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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 />stockton_charter_ way_comingles_plume_4g22.xlsm Page 75 of 116 Stantec <br />Depth <br />Measured <br />Calc. <br />TOC <br />Motor <br />1'2 <br />to <br />SPH <br />GW <br />TPHg <br />TPHd <br />B <br />T <br />E <br />X <br />MTBE <br />TBA <br />DIPE <br />ETBE <br />TAME <br />Ethanol <br />McOH <br />EDB <br />D.O. <br />Well No. <br />Date <br />Notes <br />Elevation <br />Water <br />Thickness <br />Elev. <br />(p9/L) <br />(p9/L) <br />Oil <br />(p9/L) <br />(p9/L) <br />(p9/L) <br />(p9/L) <br />(p9/L) <br />(p9/L) <br />(p9/L) <br />(p9/L) <br />(p9/L) <br />(p9/L) <br />(p9/L) <br />DCA <br />(p9/L) <br />(m9/L) <br />Comments <br />(ft -MSL) <br />(N9/L) <br />(p9/L) <br />(feet) <br />(feet) <br />(ft -MSL) <br />SMW-8 08/04/08 <br />INA <br />8.54 <br />- <br />- <br />- <br />- <br />09/03/08 <br />19.86 <br />0.00 <br />-11.32 <br /><50 <br />91 <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 />INA <br />20.53 <br />0.00 <br />-11.99 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />01/27/09 <br />20.52 <br />0.00 <br />-11.98 <br />110 <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 />04/27/09 <br />19.22 <br />0.00 <br />-10.68 <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 />10/14/09 <br />20.65 <br />0.00 <br />-12.11 <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 />18.04 <br />0.00 <br />-9.50 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/25/10 <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 />10/04/10 <br />10.92 <br />19.05 <br />0.00 <br />-8.13 <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 /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br />04/04/11 <br />16.80 <br />0.00 <br />-5.88 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.41 <br />B 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 />B Zone <br />10/03/11 <br />NSP <br />17.18 <br />0.00 <br />-6.26 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/09/12 <br />17.20 <br />0.00 <br />-6.28 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />2.20 <br />10/16/12 <br />17.48 <br />0.00 <br />-6.56 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />0.32 <br />04/22/13 <br />16.12 <br />0.00 <br />-5.20 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />6.29 <br />10/14/13 <br />NSP <br />17.54 <br />0.00 <br />-6.62 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/22/14 <br />17.10 <br />0.00 <br />-6.18 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />4.59 <br />10/20/14 <br />NSP <br />21.17 <br />0.00 <br />-10.25 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/27/15 <br />17.49 <br />0.00 <br />-6.57 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.90 <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 />19.47 <br />0.00 <br />-8.55 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/11/16 <br />17.29 <br />0.00 <br />-6.37 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />3.57 <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 />- <br />12/12/16 <br />NSP <br />18.79 <br />0.00 <br />-7.87 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/10/17 <br />10.93 <br />12.93 <br />0.00 <br />-2.00 <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.5 <br /><0.50 <br /><5.0 <br />0.12 <br />10/24/17 <br />NSP <br />15.45 <br />0.00 <br />-4.52 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/07/18 <br />14.38 <br />0.00 <br />-3.45 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><10.0 <br />0.62 <br />05/28/19 <br />NS <br />12.58 <br />0.00 <br />-1.65 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />11/25/19 <br />NSP <br />14.68 <br />0.00 <br />-3.75 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/02/20 <br />14.30 <br />0.00 <br />-3.37 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br />0.67 <br />11/09/20 <br />INA, NSP <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/07/21 <br />INA, NS <br />- <br />- <br />11/22/21 <br />NS <br />15.95 <br />0.00 <br />-5.02 <br />05/05/22 <br />INA, NS <br />- <br />- <br />11/23/22 <br />INA, NS <br />- <br />- <br />SMW-8-50 07/22/09 <br />8.54 <br />19.71 <br />0.00 <br />-11.17 <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 /><0.50 <br /><0.50 <br />13.6 <br />10/14/09 <br />20.65 <br />0.00 <br />-12.11 <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 /><0.50 <br /><0.50 <br />- <br />10/14/09 <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 /><0.50 <br /><0.50 <br />- <br />01/12/10 <br />20.35 <br />0.00 <br />-11.81 <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 /><0.50 <br /><0.50 <br />2.5 <br />SMW-9 05/10/91 <br />9.99 <br />39.23 <br />0.00 <br />-29.24 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />02/05/92 <br />40.68 <br />0.00 <br />-30.69 <br />95,000 <br />12,000 <br />2,800 <br />1,700 <br />3,700 <br />05/15/92 <br />39.95 <br />0.00 <br />-29.96 <br />27,000 <br />9,500 <br />2,900 <br />1,200 <br />3,900 <br />10/15/92 <br />42.57 <br />0.00 <br />-32.58 <br />- <br />- <br />- <br />- <br />- <br />12/17/92 <br />42.41 <br />0.00 <br />-32.42 <br />75,000 <br />15,000 <br />4,700 <br />1,900 <br />4,700 <br />03/18/93 <br />39.92 <br />0.00 <br />-29.93 <br />54,000 <br />9,900 <br />1,000 <br />1,300 <br />1,300 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 75 of 116 Stantec <br />