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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-5 12/22/93 <br />10.27 <br />39.56 <br />0.00 <br />-29.29 <br />03/16/94 <br />38.88 <br />Sheen <br />-28.61 <br />32,000 <br />4,100 <br />600 <br />820 <br />1,500 <br />06/15/94 <br />38.42 <br />0.00 <br />-28.15 <br />15,000 <br />8,300 <br />610 <br />610 <br />1,000 <br />09/22/94 <br />39.93 <br />0.00 <br />-29.66 <br />49,000 <br />8,400 <br />1,100 <br />590 <br />1,300 <br />12/01/94 <br />39.90 <br />0.00 <br />-29.63 <br />36,000 <br />7,100 <br />950 <br />730 <br />1,500 <br />02/16/95 <br />36.80 <br />0.00 <br />-26.53 <br />15,000 <br />3,800 <br />120 <br />380 <br />420 <br />05/17/95 <br />32.28 <br />0.00 <br />-22.01 <br />18,000 <br />5,600 <br />150 <br />610 <br />660 <br />08/15/95 <br />31.95 <br />0.00 <br />-21.68 <br />23,000 <br />6,800 <br />300 <br />620 <br />710 <br />11/16/95 <br />32.30 <br />0.00 <br />-22.03 <br />21,000 <br />8,200 <br />240 <br />500 <br />460 <br />02/27/96 <br />29.30 <br />0.00 <br />-19.03 <br />24,000 <br />8,800 <br />580 <br />630 <br />750 <br />05/15/96 <br />27.55 <br />0.00 <br />-17.28 <br />14,000 <br />6,100 <br />72 <br />230 <br />170 <br />08/22/96 <br />28.24 <br />0.00 <br />-17.97 <br />8,700 <br />3,500 <br />42 <br />78 <br />65 <br />11/25/96 <br />28.40 <br />0.00 <br />-18.13 <br />15,000 <br />6,000 <br />160 <br />250 <br />230 <br />02/24/97 <br />24.66 <br />0.00 <br />-14.39 <br />12,000 <br />5,900 <br />120 <br />210 <br />180 <br />05/19/97 <br />24.10 <br />0.00 <br />-13.83 <br />2,000 <br />890 <br />15 <br />16 <br />22 <br />08/21/97 <br />24.03 <br />0.00 <br />-13.76 <br />30,000 <br />11,000 <br />390 <br />390 <br />460 <br />11/18/97 <br />26.28 <br />0.00 <br />-16.01 <br />18,000 <br />7,600 <br />50 <br />130 <br />110 <br />02/09/98 <br />24.09 <br />0.00 <br />-13.82 <br />4,900 <br />2,400 <br />8.9 <br />23 <br />22 <br />05/21/98 <br />19.81 <br />0.00 <br />-9.54 <br />780 <br />140 <br />1.0 <br />3.0 <br />1.1 <br />08/11/98 <br />19.91 <br />0.00 <br />-9.64 <br />11,000 <br />3,800 <br />110 <br />140 <br />160 <br />11/09/98 <br />20.87 <br />0.00 <br />-10.60 <br />5,400 <br />1,900 <br /><5.0 <br />75 <br />63 <br />02/17/99 <br />21.10 <br />0.00 <br />-10.83 <br /><50.0 <br /><0.500 <br /><0.500 <br /><0.500 <br /><0.500 <br />05/25/99 <br />19.88 <br />0.00 <br />-9.61 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />08/18/99 <br />19.78 <br />0.00 <br />-9.51 <br /><50.0 <br /><0.500 <br /><0.500 <br /><0.500 <br /><0.500 <br />11/05/99 <br />19.21 <br />0.00 <br />-8.94 <br />270 <br />32 <br />38 <br />11 <br />43 <br />02/22/00 <br />19.90 <br />0.00 <br />-9.63 <br />1,800 <br />550 <br /><10.0 <br />30 <br />24 <br />05/16/00 <br />19.47 <br />0.00 <br />-9.20 <br />690 <br />130 <br />3.5 <br />7.0 <br />4.7 <br />16 <br /><100 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br />08/30/00 <br />20.49 <br />0.00 <br />-10.22 <br />98 <br />130 <br />26 <br /><0.500 <br />0.88 <br />0.85 <br />7.2 <br /><100 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br />11/21/00 <br />21.33 <br />0.00 <br />-11.06 <br />1,500 <br />460 <br />250 <br />2.8 <br />26 <br />36 <br />27 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />02/15/01 <br />21.35 <br />0.00 <br />-11.08 <br />780 <br />290 <br />160 <br /><5.00 <br />7.9 <br />12 <br />21 <br /><200 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br />05/17/01 <br />20.68 <br />0.00 <br />-10.41 <br /><50 <br /><50 <br />1.8 <br /><0.50 <br /><0.50 <br /><0.50 <br />5.7 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />08/16/01 <br />22.15 <br />0.00 <br />-11.88 <br />200 <br /><100 <br />21 <br /><0.50 <br />0.72 <br />0.83 <br />6.4 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />12/06/01 <br />23.15 <br />0.00 <br />-12.88 <br />2,100 <br /><250 <br />300 <br />3.2 <br />12 <br />21 <br />27 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />02/14/02 <br />9.34 <br />21.62 <br />0.00 <br />-12.28 <br />760 <br /><100 <br />150 <br />1.4 <br />4.3 <br />4.5 <br />14 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />05/31/02 <br />21.60 <br />0.00 <br />-12.26 <br />460 <br /><100 <br />42 <br /><0.50 <br />0.95 <br />0.75 <br />7.5 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />08/23/02 <br />22.86 <br />0.00 <br />-13.52 <br />400 <br /><100 <br />32 <br /><0.50 <br />1.1 <br />1.1 <br />6.7 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />09/27/02 <br />23.30 <br />0.00 <br />-13.96 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />11/13/02 <br />23.82 <br />0.00 <br />-14.48 <br />1,100 <br /><200 <br />130 <br />1.9 <br />9.8 <br />16 <br />13 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />2.5 <br />02/11/03 <br />22.86 <br />0.00 <br />-13.52 <br />880 <br /><200 <br />72 <br />0.85 <br />2.6 <br />2.2 <br />16 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />0.9 <br />05/29/03 <br />22.48 <br />0.00 <br />-13.14 <br />220 <br />150 <br />2.8 <br /><0.50 <br /><0.50 <br /><0.50 <br />6.3 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />- <br />08/14/03 <br />23.41 <br />0.00 <br />-14.07 <br />250 <br />92 <br />12 <br /><0.50 <br /><0.50 <br /><1.0 <br />8.2 <br />13 <br /><2.0 <br /><2.0 <br /><2.0 <br /><0.50 <br /><0.50 <br />11/03/03 <br />24.18 <br />0.00 <br />-14.84 <br />2,000 <br />370 <br />180 <br />2.7 <br />13 <br />13 <br />86 <br />120 <br /><4.0 <br /><4.0 <br /><4.0 <br /><1.0 <br /><1.0 <br />02/09/04 <br />23.45 <br />0.00 <br />-14.11 <br />180 <br />190 <br />1.4 <br /><0.50 <br /><0.50 <br /><1.0 <br />8.5 <br />6.7 <br />- <br />- <br />- <br /><0.50 <br /><0.50 <br />05/10/04 <br />22.91 <br />0.00 <br />-13.57 <br />920 <br />73 <br />52 <br /><1.0 <br />4.2 <br />2.6 <br />55 <br />50 <br />- <br />- <br />- <br /><1.0 <br /><1.0 <br />08/09/04 <br />24.10 <br />0.00 <br />-14.76 <br />360 <br />140 <br />15 <br /><0.50 <br />0.77 <br /><1.0 <br />23 <br />27 <br /><2.0 <br /><2.0 <br /><2.0 <br /><50 <br /><0.50 <br /><0.50 <br />11/15/04 <br />1 <br />24.95 <br />0.00 <br />-15.61 <br />1 280 <br />58 <br />7.2 <br /><0.50 <br /><0.50 <br /><1.0 <br />14 <br />19 <br />- <br />- <br />- <br />- <br /><0.50 <br /><0.50 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 68 of 116 Stantec <br />