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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-1C 07/23/09 <br />9.97 <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 <0.50 <0.50 <300 <br />1.5 <br />02/18/10 <br />20.64 <br />0.00 <br />-10.67 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- - - - <br />- <br />0.2 <br />02/19/10 <br />- <br />- <br />- <br /><50 <br />6.3 <br /><0.50 <br />1.7 <br />1.1 <br /><0.50 <br /><10 <br /><0.50 <0.50 <0.50 <300 <br />1.5 <br />- <br />05/24/10 <br />19.25 <br />0.00 <br />-9.28 <br />66 <br />6.9 <br /><0.50 <br />1.5 <br />1.7 <br /><0.50 <br /><10 <br /><0.50 <0.50 <0.50 <300 <br />0.77 <0.50 <br />0.6 <br />Hydrocarbon odor <br />10/04/10 <br />11.70 <br />20.21 <br />0.00 <br />-8.51 <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 <0.50 <0.50 <5.0 <br />1.6 <br />- <br />04/04/11 <br />17.27 <br />0.00 <br />-5.57 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- - - - <br />- <br />0.29 <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 /><0.50 <br /><5.0 <br />1.7 <br />- <br />D Zone <br />10/03/11 <br />18.30 <br />0.00 <br />-6.60 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.64 <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 />2.2 <br />- <br />04/09/12 <br />18.25 <br />0.00 <br />-6.55 <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 />2.3 <br />0.90 <br />10/16/12 <br />18.82 <br />0.00 <br />-7.12 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.63 <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 />8.1 <br />2.0 <br />- <br />04/24/13 <br />17.20 <br />0.00 <br />-5.50 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />2.2 <br />0.53 <br />10/14/13 <br />18.64 <br />0.00 <br />-6.94 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.96 <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 /><5.0 <br />2.3 <br />- <br />04/22/14 <br />18.34 <br />0.00 <br />-6.64 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />3.82 <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 />1.6 <br />- <br />10/20/14 <br />19.91 <br />0.00 <br />-8.21 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.41 <br />10/23/14 <br />- <br />- <br />- <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />1.2 <br />- <br />04/27/15 <br />18.45 <br />0.00 <br />-6.75 <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.0 <br /><0.50 <br /><5.0 <br />1.5 <br />1.67 <br />10/19/15 <br />20.44 <br />0.00 <br />-8.74 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.22 <br />10/20/15 <br />- <br />- <br />- <br /><50.0 <br />1.6 <br /><0.50 <br /><0.50 <br /><1.0 <br /><0.50 <br /><5.0 <br />1.1 <br />- <br />04/11/16 <br />18.24 <br />0.00 <br />-6.54 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.16 <br />04/13/16 <br />- <br />- <br />- <br /><50.0 <br />2.8 <br /><0.50 <br /><0.50 <br /><1.5 <br />0.51 <br /><5.0 <br /><0.50 <br />- <br />12/15/16 <br />19.52 <br />0.00 <br />-7.82 <br /><50.0 <br />1.9 <br /><0.50 <br /><0.50 <br /><1.5 <br />0.59 <br /><5.0 <br />1.0 <br />0.23 <br />04/10/17 <br />11.58 <br />13.71 <br />0.00 <br />-2.13 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/12/17 <br />- <br />- <br />- <br /><50.0 <br />2.5 <br /><0.50 <br /><0.50 <br /><1.5 <br /><0.50 <br />12 <br /><0.50 <br />0.08 <br />10/25/17 <br />16.41 <br />0.00 <br />-4.83 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.87 <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 />- <br />05/07/18 <br />15.21 <br />0.00 <br />-3.63 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.26 <br />05/08/18 <br />- <br />- <br />- <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><10.0 <br /><0.500 <br />- <br />05/28/19 <br />13.51 <br />0.00 <br />-1.93 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.87 <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 />5.1 <br /><1.00 <br />- <br />11/25/19 <br />15.69 <br />0.00 <br />-4.11 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.89 <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 />14.86 <br />0.00 <br />-3.28 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br /><0.5 <br />0.18 <br />11/10/20 <br />16.67 <br />0.00 <br />-5.09 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br /><0.5 <br />0.76 <br />05/11/21 <br />16.02 <br />0.00 <br />-4.44 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br /><0.5 <br />0.88 <br />12/01/21 <br />16.33 <br />0.00 <br />-4.75 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br /><0.5 <br />0.47 <br />05/09/22 <br />15.49 <br />0.00 <br />-3.91 <br />130 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br /><0.500 <br />0.87 <br />12/09/22 <br />17.71 <br />0.00 <br />-6.13tl <br />10 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br /><0.500 <br />0.8 <br />AMW-2 05/11/92 <br />10.83 <br />40.63 <br />0.00 <br />-29.80,0002.100 <br />160 <br /><50 <br />1,100 <br />- <br />- <br />- <br />08/24/92 <br />42.44 <br />0.00 <br />-31.61,0002,400 <br />1,100 <br />110 <br />600 <br />12/17/92 <br />43.18 <br />0.00 <br />-32.35,000 <br />2,500 <br />1,500 <br />190 <br />880 <br />stockton_charter_ way_comingles_Plume_4g22.xlsm Page 6 of 116 Stantec <br />