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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-11 10/20/14 <br />13.55 <br />21.49 <br />0.00 <br />-7.94 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />7.50 <br />10/21/14 <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 />04/27/15 <br />19.98 <br />0.00 <br />-6.43 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.80 <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 />21.90 <br />0.00 <br />-8.35 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.10 <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 />- <br />04/11/16 <br />20.33 <br />0.00 <br />-6.78 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.38 <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 />- <br />12/12/16 <br />20.96 <br />0.00 <br />-7.41 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.55 <br />12/14/16 <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 />- <br />04/10/17 <br />13.35 <br />15.57 <br />0.00 <br />-2.22 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/11/17 <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 />0.55 <br />10/24/17 <br />17.93 <br />0.00 <br />-4.58 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.3 <br />10/27/17 <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 />16.60 <br />0.00 <br />-3.25 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.71 <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 />- <br />05/28/19 <br />15.06 <br />0.00 <br />-1.71 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.29 <br />05/29/19 <br />- <br />- <br />- <br /><100 <br /><1.00 <br /><1.00 <br /><1.00 <br /><3.00 <br /><1.00 <br /><5.00 <br />- <br />11/25/19 <br />17.11 <br />0.00 <br />-3.76 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.79 <br />11/26/19 <br />- <br />- <br />- <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><10.0 <br />- <br />04/01 /20 <br />16.35 <br />0.00 <br />-3.00 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/02/20 <br />- <br />- <br />- <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br />1.78 <br />11/11/20 <br />18.10 <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 />0.71 <br />05/06/21 <br />17.26 <br />0.00 <br />-3.91 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br />1.31 <br />12/03/21 <br />18.02 <br />0.00 <br />-4.67 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br /><0.5 <br />0.41 <br />05/06/22 <br />17.22 <br />0.00 <br />-3.87 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br />- <br />4.57 <br />12/09/22 <br />18.21 <br />0.00 <br />-4.86 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br />- <br />1.24 <br />AMW-12 08/07/06 <br />- <br />18.57 <br />0.00 <br />- <br />250 <br />16 <br /><0.50 <br /><0.50 <br />2.1 <br /><0.50 <br /><20 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br /><0.50 <br />0.7 <br />10/30/06 <br />10.00 <br />19.37 <br />0.00 <br />-9.37 <br />540 <br />63 <br /><0.50 <br />0.83 <br />9.5 <br /><0.50 <br /><20 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br /><0.50 <br />1.3 <br />01/29/07 <br />19.90 <br />0.00 <br />-9.90 <br />200 <br />17 <br /><0.50 <br /><0.50 <br />1.4 <br /><0.50 <br /><20 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br /><0.50 <br />2.1 <br />05/07/07 <br />19.07 <br />0.00 <br />-9.07 <br />350 <br />34 <br /><0.50 <br /><0.50 <br />3.2 <br /><0.50 <br /><20 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br /><0.50 <br />- <br />08/06/07 <br />20.13 <br />0.00 <br />-10.13 <br />190 <br />14 <br /><0.50 <br /><0.50 <br />0.97 <br /><0.50 <br /><20 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br /><0.50 <br />4.9 <br />11/01/07 <br />20.65 <br />0.00 <br />-10.65 <br />76 <br />3.7 <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 />4.6 <br />02/04/08 <br />18.64 <br />0.00 <br />-8.64 <br />210 <br />15 <br /><0.50 <br /><0.50 <br />0.65 <br /><0.50 <br /><10 <br /><0.50 <br /><0.50 <br /><0.50 <br /><100 <br /><0.50 <br />3.3 <br />05/05/08 <br />18.87 <br />0.00 <br />-8.87 <br />380 <br />21 <br /><0.50 <br /><0.50 <br />1.3 <br /><0.50 <br /><10 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br /><0.50 <br />2.5 <br />08/04/08 <br />19.85 <br />0.00 <br />-9.85 <br />130 <br />9.9 <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 />1.0 <br />10/23/08 <br />20.76 <br />0.00 <br />-10.76 <br />52 <br />1.0 <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 />1.8 <br />01/27/09 <br />21.03 <br />0.00 <br />-11.03 <br />220 <br />10 <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 />1.0 <br />04/27/09 <br />19.75 <br />0.00 <br />-9.75 <br />200 <br />8.5 <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 />0.9 <br />07/22/09 <br />19.98 <br />0.00 <br />-9.98 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />11.2 <br />07/23/09 <br />- <br />- <br />- <br /><50 <br />2.8 <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 />20.05 <br />0.00 <br />-10.05 <br /><50 <br />0.68 <br /><0.50 <br /><0.50 <br />0.67 <br /><0.50 <br /><10 <br /><0.50 <br /><0.50 <br /><0.50 <br /><300 <br /><0.50 <br />1.1 <br />05/24/10 <br />18.72 <br />0.00 <br />-8.72 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.6 <br />05/25/10 <br />- <br />- <br />- <br />340 <br />10 <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 /><0.50 - <br />10/04/10 <br />11.77 <br />19.51 <br />0.00 <br />-7.74 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/15/10 <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 />stockton_charter_ way_comingles_plume_4g22.xlsm Page 28 of 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