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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 />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-3-79 10/19/12 <br />12.92 <br />- <br />- <br />- <br />17,000 <br />- <br />- 6,700 <br />86 <br />62 <br />85 <br /><15 <br />160 <br />- <br />- <br />- <br />- - <br />- <br />- <br />- <br />04/22/13 <br />18.06 <br />0.00 <br />-5.14 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.79 <br />04/25/13 <br />- <br />- <br />- <br />17,000 <br />8,900 <br />120 <br />80 <br />110 <br /><15 <br />140 <br />- <br />10/14/13 <br />19.71 <br />0.00 <br />-6.79 <br />18,000 <br />9,100 <br />130 <br />87 <br />130 <br /><15 <br />170 <br />0.61 <br />04/22/14 <br />19.34 <br />0.00 <br />-6.42 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />3.89 <br />04/24/14 <br />- <br />- <br />- <br />17,000 <br />6,800 <br />88 <br />46 <br />89 <br /><15 <br />78 <br />- <br />10/20/14 <br />21.16 <br />0.00 <br />-8.24 <br />17,000 <br />7,400 <br />78 <br />39 <br />73 <br /><15 <br />130 <br />0.36 <br />04/27/15 <br />19.61 <br />0.00 <br />-6.69 <br />17,000 <br />6,700 <br />66 <br />32 <br />57 <br /><12.5 <br /><125 <br />0.64 <br />10/19/15 <br />21.74 <br />0.00 <br />-8.82 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.31 <br />10/22/15 <br />- <br />- <br />- <br />13,000 <br />6,800 <br />70 <br />44 <br />73 <br /><10.0 <br />120 <br />- <br />04/11/16 <br />19.43 <br />0.00 <br />-6.51 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.21 <br />04/14/16 <br />- <br />- <br />- <br />10,000 <br />7,100 <br />53 <br />39 <br />74 <br /><2.5 <br /><25.0 <br />- <br />12/12/16 <br />21.01 <br />0.00 <br />-8.09 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.43 <br />12/14/16 <br />- <br />- <br />- <br />11,000 <br />5,300 <br />26 <br />27 <br />50 <br /><12.5 <br /><125 <br />- <br />04/10/17 <br />12.87 <br />15.19 <br />0.00 <br />-2.32 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/12/17 <br />- <br />- <br />- <br />11,000 <br />4,600 <br />19 <br />20 <br /><37.5 <br /><12.5 <br /><125 <br />0.54 <br />10/24/17 <br />17.70 <br />0.00 <br />-4.83 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.54 <br />10/25/17 <br />- <br />- <br />- <br />1,200 <br />250 <br />2.7 <br />4.2 <br />20 <br /><0.50 <br />44 <br />- <br />05/07/18 <br />16.86 <br />0.00 <br />-3.99 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.33 <br />05/08/18 <br />- <br />- <br />- <br />3,900 <br />1,100 <br />13 <br />16 <br />39 <br />1.1 <br />53 <br />- <br />05/28/19 <br />14.67 <br />0.00 <br />-1.80 <br />1,900 <br />49 <br /><20.0 <br /><20.0 <br /><60.0 <br /><20.0 <br /><100 <br />0.76 <br />11/25/19 <br />16.96 <br />0.00 <br />-4.09 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.98 <br />11/27/19 <br />- <br />- <br />- <br />2,000 <br />40 <br />5.4 <br />5.1 <br />22 <br /><0.500 <br />87 <br />- <br />04/01/20 <br />16.13 <br />0.00 <br />-3.26 <br />2,300 <br />23 <br />3.1 <br />3.3 <br />18 <br />0.86 <br />80 <br />0.57 <br />11/11/20 <br />17.93 <br />0.00 <br />-5.06 <br />2,500 <br />52 <br />3.8 <br />4.0 <br />23 <br />0.65 <br />68 <br />0.28 <br />05/07/21 <br />16.94 <br />0.00 <br />-4.07 <br />2,200 <br />36 <br />3.4 <br />3.1 <br />19 <br />0.73 <br />62 <br />0.84 <br />12/01/21 <br />17.74 <br />0.00 <br />-4.87 <br />2,300 <br />35 <br />3.1 <br />2.3 <br />21 <br />1.0 <br />69 <br />0.91 <br />0.21 <br />05/05/22 <br />16.77 <br />0.00 <br />-3.90 <br />19,000 <br />9,700 <br />54 <br />34 <br />62 <br />43 <br />150 <br />- <br />0.07 <br />11/28/22 <br />ODOR <br />19.01 <br />0.00 <br />-6.14 <br /><10,000 <br />380 <br /><50 <br /><50 <br /><150 <br /><50 <br /><500 <br />0.25 <br />SMW-3-119 11/02/05 <br />23.82 <br />0.00 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />11/07/05 <br />INA <br />- <br />02/06/06 <br />INA <br />- <br />03/01/06 <br />23.67 <br />0.00 <br /><50 <br />780 N <br />4.1 <br />0.56 <br />0.22 <br />0.84 <br />05/08/06 <br />21.49 <br />0.00 <br />74 <br />160 <br />15 <br /><1.0 <br /><1.0 <br /><1.0 <br />08/07/06 <br />10.41 <br />21.37 <br />0.00 <br />-10.96 <br />150 <br />110 <br />26 <br /><0.50 <br /><0.50 <br /><1.0 <br />10/30/06 <br />22.12 <br />0.00 <br />-11.71 <br />370 <br />130 <br />110 <br />1.5 <br /><0.50 <br />1.5 <br />01/29/07 <br />22.46 <br />0.00 <br />-12.05 <br />800 <br />210 <br />180 <br />2.2 <br />0.74 <br />2.2 <br /><0.50 <br /><5.0 <br />2.0 <br /><2.0 <br /><2.0 <br /><0.50 <br /><0.50 <br />05/07/07 <br />21.87 <br />0.00 <br />-11.46 <br />680 <br />320 <br />190 <br />2.7 <br />1.1 <br />1.9 <br /><1.0 <br /><10 <br />1.3 <br /><2.0 <br /><2.0 <br /><0.50 <br /><1.0 <br />08/06/07 <br />22.45 <br />0.00 <br />-12.04 <br />1,300 <br />530 N <br />320 <br />4.2 <br />1.7 <br />4.3 <br /><2.0 <br /><20 <br />1.8 <br /><4.0 <br /><4.0 <br /><1.0 <br /><2.0 <br />11/05/07 <br />23.04 <br />0.00 <br />-12.63 <br />870 N <br />390 N <br />220 <br />2.3 <br />0.79 <br />2.9 <br /><2.0 <br />21 <br />1.7 <br /><4.0 <br /><4.0 <br /><1.0 <br /><2.0 <br />02/04/08 <br />22.12 <br />0.00 <br />-11.71 <br />3,800 <br />400 N <br />1,600 <br />26 <br />8.9 <br />26 <br /><2.0 <br />29 <br />4.9 <br /><4.0 <br /><4.0 <br /><1.0 <br /><2.0 <br />05/05/08 <br />19.50 <br />0.00 <br />-9.09 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/06/08 <br />- <br />- <br />- <br />3,300 <br />140 N <br />1,900 <br />31 <br /><25 <br />29 <br /><25 <br /><250 <br /><50 <br /><50 <br /><50 <br /><2,500 <br /><12 <br /><25 <br />08/04/08 <br />21.82 <br />0.00 <br />-11.41 <br />5,900 <br />210 N <br />1,600 <br />29 <br /><20 <br />23 <br /><20 <br /><200 <br /><40 <br /><40 <br /><40 <br /><2,000 <br /><10 <br /><20 <br />10/28/08 <br />23.07 <br />0.00 <br />-12.66 <br />4,500 <br />350 N <br />1,600 <br />32 <br /><20 <br />29 <br /><20 <br /><200 <br /><40 <br /><40 <br /><40 <br /><2,000 <br /><10 <br /><20 <br />01/27/09 <br />1 <br />23.08 <br />0.00 <br />-12.67 <br />1 - <br />- <br />- <br />- <br />- <br />- <br 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