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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-19-81 12/13/16 <br />11.90 <br />- <br />- <br />- <br />6,000 <br />2,800 <br />24 <br />12 <br />51 <br />560 <br /><5.0 <br />04/10/17 <br />11.91 <br />14.07 <br />0.00 <br />-2.16 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/12/17 <br />- <br />- <br />- <br />14,000 <br />6,000 <br />27 <br /><12.5 <br /><37.5 <br />1,000 <br />210 <br />0.49 <br />10/24/17 <br />16.61 <br />0.00 <br />-4.70 <br />3,500 <br />1,100 <br />9.5 <br />3.8 <br />22 <br />790 <br />240 <br />0.33 <br />05/07/18 <br />15.45 <br />0.00 <br />-3.54 <br />3,900 <br />1,800 <br />8.2 <br />2.9 <br />16 <br />810 <br />190 <br />0.40 <br />05/28/19 <br />13.72 <br />0.00 <br />-1.81 <br />1,200 <br />89 <br /><5.00 <br /><5.00 <br /><15.0 <br />1,200 <br />240 <br />0.52 <br />11/25/19 <br />15.91 <br />0.00 <br />-4.00 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.47 <br />11/27/19 <br />- <br />- <br />- <br /><1,000 <br />15 <br />3.6 <br />0.62 <br />6.8 <br />900 <br />210 <br />- <br />04/01/20 <br />15.32 <br />0.00 <br />-3.41 <br /><1,000 <br />54 <br /><5 <br /><5 <br /><15 <br />970 <br />220 <br />0.52 <br />11/12/20 <br />16.98 <br />0.00 <br />-5.07 <br />1,000 <br />14 <br />4.5 <br />0.69 <br />12 <br />1,100 <br />210 <br />3.24 <br />05/07/21 <br />16.00 <br />0.00 <br />-4.09 <br /><1,000 <br />31 <br /><5 <br /><5 <br />15 <br />1,300 <br />220 <br />5.13 <br />12/01/21 <br />16.72 <br />0.00 <br />-4.81 <br />2,100 <br />340 <br />6.3 <br /><5 <br />20 <br />1,300 <br />190 <br /><5 <br />0.28 <br />05/05/22 <br />15.89 <br />0.00 <br />-3.98 <br />1,600 <br />22 <br />7.8 <br /><5.00 <br />22 <br />1,800 <br />240 <br />- <br />0.96 <br />11/28/22 ODOR <br />18.03 <br />0.00 <br />-6.12 <br />2,000 <br />100 <br /><10 <br /><10 <br /><30 <br />1,900 <br />250 <br />0.31 <br />MW -19-12( 09/24/02 <br />9.88 <br />25.87 <br />0.00 <br />-15.99 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />09/27/02 <br />24.59 <br />0.00 <br />-14.71 <br />11,000 <br />520 <br />1,300 <br />270 <br />1,400 <br />9.0 <br /><50 <br /><5.0 <br /><5.0 <br /><5.0 <br /><500 <br /><5.0 <br /><5.0 <br />- <br />11/13/02 <br />24.99 <br />0.00 <br />-15.11 <br />1,100 <br /><100 <br />66 <br />49 <br />30 <br />130 <br />2.8 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br />- <br /><2.0 <br /><2.0 <br />0.7 <br />02/11/03 <br />23.85 <br />0.00 <br />-13.97 <br />1,800 <br /><500 <br />91 <br />26 <br />51 <br />38 <br />3.9 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />1.0 <br />05/29/03 <br />23.58 <br />0.00 <br />-13.70 <br />440 <br /><80 <br />21 <br />1.6 <br />9.4 <br />11 <br />1.2 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />- <br />08/14/03 <br />24.39 <br />0.00 <br />-14.51 <br />120 <br />74 <br />16 <br /><0.50 <br />4.4 <br />2.7 <br />1.4 <br /><5.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><0.50 <br /><0.50 <br />11/03/03 <br />25.42 <br />0.00 <br />-15.54 <br />190 <br />68 <br />8.6 <br /><0.50 <br />2.5 <br />1.2 <br />0.69 <br /><5.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><0.50 <br /><0.50 <br />02/09/04 <br />24.46 <br />0.00 <br />-14.58 <br />150 <br />250 <br />14 <br /><0.50 <br />0.81 <br /><1.0 <br />1.5 <br /><5.0 <br />- <br />- <br />- <br /><0.50 <br /><0.50 <br />05/10/04 <br />24.28 <br />0.00 <br />-14.40 <br />110 <br /><50 <br />4.4 <br /><0.50 <br /><0.50 <br /><1.0 <br />0.82 <br /><5.0 <br />- <br />- <br />- <br /><0.50 <br /><0.50 <br />08/09/04 <br />25.40 <br />0.00 <br />-15.52 <br /><50 <br />91 <br />0.86 <br /><0.50 <br /><0.50 <br /><1.0 <br />0.86 <br /><5.