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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-11-82 01/28/09 <br />9.09 <br />- <br />- <br />- <br />710 <br />67 <br />- 270 <br />3.1 <br />2.5 <br />4.0 <br /><2.0 <br /><20 <br /><4.0 <br /><4.0 <br /><4.0 <br /><200 - <br /><1.0 <br /><2.0 <br />- <br />04/27/09 <br />20.51 <br />0.00 <br />-11.42 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/28/09 <br />- <br />- <br />- <br />530 <br />76 <br />200 <br />2.9 <br />2.8 <br />4.8 <br /><2.0 <br /><20 <br /><4.0 <br /><4.0 <br /><4.0 <br /><200 <br /><1.0 <br /><2.0 <br />10/14/09 <br />21.89 <br />0.00 <br />-12.80 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/15/09 <br />- <br />- <br />- <br />2,400 <br />140 N <br />1,700 <br />13 <br />11 <br />23 <br />6.2 <br />34 <br /><4.0 <br /><4.0 <br /><4.0 <br /><200 <br /><1.0 <br /><2.0 <br />05/24/10 <br />19.43 <br />0.00 <br />-10.34 <br />760 <br />130 N <br />300 <br />5.1 <br />2.8 <br />7.3 <br />2.0 <br />27 <br /><4.0 <br /><4.0 <br /><4.0 <br /><200 <br /><1.0 <br /><2.0 <br />10/04/10 <br />11.62 <br />20.10 <br />0.00 <br />-8.48 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/13/10 <br />- <br />- <br />- <br />400 <br /><200 <br />54 <br />2.1 <br />1.6 <br />6.4 <br />0.80 <br />14 <br />0.52 <br /><0.50 <br /><0.50 <br /><5.0 <br />1.5 <br />04/04/11 <br />17.52 <br />0.00 <br />-5.90 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />C Zone <br />04/06/11 <br />- <br />- <br />- <br />530 <br />100 <br />2.7 <br />1.8 <br />6.9 <br />0.80 <br />16 <br />1.5 <br />C Zone <br />10/03/11 <br />17.68 <br />0.00 <br />-6.06 <br />780 <br />210 <br />4.2 <br />2.7 <br />8.4 <br />1.3 <br />20 <br />1.0 <br />04/09/12 <br />18.05 <br />0.00 <br />-6.43 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/10/12 <br />- <br />- <br />- <br />610 <br />67 <br />2.7 <br />2.0 <br />7.1 <br />1.3 <br />21 <br />1.1 <br />0.70 <br />10/16/12 <br />19.12 <br />0.00 <br />-7.50 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.58 <br />10/19/12 <br />- <br />- <br />- <br />900 <br />110 <br />3.7 <br />2.5 <br />7.1 <br />2.1 <br />34 <br /><0.50 <br />- <br />04/22/13 <br />17.05 <br />0.00 <br />-5.43 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.33 <br />04/24/13 <br />- <br />- <br />- <br />1,000 <br />160 <br />4.3 <br />3.4 <br />8.4 <br />1.8 <br />28 <br />0.72 <br />- <br />10/14/13 <br />18.21 <br />0.00 <br />-6.59 <br />760 <br />92 <br />2.2 <br />1.9 <br />5.6 <br />1.9 <br />25 <br />0.67 <br />0.74 <br />04/22/14 <br />18.12 <br />0.00 <br />-6.50 <br />1,100 <br />180 <br />2.9 <br />2.0 <br />5.1 <br />2.4 <br />38 <br /><0.50 <br />0.22 <br />10/20/14 <br />19.81 <br />0.00 <br />-8.19 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.36 <br />10/22/14 <br />- <br />- <br />- <br />880 <br />200 <br />2.6 <br />1.5 <br />3.7 <br />2.6 <br />34 <br /><0.50 <br />- <br />04/27/15 <br />18.24 <br />0.00 <br />-6.62 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.51 <br />04/28/15 <br />- <br />- <br />- <br />2,200 <br />900 <br />8.2 <br />3.5 <br />7.0 <br />7.4 <br />75 <br /><0.50 <br />- <br />10/19/15 <br />20.21 <br />0.00 <br />-8.59 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.25 <br />10/21/15 <br />- <br />- <br />- <br />500 <br />140 <br />1.7 <br />1.1 <br />2.8 <br />1.1 <br />18 <br /><0.50 <br />- <br />04/11/16 <br />18.16 <br />0.00 <br />-6.54 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.14 <br />04/14/16 <br />- <br />- <br />- <br />400 <br />98 <br />1.4 <br />0.95 <br />3.0 <br />1.3 <br />23 <br /><0.50 <br />- <br />12/12/16 INA <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />Broken car parked over <br />04/10/17 <br />11.81 <br />13.48 <br />0.00 <br />-1.67 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/11/17 <br />- <br />- <br />- <br />380 <br />59 <br />0.89 <br />0.71 <br />2.5 <br />0.99 <br />18 <br /><0.50 <br />0.18 <br />10/24/17 <br />16.82 <br />0.00 <br />-5.01 <br />620 <br />61 <br />1.1 <br />0.78 <br />2.7 <br />2.9 <br />43 <br />- <br />0.29 <br />05/07/18 <br />15.08 <br />0.00 <br />-3.27 <br />560 <br />81 <br />1.2 <br />0.67 <br />2.7 <br />2.5 <br />34 <br /><0.500 <br />0.22 <br />05/30/19 <br />13.25 <br />0.00 <br />-1.44 <br />470 <br />180 <br />2.0 <br /><1.00 <br />3.1 <br />3.3 <br />55 <br /><1.00 <br />0.55 <br />12/02/19 <br />14.86 <br />0.00 <br />-3.05 <br />1,000 <br />370 <br />2.9 <br />1.3 <br />3.6 <br /><0.500 <br />43 <br />8.4 <br />0.65 <br />04/01/20 <br />14.51 <br />0.00 <br />-2.70 <br />120 <br />53 <br />0.98 <br />1.2 <br />2.1 <br /><0.5 <br /><5 <br /><0.5 <br />0.7 <br />11/12/20 <br />16.29 <br />0.00 <br />-4.48 <br />270 <br />56 <br />0.98 <br /><0.5 <br />1.6 <br />2.8 <br />38 <br /><0.5 <br />0.5 <br />05/04/21 <br />16.81 <br />0.00 <br />-5.00 <br />390 <br />61 <br />1.3 <br />0.60 <br />2.6 <br />3.1 <br />37 <br />1.6 <br />0.2 <br />12/03/21 <br />16.43 <br />0.00 <br />-4.62 <br />250 <br />34 <br />0.91 <br />0.65 <br />1.6 <br />2.1 <br />30 <br />0.88 <br />0.49 <br />05/05/22 <br />15.79 <br />0.00 <br />-3.98 <br />730 <br />260 <br />5.2 <br />4.7 <br />7.7 <br />3.8 <br />35 <br /><0.500 <br />1.1 <br />11/29/22 <br />18.56 <br />0.00 <br />-6.75 <br />190 <br />26 <br />0.81 <br /><0.500 <br />1.7 <br />1.1 <br />14 <br />0.68 <br />0.45 <br />MW -11-12', 09/24/02 <br />9.09 <br />23.79 <br />0.00 <br />-14.70 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />09/27/02 <br />23.85 <br />0.00 <br />-14.76 <br />390 <br />36 <br />5.2 <br />2.5 <br />8.8 <br />0.56 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><500 <br /><2.0 <br /><2.0 <br />- <br />11/13/02 <br />24.40 <br />0.00 <br />-15.31 <br />1,100 <br />77 <br />32 <br />5.2 <br />1.4 <br />3.4 <br /><0.50 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br />- <br /><2.0 <br /><2.0 <br />1.5 <br />02/11/03 <br />23.24 <br />0.00 <br />-14.15 <br />770 <br />440 <br />36 <br />2.0 <br />1.3 <br />1.3 <br /><0.50 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />2.2 <br />05/29/03 <br />23.07 <br />0.00 <br />-13.98 <br />310 <br />260 <br />45 <br />2.0 <br />1.7 <br />0.82 <br /><0.50 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />- <br />08/14/03 <br />23.62 <br />0.00 <br />-14.53 <br />890 <br />470 <br />260 <br />18 <br /><5.0 <br /><10 <br />6.0 <br />140 <br /><20 <br /><20 <br /><20 <br /><500 <br /><5.0 <br /><5.0 <br />- <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 85 of 116 Stantec <br />