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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 />SLMW-1 07/22/09 <br />11.05 <br />19.86 <br />0.00 <br />-8.81 <br />7,500 <br />940 <br />38 <br />110 <br />130 <br />19 <br />12 <br /><1.5 <br /><1.5 <br /><1.5 <br /><1.5 <br /><1.5 <br />1.9 <br />07/22/09 <br />DUP <br />- <br />- <br />- <br />3,200 <br />380 <br />11 <br />25 <br />33 <br />13 <br />8.2 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />- <br />10/14/09 <br />20.50 <br />0.00 <br />-9.45 <br />5,500 <br />680 <br />22 <br />53 <br />48 <br />14 <br />8.2 <br /><1.5 <br /><1.5 <br /><1.5 <br /><1.5 <br /><1.5 <br />3.8 <br />10/14/09 <br />DUP <br />- <br />- <br />- <br />6,000 <br />650 <br />22 <br />57 <br />54 <br />9.6 <br />8.2 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />- <br />01/12/10 <br />20.45 <br />0.00 <br />-9.40 <br />6,000 <br />700 <br />32 <br />88 <br />91 <br />11 <br />10 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br />1.7 <br />01/12/10 <br />DUP <br />- <br />- <br />- <br />6,500 <br />770 <br />36 <br />98 <br />100 <br />13 <br />11 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br />- <br />05/24/10 <br />18.20 <br />0.00 <br />-7.15 <br />13,000 <br />1,300 <br />42 <br />110 <br />110 <br /><10 <br /><100 <br /><20 <br /><20 <br /><20 <br /><5.0 <br /><10 <br />05/24/10 <br />DUP <br />- <br />- <br />- <br />11,000 <br />1,100 <br />36 <br />93 <br />94 <br /><10 <br /><100 <br /><20 <br /><20 <br /><20 <br /><5.0 <br /><10 <br />09/03/10 <br />19.70 <br />0.00 <br />-8.65 <br />3,000 <br />450 <br />13 <br />52 <br />32 <br />8.4 <br />11 <br /><0.80 <br /><0.80 <br /><0.80 <br /><0.80 <br /><0.80 <br />1.4 <br />09/03/10 <br />DUP <br />19.70 <br />0.00 <br />-8.65 <br />4,400 <br /><5,000 320 <br />62 <br />1.0 <br />11 <br />4.6 <br />1.4 <br />11 <br /><0.50 <br /><0.50 <br /><0.50 <br /><20 <50 <br /><0.50 <br />- <br />1.4 <br />10/04/10 <br />11.27 <br />19.00 <br />0.00 <br />-7.73 <br />- <br />- - <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- - <br />- <br />- <br />0.8 <br />10/12/10 <br />- <br />- <br />- <br />1,300 <br />130 <br />1.6 <br />2.8 <br />0.83 <br />2.4 <br /><2.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />- <br />04/04/11 <br />NS <br />16.80 <br />0.00 <br />-5.53 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.06 <br />Cross -screened <br />10/16/12 <br />NSP <br />17.68 <br />0.00 <br />-6.41 <br />04/22/13 <br />NSP <br />16.33 <br />0.00 <br />-5.06 <br />10/14/13 <br />NSP <br />17.79 <br />0.00 <br />-6.52 <br />04/22/14 <br />NSP <br />17.21 <br />0.00 <br />-5.94 <br />10/20/14 <br />NSP <br />19.31 <br />0.00 <br />-8.04 <br />04/27/15 <br />NSP <br />17.59 <br />0.00 <br />-6.32 <br />07/09/15 <br />DEST <br />- <br />- <br />- <br />SLMW-1A 07/23/07 <br />11.18 <br />20.28 <br />0.00 <br />-9.10 <br />1,600 <br />3.9 <br />0.52 <br />6.2 <br />8.3 <br />5.9 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />- <br />1.0 <br />10/16/07 <br />21.20 <br />0.00 <br />-10.02 <br />830 <br />3.1 <br /><0.50 <br />1.2 <br />1.3 <br />4.9 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />- <br />01/15/08 <br />20.60 <br />0.00 <br />-9.42 <br />590 <br />0.65 <br /><0.50 <br />0.58 <br />0.57 <br />3.4 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />04/14/08 <br />19.27 <br />0.00 <br />-8.09 <br />570 <br /><0.50 <br /><0.50 <br />0.52 <br /><0.50 <br />3.3 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />07/15/08 <br />19.89 <br />0.00 <br />-8.71 <br />480 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.7 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />10/28/08 <br />21.24 <br />0.00 <br />-10.06 <br />390 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.3 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.1 <br />01/27/09 <br />21.13 <br />0.00 <br />-9.95 <br />400 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.85 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />5.5 <br />04/27/09 <br />19.84 <br />0.00 <br />-8.66 <br />270 <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 /><0.50 <br /><0.50 <br />1.0 <br />07/22/09 <br />20.38 <br />0.00 <br />-9.20 <br />230 <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 /><0.50 <br /><0.50 <br />2.8 <br />10/14/09 <br />21.13 <br />0.00 <br />-9.95 <br />240 <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 /><0.50 <br /><0.50 <br />1.6 <br />01/12/10 <br />20.96 <br />0.00 <br />-9.78 <br />290 <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 /><0.50 <br /><0.50 <br />2.5 <br />05/24/10 <br />18.65 <br />0.00 <br />-7.47 <br />130 <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 /><0.50 <br /><1.0 <br />- <br />10/04/10 <br />11.41 <br />20.00 <br />0.00 <br />-8.59 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.7 <br />10/12/10 <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 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />- <br />04/04/11 <br />17.11 <br />0.00 <br />-5.70 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.96 <br />B Zone <br />04/05/11 <br />- <br />- <br />- <br /><50 <br /><0.50 <br />0.62 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />- <br />B Zone <br />10/03/11 <br />NSP <br />17.84 <br />0.00 <br />-6.43 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/09/12 <br />17.70 <br />0.00 <br />-6.29 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.67 <br /><0.50 <br /><5.0 <br />0.72 <br />10/16/12 <br />18.24 <br />0.00 <br />-6.83 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.51 <br />10/17/12 <br />- <br />- <br />- <br />69 <br /><0.50 <br />0.63 <br /><0.50 <br />1.0 <br /><0.50 <br /><5.0 <br />- <br />04/22/13 <br />16.79 <br />0.00 <br />-5.38 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />0.44 <br />10/14/13 <br />NSP <br />18.31 <br />0.00 <br />-6.90 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/22/14 <br />17.77 <br />0.00 <br />-6.36 <br />51 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.1 <br /><0.50 <br /><5.0 <br />0.26 <br />10/20/14 <br />NSP <br />19.44 <br />0.00 <br />-8.03 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/27/15 <br />18.02 <br />0.00 <br />-6.61 <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.7 <br /><0.50 <br /><5.0 <br />0.18 <br />10/19/15 <br />NSP <br />1 <br />20.11 <br />0.00 <br />-8.70 <br />1 - <br 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