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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 />(lig/ <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-10 03/18/93 <br />10.83 <br />40.70 <br />0.00 <br />-29.87 <br />17,000 <br />1,400 <br />68 <br />100 <br />330 <br />06/10/93 <br />39.70 <br />0.00 <br />-28.87 <br />12,000 <br />3,100 <br />27 <br />16 <br />160 <br />09/20/93 <br />- <br />- <br />- <br />10,000 <br />2,500 <br />13 <br />14 <br />140 <br />10/22/93 <br />40.17 <br />0.00 <br />-29.34 <br />- <br />- <br />- <br />- <br />- <br />12/22/93 <br />39.98 <br />0.00 <br />-29.15 <br />- <br />- <br />- <br />- <br />- <br />03/16/94 <br />39.25 <br />0.00 <br />-28.42 <br />19,000 <br />3,600 <br />150 <br />53 <br />330 <br />06/15/94 <br />38.87 <br />0.00 <br />-28.04 <br />5,000 <br />3,700 <br />18 <br />20 <br />96 <br />09/22/94 <br />40.31 <br />0.00 <br />-29.48 <br />9,400 <br />3,300 <br />40 <br />24 <br />110 <br />12/01/94 <br />40.22 <br />0.00 <br />-29.39 <br />14,000 <br />4,000 <br />37 <br />33 <br />180 <br />02/16/95 <br />37.13 <br />0.00 <br />-26.30 <br />9,600 <br />4,900 <br />45 <br />33 <br />140 <br />05/17/95 <br />32.80 <br />0.00 <br />-21.97 <br />10,000 <br />2,100 <br />24 <br />23 <br />100 <br />08/15/95 <br />32.55 <br />0.00 <br />-21.72 <br />3,100 <br />820 <br />13 <br /><5 <br />38 <br />11/16/95 <br />32.94 <br />0.00 <br />-22.11 <br />3,000 <br />1,200 <br />6.0 <br />3.7 <br />28 <br />02/27/96 <br />30.08 <br />0.00 <br />-19.25 <br />110 <br />51 <br /><0.5 <br /><0.5 <br /><0.5 <br />05/15/96 <br />28.45 <br />0.00 <br />-17.62 <br />8,100 <br />3,600 <br />20 <br />11 <br />67 <br />08/22/96 <br />29.15 <br />0.00 <br />-18.32 <br />7,100 <br />3,000 <br />29 <br />9.8 <br />58 <br />11/25/96 <br />26.00 <br />0.00 <br />-15.17 <br />6,500 <br />2,600 <br />14 <br />100 <br />4.6 <br />02/24/97 <br />25.42 <br />0.00 <br />-14.59 <br />9,800 <br />4,100 <br />24 <br />14 <br />82 <br />05/19/97 <br />25.02 <br />0.00 <br />-14.19 <br />6,100 <br />2,000 <br />16 <br />8.7 <br />46 <br />08/21/97 <br />26.05 <br />0.00 <br />-15.22 <br />5,000 <br />1,600 <br />10 <br />4.4 <br />28 <br />11/18/97 <br />26.97 <br />0.00 <br />-16.14 <br />1,100 <br />2,000 <br />2.9 <br />1.4 <br />6.7 <br />02/09/98 <br />24.79 <br />0.00 <br />-13.96 <br />9,100 <br />3,900 <br />24 <br />11 <br />66 <br />05/21/98 <br />20.51 <br />0.00 <br />-9.68 <br />9,900 <br />2,100 <br />11 <br /><10 <br />48 <br />08/11/98 <br />20.60 <br />0.00 <br />-9.77 <br />3,400 <br />880 <br />15 <br />6.0 <br />21 <br />11/09/98 <br />21.79 <br />0.00 <br />-10.96 <br />4,400 <br />1,100 <br /><2.5 <br />3.5 <br />21 <br />02/17/99 <br />21.83 <br />0.00 <br />-11.00 <br /><50.0 <br />1.3 <br /><0.500 <br /><0.500 <br /><0.500 <br />05/25/99 <br />20.36 <br />0.00 <br />-9.53 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />08/18/99 <br />20.21 <br />0.00 <br />-9.38 <br />4,100 <br />450 <br />49 <br /><5.00 <br />8.0 <br />11/05/99 <br />22.32 <br />0.00 <br />-11.49 <br />3,300 <br />820 <br /><10.0 <br /><10.0 <br />15 <br />02/22/00 <br />20.13 <br />0.00 <br />-9.30 <br />2,800 <br />1,000 <br />16 <br /><10.0 <br />33 <br />05/16/00 <br />20.03 <br />0.00 <br />-9.20 <br />2,400 <br />440 <br />10 <br /><5.00 <br />8.0 <br /><2.00 <br /><100 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br />08/30/00 <br />21.30 <br />0.00 <br />-10.47 <br />790 <br />76 <br />67 <br />1.9 <br /><0.500 <br />0.70 <br /><2.00 <br /><100 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br />11/21/00 <br />22.05 <br />0.00 <br />-11.22 <br />1,900 <br />60 <br />730 <br /><10.0 <br /><10.0 <br /><10.0 <br /><10 <br /><250 <br /><10 <br /><10 <br /><10 <br /><10 <br /><10 <br />02/15/01 <br />22.09 <br />0.00 <br />-11.26 <br />1,100 <br />62 <br />240 <br />2.8 <br /><2.50 <br />1.1 <br /><2.00 <br /><200 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br />05/17/01 <br />22.71 <br />0.00 <br />-11.88 <br />720 <br /><50 <br />55 <br /><0.50 <br /><0.50 <br />1.1 <br /><0.50 <br />6.8 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />08/16/01 <br />22.88 <br />0.00 <br />-12.05 <br />380 <br /><50 <br />19 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />12/06/01 <br />23.82 <br />0.00 <br />-12.99 <br />2,100 <br /><50 <br />280 <br />2.5 <br />0.94 <br />5.0 <br /><0.50 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />02/14/02 <br />9.84 <br />22.34 <br />0.00 <br />-12.50 <br />870 <br />96 <br />14 <br /><0.50 <br /><0.50 <br />0.62 <br /><0.50 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />05/31/02 <br />22.31 <br />0.00 <br />-12.47 <br />2,200 <br /><50 <br />220 <br />2.1 <br />0.88 <br />4.2 <br /><0.50 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />08/23/02 <br />23.60 <br />0.00 <br />-13.76 <br />900 <br />93 <br />9.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />09/27/02 <br />24.06 <br />0.00 <br />-14.22 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />11/13/02 <br />24.49 <br />0.00 <br />-14.65 <br />1,400 <br />84 <br />52 <br />0.95 <br /><0.50 <br />1.9 <br /><0.50 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />0.7 <br />02/11/03 <br />23.48 <br />0.00 <br />-13.64 <br />1,500 <br /><200 <br />73 <br />1.2 <br />0.60 <br />2.4 <br /><0.50 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />1.3 <br />05/29/03 <br />23.23 <br />0.00 <br />-13.39 <br />2,500 <br />650 <br />210 <br />4.0 <br />1.4 <br />8.5 <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 />24.20 <br />0.00 <br />-14.36 <br />1,800 <br />85 <br />130 <br />3.0 <br /><2.5 <br />5.9 <br /><2.5 <br /><25 <br /><10 <br /><10 <br /><10 <br /><2.5 <br /><2.5 <br />11/03/03 <br />1 <br />24.90 <br />0.00 <br />-15.06 <br />1 2,900 <br />150 <br />200 <br />5.6 <br /><2.5 <br />11 <br /><2.5 <br /><25 <br /><10 <br /><10 <br /><10 <br /><2.5 <br /><2.5 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 78 of 116 Stantec <br />