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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 />(le 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 />(pg/L) <br />TPHd <br />(pg/L) <br />Motor <br />Oil <br />(p9/ <br />B <br />(pg/L) <br />T <br />(pg/L) <br />E <br />(pg/L) <br />X <br />(pg/L) <br />MTBE <br />(pg/L) <br />TBA <br />(pg/L) <br />DIPE <br />(pg/L) <br />ETBE <br />(pg/L) <br />TAME <br />(pg/L) <br />Ethanol <br />(pg/L) <br />McOH <br />(pg/L) <br />1,2- <br />DCA <br />(p9/L) <br />EDB <br />(p9/L) <br />D.O. <br />(mg/L) <br />Comments <br />SMW-16 11/09/98 <br />DRY <br />9.43 <br />02/17/99 <br />DRY <br />05/25/99 <br />DRY <br />08/18/99 <br />DRY <br />11/05/99 <br />DRY <br />02/22/00 <br />DRY <br />05/16/00 <br />DRY <br />08/30/00 <br />DRY <br />11/21/00 <br />INA <br />02/15/01 <br />INA <br />05/17/01 <br />INA <br />08/16/01 <br />INA <br />11/15/01 <br />DEST <br />SMW-17 09/20/93 <br />- <br />- <br />- <br />- <br />1,100 <br />140 <br />4.8 <br />51 <br />63 <br />10/22/93 <br />10.74 <br />40.43 <br />0.00 <br />-29.69 <br />- <br />- <br />- <br />- <br />- <br />12/22/93 <br />40.23 <br />0.00 <br />-29.49 <br />03/16/94 <br />- <br />- <br />06/15/94 <br />09/22/94 <br />12101/94 <br />- <br />- <br />02/16/95 <br />37.48 <br />0.00 <br />-26.74 <br />210 <br />0.57 <br />0.79 <br /><0.5 <br /><0.5 <br />05/17/95 <br />33.06 <br />0.00 <br />-22.32 <br />130 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />08/15/95 <br />32.70 <br />0.00 <br />-21.96 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />11/16/95 <br />33.10 <br />0.00 <br />-22.36 <br />310 <br />9.9 <br /><0.5 <br />7.2 <br /><0.5 <br />02/27/96 <br />30.38 <br />0.00 <br />-19.64 <br />770 <br />79 <br />4.8 <br />60 <br />5.1 <br />05/15/96 <br />28.83 <br />0.00 <br />-18.09 <br />4,100 <br />780 <br />50 <br />300 <br />130 <br />08/22/96 <br />29.00 <br />0.00 <br />-18.26 <br /><50 <br />1.1 <br /><0.5 <br /><0.5 <br /><0.5 <br />11/25/96 <br />28.90 <br />0.00 <br />-18.16 <br /><50 <br /><0.5 <br />0.80 <br />0.62 <br />5.3 <br />02/24/97 <br />25.93 <br />0.00 <br />-15.19 <br />340 <br />75 <br /><0.5 <br />16 <br />11 <br />05/19/97 <br />25.15 <br />0.00 <br />-14.41 <br />64 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />08/21/97 <br />25.77 <br />0.00 <br />-15.03 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />11/18/97 <br />26.65 <br />0.00 <br />-15.91 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />02/09/98 <br />24.90 <br />0.00 <br />-14.16 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />05121/98 <br />19.87 <br />0.00 <br />-9.13 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />08/11/98 <br />20.41 <br />0.00 <br />-9.67 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />11/09/98 <br />21.41 <br />0.00 <br />-10.67 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.95 <br />02/17/99 <br />21.48 <br />0.00 <br />-10.74 <br /><50.0 <br />0.68 <br /><0.500 <br /><0.500 <br /><0.500 <br />05/25/99 <br />20.12 <br />0.00 <br />-9.38 <br /><500 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br />08/18/99 <br />20.86 <br />0.00 <br />-10.12 <br />250 <br />79 <br />11 <br />7.7 <br />18 <br />11/05/99 <br />20.09 <br />0.00 <br />-9.35 <br /><50.0 <br /><0.500 <br /><0.500 <br /><0.500 <br /><0.500 <br />02/22/00 <br />20.47 <br />0.00 <br />-9.73 <br />170 <br />6.2 <br />18 <br />6.7 <br />31 <br />05/16/00 <br />20.03 <br />0.00 <br />-9.29 <br /><50.0 <br /><0.500 <br /><0.500 <br /><0.500 <br /><0.500 <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 />21.14 <br />0.00 <br />-10.40 <br /><50.0 <br /><50.0 <br /><0.500 <br /><0.500 <br /><0.500 <br /><0.500 <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 />21.59 <br />0.00 <br />-10.85 <br /><50.0 <br /><50.0 <br /><0.500 <br /><0.500 <br /><0.500 <br /><0.500 <br /><2.0 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />02/15/01 <br />21.91 <br />0.00 <br />-11.17 <br /><50.0 <br /><50.0 <br /><0.500 <br /><0.500 <br /><0.500 <br /><0.500 <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 />1 <br />21.32 <br />0.00 <br />-10.58 <br />1 <50 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 94 of 116 Stantec <br />