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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 />DCA <br />EDB <br />(p9/L) <br />D.O. <br />(m9/L) <br />Comments <br />SMW-4 03/18/93 <br />10.09 <br />39.77 <br />0.00 <br />-29.68 <br />140,000 <br />20,000 <br />5,200 <br />2,200 <br />4,900 <br />06/10/93 <br />37.86 <br />0.00 <br />-27.77 <br />110,000 <br />8,600 <br />1,600 <br />2,100 <br />3,000 <br />09/20/93 <br />- <br />- <br />- <br />120,000 <br />23,000 <br />38,000 <br />2,900 <br />7,100 <br />10/22/93 <br />38.85 <br />0.00 <br />-28.76 <br />- <br />- <br />- <br />- <br />- <br />12/22/93 <br />38.35 <br />0.00 <br />-28.26 <br />- <br />- <br />- <br />- <br />- <br />03/16/94 <br />37.70 <br />Sheen <br />-27.61 <br />78,000 <br />14,000 <br />1,100 <br />2,100 <br />1,200 <br />06/15/94 <br />37.22 <br />0.00 <br />-27.13 <br />20,000 <br />19,000 <br />1,200 <br />1,200 <br />950 <br />09/22/94 <br />38.64 <br />0.00 <br />-28.55 <br />49,000 <br />12,000 <br />1,800 <br />1,100 <br />1,200 <br />12/01/94 <br />38.78 <br />Sheen <br />-28.69 <br />57,000 <br />17,000 <br />3,500 <br />1,700 <br />2,100 <br />02/16/95 <br />35.80 <br />0.00 <br />-25.71 <br />64,000 <br />16,000 <br />8,500 <br />1,900 <br />4,100 <br />05/17/95 <br />31.12 <br />0.00 <br />-21.03 <br />52,000 <br />15,000 <br />5,800 <br />1,500 <br />3,200 <br />08/15/95 <br />30.71 <br />0.00 <br />-20.62 <br />32,000 <br />12,000 <br />840 <br />800 <br />1,000 <br />11/16/95 <br />31.05 <br />0.00 <br />-20.96 <br />61,000 <br />18,000 <br />5,500 <br />1,800 <br />3,600 <br />02/27/96 <br />28.00 <br />0.00 <br />-17.91 <br />62,000 <br />15,000 <br />6,800 <br />1,700 <br />3,900 <br />05/15/96 <br />26.20 <br />0.00 <br />-16.11 <br />14,000 <br />4,800 <br />1,300 <br />450 <br />860 <br />08/22/96 <br />26.93 <br />0.00 <br />-16.84 <br />4,200 <br />1,100 <br />27 <br />48 <br />110 <br />11/25/96 <br />27.00 <br />0.00 <br />-16.91 <br />5,600 <br />1,900 <br />310 <br />110 <br />180 <br />02/24/97 <br />23.38 <br />0.00 <br />-13.29 <br />21,000 <br />5,000 <br />2,200 <br />660 <br />1,800 <br />05/19/97 <br />22.97 <br />0.00 <br />-12.88 <br />640 <br />150 <br />9.4 <br />3.6 <br />4.1 <br />08/21/97 <br />24.02 <br />0.00 <br />-13.93 <br />1,000 <br />46 <br />14 <br />16 <br />18 <br />11/18/97 <br />25.05 <br />0.00 <br />-14.96 <br />210 <br />14 <br />0.98 <br />0.84 <br />0.89 <br />02/09/98 <br />22.80 <br />0.00 <br />-12.71 <br />810 <br />130 <br />27 <br />35 <br />51 <br />05/21/98 <br />18.58 <br />0.00 <br />-8.49 <br />5,200 <br />1,000 <br />24 <br />38 <br />30 <br />08/11/98 <br />18.78 <br />0.00 <br />-8.69 <br />360 <br />33 <br /><0.5 <br /><0.5 <br /><0.5 <br />11/09/98 <br />19.85 <br />0.00 <br />-9.76 <br />190 <br />4.0 <br /><0.50 <br /><0.50 <br />0.52 <br />02/17/99 <br />20.03 <br />0.00 <br />-9.94 <br /><50.0 <br /><0.500 <br /><0.500 <br /><0.500 <br /><0.500 <br />05/25/99 <br />18.79 <br />0.00 <br />-8.70 <br />230 <br />3.5 <br />14 <br />6.3 <br />30 <br />08/18/99 <br />19.21 <br />0.00 <br />-9.12 <br /><50.0 <br /><0.500 <br /><0.500 <br /><0.500 <br /><0.500 <br />11/05/99 <br />20.49 <br />0.00 <br />-10.40 <br />310 <br />36 <br />40 <br />11 <br />45 <br />02/22/00 <br />21.10 <br />0.00 <br />-11.01 <br />82 <br /><0.500 <br /><0.500 <br /><0.500 <br />0.96 <br />05/16/00 <br />18.31 <br />0.00 <br />-8.22 <br />230 <br />14 <br />0.52 <br /><0.500 <br /><0.500 <br />18 <br /><100 <br /><2.00 <br /><2.00 <br />2.8 <br />2.6 <br />2.4 <br />08/30/00 <br />19.47 <br />0.00 <br />-9.38 <br /><50.0 <br />180 <br /><0.500 <br /><0.500 <br /><0.500 <br /><0.500 <br />6.8 <br /><100 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br />11/21/00 <br />20.05 <br />0.00 <br />-9.96 <br /><50.0 <br />170 <br /><0.500 <br /><0.500 <br /><0.500 <br /><0.500 <br />6.6 <br /><100 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br />02/15/01 <br />20.24 <br />0.00 <br />-10.15 <br />110 <br />170 <br />1.3 <br /><0.500 <br /><0.500 <br />0.80 <br />11 <br /><200 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br />05/17/01 <br />19.57 <br />0.00 <br />-9.48 <br /><50 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />10 <br />5.5 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />08/16/01 <br />20.90 <br />0.00 <br />-10.81 <br />94 <br />78 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />17 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />12/06/01 <br />21.90 <br />0.00 <br />-11.81 <br />62 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />18 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><500 <br /><2.0 <br /><2.0 <br />02/14/02 <br />8.54 <br />20.40 <br />0.00 <br />-11.86 <br />59 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />25 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br />- <br /><2.0 <br /><2.0 <br />05/31/02 <br />20.41 <br />0.00 <br />-11.87 <br />78 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />29 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />08/23/02 <br />21.77 <br />0.00 <br />-13.23 <br />160 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />35 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />09/27/02 <br />22.14 <br />0.00 <br />-13.60 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />11/13/02 <br />22.69 <br />0.00 <br />-14.15 <br />78 <br />57 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />49 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />0.9 <br />02/11/03 <br />21.54 <br />0.00 <br />-13.00 <br /><50 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />84 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />0.7 <br />05/29/03 <br />21.42 <br />0.00 <br />-12.88 <br /><50 <br />220 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />78 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />- <br />08/14/03 <br />22.33 <br />0.00 <br />-13.79 <br /><50 <br />190 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.0 <br />94 <br />14 <br /><2.0 <br /><2.0 <br /><2.0 <br />0.89 <br /><0.50 <br />11/03/03 <br />1 <br />23.06 <br />0.00 <br />-14.52 <br />1 140 <br />160 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.0 <br />110 <br />22 <br /><2.0 <br /><2.0 <br /><2.0 <br /><0.50 <br /><0.50 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 66 of 116 Stantec <br />