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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 />SMW-3 04/10/17 <br />12.50 <br />14.59 <br />0.00 <br />-2.09 <br />04/12/17 <br />- <br />- <br />- <br />1,800 <br />17 <br />3.0 <br />0.77 <br /><1.5 <br />7.5 <br />24 <br />0.41 <br />10/24/17 <br />17.00 <br />0.00 <br />-4.50 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.37 <br />10/26/17 <br />- <br />- <br />- <br />71 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.5 <br />0.60 <br />23 <br />- <br />05/07/18 <br />16.30 <br />0.00 <br />-3.80 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.36 <br />05/08/18 <br />- <br />- <br />- <br />125 BL <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><10.0 <br />- <br />05/28/19 <br />14.05 <br />0.00 <br />-1.55 <br /><100 <br /><1.00 <br /><1.00 <br /><1.00 <br /><3.00 <br /><1.00 <br /><5.00 <br />0.57 <br />11/25/19 <br />16.37 <br />0.00 <br />-3.87 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.79 <br />11/27/19 <br />- <br />- <br />- <br /><108 <br />1.8 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><10.0 <br />- <br />04/01/20 <br />15.66 <br />0.00 <br />-3.16 <br /><100 <br />1.0 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br />0.88 <br />11/11/20 <br />17.17 <br />0.00 <br />-4.67 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br />1.2 <br /><5 <br />0.48 <br />05/07/21 <br />16.36 <br />0.00 <br />-3.86 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br />9.03 <br />12/01/21 <br />17.21 <br />0.00 <br />-4.71 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br /><0.5 <br />0.24 <br />05/05/22 <br />16.08 <br />0.00 <br />-3.58 <br /><100 <br />10 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br />- <br />0.2 <br />11/28/22 ODOR <br />18.45 <br />0.00 <br />-5.95 <br /><100 <br />2.9 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br />0.73 <br />SMW-3-79 11/02/05 <br />24.89 <br />0.00 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />11/07/05 <br />24.85 <br />0.00 <br />13,000 <br />720 <br />8,600 <br />140 <br />730 <br />180 <br /><25 <br /><250 <br /><100 <br /><100 <br /><100 <br /><2,500 <br />02/06/06 <br />23.55 <br />0.00 <br />11,000 <br />700 <br />7,300 <br />140 <br />420 <br />310 <br />- <br />- <br />- <br />- <br />- <br />- <br />05/08/06 <br />21.26 <br />0.00 <br />14,000 <br />2,400 <br />5,100 <br />96 <br />320 <br />210 <br />08/07/06 <br />10.52 <br />22.39 <br />0.00 <br />-11.87 <br />20,000 <br />910 <br />12,000 <br />140 <br />640 <br />240 <br />10/30/06 <br />22.10 <br />0.00 <br />-11.58 <br />9,400 <br />1,000 <br />5,300 <br />66 <br />96 <br />110 <br />01/29/07 <br />22.24 <br />0.00 <br />-11.72 <br />25,000 <br />1,100 <br />9,700 <br />160 <br />630 <br />280 <br /><50 <br /><500 <br /><200 <br /><200 <br /><200 <br /><50 <br /><50 <br />05/07/07 <br />21.78 <br />0.00 <br />-11.26 <br />23,000 <br />3,500 <br />7,800 <br />130 <br />540 <br />200 <br /><50 <br /><500 <br /><100 <br /><100 <br /><100 <br /><25 <br /><50 <br />08/06/07 <br />22.30 <br />0.00 <br />-11.78 <br />11,000 N <br />1,000 N <br />4,900 <br />78 <br />280 <br />110 <br /><50 <br /><500 <br /><100 <br /><100 <br /><100 <br /><25 <br /><50 <br />11/05/07 <br />22.90 <br />0.00 <br />-12.38 <br />13,000 <br />120 