br />A Zone, redundant <br />10/16/12 <br />NSP <br />18.50 <br />0.00 <br />-6.33 <br />04/23/13 <br />NSP <br />17.31 <br />0.00 <br />-5.14 <br />10/14/13 <br />NSP <br />18.79 <br />0.00 <br />-6.62 <br />04/22/14 <br />NSP <br />18.34 <br />0.00 <br />-6.17 <br />10/20/14 <br />NSP <br />20.17 <br />0.00 <br />-8.00 <br />04/27/15 <br />NSP <br />18.67 <br />0.00 <br />-6.50 <br />07/09/15 <br />DEST <br />- <br />- <br />AMW-11 08/07/06 <br />20.86 <br />0.00 <br />- <br />220 <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 />0.6 <br />10/30/06 <br />11.65 <br />20.83 <br />0.00 <br />-9.18 <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 />1.6 <br />01/29/07 <br />21.00 <br />0.00 <br />-9.35 <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 />3.6 <br />05/07/07 <br />20.84 <br />0.00 <br />-9.19 <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 />0.2 <br />08/06/07 <br />21.95 <br />0.00 <br />-10.30 <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 />6.0 <br />11/01/07 <br />22.57 <br />0.00 <br />-10.92 <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 />0.64 <br /><300 <br /><0.50 <br />2.4 <br />02/04/08 <br />21.04 <br />0.00 <br />-9.39 <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 />6.0 <br />05/05/08 <br />21.03 <br />0.00 <br />-9.38 <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 />5.0 <br />08/04/08 <br />21.91 <br />0.00 <br />-10.26 <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 />4.4 <br />10/23/08 <br />22.87 <br />0.00 <br />-11.22 <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 />3.6 <br />01/27/09 <br />22.95 <br />0.00 <br />-11.30 <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 />1.2 <br />04/27/09 <br />21.76 <br />0.00 <br />-10.11 <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 />2.5 <br />07/22/09 <br />21.92 <br />0.00 <br />-10.27 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />11.4 <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 />21.35 <br />0.00 <br />-9.70 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.65 <br /><0.50 <br /><10 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br /><0.50 <br />1.2 <br />05/24/10 <br />NSP <br />20.21 <br />0.00 <br />-8.56 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />3.2 <br />10/04/10 <br />13.55 <br />20.96 <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 /><0.50 <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 /><0.50 <br />- <br />04/04/11 <br />18.72 <br />0.00 <br />-5.17 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.31 <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 />19.76 <br />0.00 <br />-6.21 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />3.03 <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 />19.87 <br />0.00 <br />-6.32 <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 />1.36 <br />10/16/12 <br />19.48 <br />0.00 <br />-5.93 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.04 <br />10/18/12 <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 />04/23/13 <br />18.51 <br />0.00 <br />-4.96 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />4.00 <br />10/14/13 <br />20.08 <br />0.00 <br />-6.53 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />4.31 <br />10/16/13 <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 />19.64 <br />0.00 <br />-6.09 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />7.71 <br />04/23/14 <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 />stockton_charter_ way_comingles_plume_4g22.xlsm Page 27 of 116 Stantec <br />