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><50 <br /><0.50 <br /><0.50 <br />11/15/04 <br />26.14 <br />0.00 <br />-16.26 <br />70 <br /><50 <br />2.7 <br /><0.50 <br /><0.50 <br /><1.0 <br /><0.50 <br /><5.0 <br />- <br />- <br />- <br />- <br /><0.50 <br /><0.50 <br />02/08/05 <br />24.47 <br />0.00 <br />-14.59 <br /><50 <br /><50 <br />2.0 <br /><0.50 <br /><0.50 <br /><1.0 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br />05/09/05 <br />22.49 <br />0.00 <br />-12.61 <br /><50 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.0 <br /><0.50 <br /><5.0 <br />- <br />- <br />08/08/05 <br />23.42 <br />0.00 <br />-13.54 <br /><50 <br /><50 <br />1.7 <br /><0.50 <br /><0.50 <br /><1.0 <br /><0.50 <br /><5.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><50 <br />11/07/05 <br />23.63 <br />0.00 <br />-13.75 <br /><50 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.0 <br /><0.50 <br /><5.0 <br />- <br />- <br />- <br />- <br />02/06/06 <br />22.86 <br />0.00 <br />-12.98 <br /><50 <br />220 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.0 <br /><0.50 <br /><5.0 <br />05/08/06 <br />20.80 <br />0.00 <br />-10.92 <br /><50 <br />300 <br />0.55 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><10 <br />08/07/06 <br />21.17 <br />0.00 <br />-11.29 <br /><50 <br />58 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.0 <br /><0.50 <br /><5.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><50 <br />10/30/06 <br />22.19 <br />0.00 <br />-12.31 <br /><50 <br /><50 <br />2.9 <br /><0.50 <br /><0.50 <br /><1.0 <br /><0.50 <br /><5.0 <br />- <br />- <br />- <br />- <br />01/29/07 <br />21.90 <br />0.00 <br />-12.02 <br /><5,000 <br />190 <br />170 <br /><50 <br /><50 <br /><100 <br /><50 <br /><500 <br />05/07/07 <br />21.28 <br />0.00 <br />-11.40 <br /><50 <br /><50 <br />1.9 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><10 <br />08/06/07 <br />22.22 <br />0.00 <br />-12.34 <br />70 N <br />72 N <br />1.4 <br /><1.0 <br /><1.0 <br /><1.0 <br />0.30 <br /><10 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br />11/05/07 <br />22.54 <br />0.00 <br />-12.66 <br /><50 <br />53 N <br />2.9 <br /><1.0 <br /><1.0 <br /><1.0 <br />0.55 <br />6.3 <br />- <br />- <br />- <br />- <br />02/04/08 <br />20.72 <br />0.00 <br />-10.84 <br /><50 <br />100 N <br /><0.50 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><10 <br />05/05/08 <br />21.00 <br />0.00 <br />-11.12 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/06/08 <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 />08/04/08 <br />21.68 <br />0.00 <br />-11.80 <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 />10/28/08 <br />22.62 <br />0.00 <br />-12.74 <br /><50 <br />56 N <br /><0.50 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><10 <br />- <br />- <br />- <br />- <br />01/27/09 <br />22.48 <br />0.00 <br />-12.60 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />01/28/09 <br />- <br />- <br />- <br /><50 <br />56 <br /><0.50 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><10 <br />A <br />04/27/09 <br />21.15 <br />0.00 <br />-11.27 <br /><50 <br /><50 <br /><0.50 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><10 <br />B <br />10/14/09 <br />1 <br />22.01 <br />0.00 <br />-12.13 <br />1 - <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br 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