N <br />4,400 <br />48 k <br /><50 <br />110 <br /><50 <br /><500 <br /><100 <br /><100 <br /><100 <br /><25 <br /><50 <br />02/04/08 <br />21.81 <br />0.00 <br />-11.29 <br />21,000 <br />1,700 N <br />13,000 <br />190 <br />540 <br />260 <br /><50 <br /><500 <br /><100 <br /><100 <br /><100 <br /><25 <br /><50 <br />05/05/08 <br />20.70 <br />0.00 <br />-10.18 <br />6,300 <br />870 N <br />11,000 <br />230 <br />440 <br />320 <br /><200 <br /><2,000 <br /><400 <br /><400 <br /><400 <br /><20,000 <br /><100 <br /><200 <br />08/04/08 <br />21.90 <br />0.00 <br />-11.38 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />08/05/08 <br />- <br />- <br />- <br />14,000 <br />410 N <br />5,000 <br /><100 <br /><100 <br /><100 <br /><100 <br /><1,000 <br /><200 <br /><200 <br /><200 <br /><10,000 <br /><50 <br /><100 <br />10/28/08 <br />22.90 <br />0.00 <br />-12.38 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/29/08 <br />- <br />- <br />- <br />19,000 <br />1,700 N <br />8,400 <br />150 <br />250 <br />230 <br /><100 <br /><1,000 <br /><200 <br /><200 <br /><200 <br /><10,000 <br /><50 <br /><100 <br />01/27/09 <br />22.91 <br />0.00 <br />-12.39 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />01/28/09 <br />- <br />- <br />- <br />21,000 <br />720 N <br />8,300 <br />100 <br />170 <br />140 <br /><100 <br /><1,000 <br /><200 <br /><200 <br /><200 <br /><10,000 <br /><50 <br /><100 <br />04/27/09 <br />21.46 <br />0.00 <br />-10.94 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/28/09 <br />- <br />- <br />- <br />34,000 <br />1,800 N <br />13,000 <br />150 <br />180 <br />170 <br /><100 <br /><1,000 <br /><200 <br /><200 <br /><200 <br /><10,000 <br /><50 <br /><100 <br />10/14/09 <br />22.80 <br />0.00 <br />-12.28 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/15/09 <br />- <br />- <br />- <br />19,000 <br />1,300 N <br />8,000 <br />110 <br />200 <br />130 <br /><100 <br /><1,000 <br /><200 <br /><200 <br /><200 <br /><10,000 <br /><50 <br /><100 <br />05/24/10 <br />20.41 <br />0.00 <br />-9.89 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/25/10 <br />- <br />- <br />- <br />32,000 <br />1,500 N <br />13,000 <br />170 <br />180 <br />220 <br /><100 <br /><1,000 <br /><200 <br /><200 <br /><200 <br /><10,000 <br /><50 <br /><100 <br />10/04/10 <br />12.92 <br />21.52 <br />0.00 <br />-8.60 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/16/10 <br />- <br />- <br />- <br />20,000 <br /><1,000 <br />10,000 <br />150 <br />220 <br />160 <br /><10 <br />210 <br /><10 <br /><10 <br /><10 <br /><150 <br /><10 <br />04/04/11 <br />18.88 <br />0.00 <br />-5.96 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.11 <br />C Zone <br />04/07/11 <br />18.88 <br />0.00 <br />-5.96 <br />20,000 <br />10,000 <br />120 <br />100 <br />120 <br /><25 <br />240 <br />- <br />C Zone <br />10/03/11 <br />19.39 <br />0.00 <br />-6.47 <br />20,000 <br />11,000 <br />120 <br />81 <br />84 <br /><25 <br />210 <br />0.39 <br />04/09/12 <br />19.50 <br />0.00 <br />-6.58 <br />14,000 <br />5,900 <br />74 <br />50 <br />70 <br /><15 <br />120 <br />0.75 <br />10/16/12 <br />1 <br />19.78 <br />0.00 <br />-6.86 <br />1 - <br />- <br />- <br />- <br />- <br />- <br />- <br />0.70 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 63 of 116 Stantec <br />