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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 106 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 />DCA <br />(p9/L) <br />(m9/L) <br />Comments <br />(ft -MSL) <br />(lig/ <br />(feet) <br />(feet) <br />(ft -MSL) <br />SMW-25A 07/27/15 <br />12.10 <br />20.35 <br />0.00 <br />-8.25 <br />200 <br />2.9 <br />3.6 <br /><0.50 <br />1.5 <br /><0.50 <br /><5.0 <br /><0.50 <br />0.36 <br />10/19/15 <br />20.63 <br />0.00 <br />-8.53 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.24 <br />10/21/15 <br />- <br />- <br />- <br />63 <br />2.0 <br /><0.50 <br /><0.50 <br /><1.0 <br /><0.50 <br /><5.0 <br /><0.50 <br />- <br />04/11/16 <br />18.67 <br />0.00 <br />-6.57 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.16 <br />04/14/16 <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 /><0.50 <br />- <br />12/12/16 <br />19.92 <br />0.00 <br />-7.82 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.36 <br />12/14/16 <br />- <br />- <br />- <br />680 <br />0.90 <br />0.98 <br /><0.50 <br />2.3 <br /><0.50 <br /><5.0 <br /><0.50 <br />- <br />04/10/17 <br />12.13 <br />14.17 <br />0.00 <br />-2.04 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/11/17 <br />- <br />- <br />- <br /><50.0 <br />0.96 <br /><0.50 <br /><0.50 <br /><1.5 <br /><0.50 <br /><5.0 <br /><0.50 <br />0.19 <br />10/24/17 <br />16.91 <br />0.00 <br />-4.78 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.2 <br />10/26/17 <br />- <br />- <br />- <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.5 <br /><0.50 <br /><10.0 <br /><0.50 <br />- <br />05/07/18 <br />15.54 <br />0.00 <br />-3.41 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.33 <br />05/08/18 <br />- <br />- <br />- <br />1,200 <br />560 <br />5.5 <br />1.3 <br />5.2 <br />8.7 <br />29 <br /><0.500 <br />- <br />05/28/19 <br />13.67 <br />0.00 <br />-1.54 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.65 <br />05/30/19 <br />- <br />- <br />- <br /><100 <br /><1.00 <br /><1.00 <br /><1.00 <br /><3.00 <br /><1.00 <br /><5.00 <br /><1.00 <br />- <br />11/25/19 <br />15.81 <br />0.00 <br />-3.68 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />2.76 <br />12/02/19 <br />- <br />- <br />- <br /><108 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><10.0 <br /><0.500 <br />- <br />04/01/20 <br />15.20 <br />0.00 <br />-3.07 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br /><0.5 <br />0.31 <br />11/12/20 <br />16.94 <br />0.00 <br />-4.81 <br />530 <br />3.8 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br /><0.5 <br />0.62 <br />05/05/21 <br />15.91 <br />0.00 <br />-3.78 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br /><0.5 <br />3.96 <br />11/30/21 <br />16.81 <br />0.00 <br />-4.68 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br /><0.5 <br />0.45 <br />05/05/22 <br />15.73 <br />0.00 <br />-3.60 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br /><0.500 <br />0.95 <br />11/29/22 <br />18.06 <br />0.00 <br />-5.93 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br /><0.500 <br />1.19 <br />SMW-25B 07/27/15 <br />12.09 <br />19.51 <br />0.00 <br />-7.42 <br />14,000 <br />280 <br />900 <br />260 <br />1,400 <br /><1.7 <br /><16.6 <br /><1.7 <br />0.35 <br />10/19/15 <br />20.94 <br />0.00 <br />-8.85 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.36 <br />10/21/15 <br />- <br />- <br />- <br />780 <br />30 <br />15 <br />3.5 <br />13 <br /><0.50 <br /><5.0 <br /><0.50 <br />- <br />04/14/16 <br />18.64 <br />0.00 <br />-6.55 <br />820 <br />1.7 <br />4.2 <br />2.6 <br />14 <br /><0.50 <br />21 <br /><0.50 <br />0.19 <br />12/12/16 <br />19.93 <br />0.00 <br />-7.84 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.81 <br />12/14/16 <br />- <br />- <br />- <br /><50.0 <0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.5 <br /><0.50 <br /><5.0 <br /><0.50 <br />- <br />04/11/17 <br />14.80 <br />0.00 <br />-2.71 <br />980 - <br />- <br />3.5 <br />2.4 <br />0.54 <br />8.6 <br /><0.50 <br /><50.0 <br /><0.50 <br />0.15 <br />10/24/17 <br />16.80 <br />0.00 <br />4.71 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.16 <br />10/26/17 <br />- <br />- <br />- <br />230 <br />2.7 <br />3.2 <br /><0.50 <br />4.3 <br /><0.50 <br /><10.0 <br /><0.50 <br />- <br />05/07/18 <br />15.81 <br />0.00 <br />-3.72 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.82 <br />05/08/18 <br />- <br />- <br />- <br />1,000 <br />370 <br />4.6 <br />1.0 <br />4.3 <br />8.6 <br /><50 <br /><0.500 <br />- <br />05/30/19 <br />14.11 <br />0.00 <br />-2.02 <br />2,000 <br /><5.00 <br /><5.00 <br /><5.00 <br /><15.0 <br /><5.00 <br /><25.0 <br /><5.00 <br />0.58 <br />12/02/19 <br />16.49 <br />0.00 <br />-4.40 <br />2,100 <br />13 <br />1.6 <br />2.8 <br />20 <br /><0.500 <br /><10.0 <br /><0.500 <br />0.65 <br />04/01/20 <br />15.70 <br />0.00 <br />-3.61 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/02/20 <br />- <br />- <br />- <br />3,100 <br />28 <br />2.4 <br />6.1 <br />32 <br /><0.5 <br /><5 <br /><0.5 <br />0.44 <br />11/12/20 <br />16.97 <br />0.00 <br />-4.88 <br />2,000 <br />17 <br />1.6 <br />3.3 <br />12 <br /><0.5 <br /><5 <br /><0.5 <br />0.27 <br />05/05/21 <br />16.63 <br />0.00 <br />-4.54 <br />2,400 <br />22 <br />2.1 <br />5.1 <br />12 <br /><0.5 <br /><5 <br /><0.5 <br />4.79 <br />11/30/21 <br />17.20 <br />0.00 <br />-5.11 <br />2,500 <br />58 <br />4.7 <br />7.2 <br />14 <br /><0.5 <br /><5 <br /><0.5 <br />0.4 <br />05/06/22 <br />16.41 <br />0.00 <br />-4.32 <br />2,300 <br />29 <br />3.0 <br />4.6 <br />8.2 <br /><0.500 <br /><5.00 <br /><0.500 <br />0.18 <br />11/30/22 <br />18.45 <br />0.00 <br />-6.36 <br />1,800 <br />16 <br />1.6 <br />1.5 <br />2.7 <br /><0.500 <br /><5.00 <br /><0.500 <br />1.9 <br />SMW-26A 07/27/15 <br />11.37 <br />19.30 <br />0.00 <br />-7.93 <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.0 <br /><0.50 <br /><5.0 <br /><0.50 <br />3.31 <br />10/19/15 <br />20.02 <br />0.00 <br />-8.65 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.33 <br />10/21/15 <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 /><0.50 <br />- <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 106 of 116 Stantec <br />