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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 />CMW-1 08/09/04 <br />10.38 <br />23.08 <br />0.00 <br />-12.70 <br /><50 <br />590 <br /><0.5 <br /><0.7 <br /><0.8 <br /><1.6 <br /><1 <br />2.2 <br />11/15/04 <br />23.57 <br />0.00 <br />-13.19 <br /><50 <br />240 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.0 <br /><0.5 <br />1.8 <br />02/08/05 <br />22.54 <br />0.00 <br />-12.16 <br /><50 <br />230 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.0 <br /><0.5 <br />2.5 <br />05/09/05 <br />20.11 <br />0.00 <br />-9.73 <br /><50 <br />150 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.0 <br /><0.5 <br />2.2 <br />08/08/05 <br />21.18 <br />0.00 <br />-10.80 <br /><50 <br />180 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />4.0 <br /><5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />2.7 <br />11/07/05 <br />22.47 <br />0.00 <br />-12.09 <br /><50 <br />95 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />12 <br /><5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />2.1 <br />02/06/06 <br />21.47 <br />0.00 <br />-11.09 <br /><50 <br />170 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />0.90 <br /><5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />1.9 <br />05/08/06 <br />19.10 <br />0.00 <br />-8.72 <br /><50 <br />99 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />1.7 <br />08/07/06 <br />19.25 <br />0.00 <br />-8.87 <br /><50 <br />450 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />2.0 <br /><5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />2.1 <br />10/30/06 <br />20.21 <br />0.00 <br />-9.83 <br /><50 <br />640 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />9.0 <br /><5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />1.8 <br />01/29/07 <br />20.30 <br />0.00 <br />-9.92 <br /><50 <br />810 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />8.0 <br /><2 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />1.7 <br />05/07/07 <br />19.86 <br />0.00 <br />-9.48 <br /><50 <br />520 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><2 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />1.6 <br />08/06/07 <br />20.07 <br />0.00 <br />-9.69 <br /><50 <br />730 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />3.0 <br /><2 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />1.3 <br />11/05/07 <br />21.05 <br />0.00 <br />-10.67 <br /><50 <br />410 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />30 <br />4.0 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />1.8 <br />02/04/08 <br />11.95 <br />19.01 <br />0.00 <br />-7.06 <br /><50 <br />210 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />28 <br />6.0 <br /><0.5 <br /><0.5 <br />0.50 <br /><50 <br /><0.5 <br /><0.5 <br />1.3 <br />05/05/08 <br />19.18 <br />0.00 <br />-7.23 <br /><50 <br />470 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><2 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />1.3 <br />08/04/08 <br />20.02 <br />0.00 <br />-8.07 <br /><50 <br />250 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />7.0 <br /><2 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />1.1 <br />10/28/08 <br />20.92 <br />0.00 <br />-8.97 <br /><50 <br />400 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><2 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />0.9 <br />01/27/09 <br />20.91 <br />0.00 <br />-8.96 <br /><50 <br />900 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><2 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />1.1 <br />04/27/09 <br />19.64 <br />0.00 <br />-7.69 <br /><50 <br />850 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><2 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />1.4 <br />10/14/09 <br />20.80 <br />0.00 <br />-8.85 <br />110 <br />2,000 <br />5.0 <br />11 <br />2.0 <br />9.0 <br />2.0 <br /><2 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />1.1 <br />05/24/10 <br />18.58 <br />0.00 <br />-6.63 <br /><50 <br />490 <br />0.70 <br />0.70 <br /><0.5 <br /><0.5 <br />1.0 <br /><2 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />1.4 <br />10/04/10 <br />12.05 <br />19.55 <br />0.00 <br />-7.50 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/13/10 <br />- <br />- <br />- <br /><50 <br />58 <br /><100 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.2 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><50 <br /><0.50 <br />- <br />04/04/11 <br />NS <br />17.11 <br />0.00 <br />-5.06 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.64 <br />Cross -screened <br />10/16/12 <br />NSP <br />17.53 <br />0.00 <br />-5.48 <br />04/22/13 <br />NSP <br />16.88 <br />0.00 <br />-4.83 <br />10/14/13 <br />NSP <br />18.32 <br />0.00 <br />-6.27 <br />04/22/14 <br />NSP <br />17.76 <br />0.00 <br />-5.71 <br />10/20/14 <br />NSP <br />19.41 <br />0.00 <br />-7.36 <br />04/27/15 <br />NSP <br />18.06 <br />0.00 <br />-6.01 <br />07/09/15 <br />DEST <br />- <br />- <br />- <br />CMW-2 03/23/95 <br />9.26 <br />32.96 <br />0.00 <br />-23.70 <br />05/26/95 <br />30.36 <br />0.00 <br />-21.10 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />08/15/95 <br />30.63 <br />0.00 <br />-21.37 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />11/16/95 <br />30.76 <br />0.00 <br />-21.50 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />- <br />02/27/96 <br />28.32 <br />0.00 <br />-19.06 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />05/15/96 <br />26.83 <br />0.00 <br />-17.57 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />08/22/96 <br />27.01 <br />0.00 <br />-17.75 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />11/25/96 <br />INA <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/19/97 <br />INA <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />08/21/97 <br />23.85 <br />0.00 <br />-14.59 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />11/17/97 <br />24.93 <br />0.00 <br />-15.67 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />02/09/98 <br />22.38 <br />0.00 <br />-13.12 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />05121/98 <br />18.61 <br />0.00 <br />-9.35 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />08/11/98 <br />1 <br />18.83 <br />0.00 <br />-9.57 <br />1 2,700 <br />390 <br />26 <br />46 <br />69 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 30 of 116 Stantec <br />