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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 />SMW-1 10/14/09 <br />9.27 <br />21.05 <br />0.00 <br />-11.78 <br />- <br />- <br />- - <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- - <br />- <br />- - <br />10/15/09 <br />- <br />- <br />- <br />320 <br />64 N <br />5.2 <br /><1.0 <br />1.6 <br />1.6 <br />2.1 <br /><10 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br /><0.50 <br /><1.0 <br />05/24/10 <br />18.05 <br />0.00 <br />-8.78 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/25/10 <br />- <br />- <br />- <br />1,800 <br />360 N <br />91 <br /><1.0 <br />33 <br />39 <br />4.7 <br /><10 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br /><0.50 <br /><1.0 <br />10/04/10 <br />11.70 <br />19.50 <br />0.00 <br />-7.80 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/16/10 <br />- <br />- <br />- <br /><50 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.99 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br />04/04/11 <br />NS <br />17.35 <br />0.00 <br />-5.65 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.17 <br />Cross -screened <br />10/16/12 <br />NSP <br />18.11 <br />0.00 <br />-6.41 <br />04/22/13 <br />NSP <br />16.82 <br />0.00 <br />-5.12 <br />10/14/13 <br />NSP <br />18.21 <br />0.00 <br />-6.51 <br />04/22/14 <br />NSP <br />17.68 <br />0.00 <br />-5.98 <br />10/20/14 <br />NSP <br />12.60 <br />0.00 <br />-0.90 <br />04/27/15 <br />NSP <br />17.49 <br />0.00 <br />-5.79 <br />07/09/15 <br />DEST <br />- <br />- <br />- <br />SMW-2 02/05/92 <br />11.10 <br />40.75 <br />0.00 <br />-29.65 <br />1,600 <br />13 <br /><1.0 <br /><1.0 <br />4.8 <br />05/15/92 <br />40.01 <br />0.00 <br />-28.91 <br />190 <br />2.6 <br />0.70 <br /><1.0 <br />0.49 <br />10/15/92 <br />42.02 <br />0.00 <br />-30.92 <br />- <br />- <br />- <br />- <br />- <br />12/17/92 <br />42.64 <br />0.00 <br />-31.54 <br />1,800 <br />26 <br />2.3 <br /><1.0 <br />12 <br />03/18/93 <br />40.10 <br />0.00 <br />-29.00 <br />1,700 <br />130 <br />1.7 <br />0.70 <br />16 <br />06/10/93 <br />38.61 <br />0.00 <br />-27.51 <br />1,300 <br />92 <br />2.4 <br />0.80 <br />18 <br />09/20/93 <br />- <br />- <br />- <br />2,300 <br />120 <br />3.4 <br />8.5 <br />64 <br />10/22/93 <br />39.66 <br />0.00 <br />-28.56 <br />- <br />- <br />- <br />- <br />- <br />12/22/93 <br />39.75 <br />0.00 <br />-28.65 <br />- <br />- <br />- <br />- <br />- <br />03/16/94 <br />38.94 <br />0.00 <br />-27.84 <br />2,400 <br />100 <br />11 <br />3.4 <br />44 <br />06/15/94 <br />38.60 <br />0.00 <br />-27.50 <br />2,600 <br />170 <br />10 <br />4.3 <br />39 <br />09/22/94 <br />39.75 <br />0.00 <br />-28.65 <br />4,500 <br />83 <br />50 <br />2.4 <br />29 <br />12/01/94 <br />39.38 <br />0.00 <br />-28.28 <br />3,900 <br />86 <br />11 <br /><3 <br />28 <br />02/16/95 <br />36.66 <br />0.00 <br />-25.56 <br />4,000 <br />81 <br />8.7 <br /><3 <br />27 <br />05/17/95 <br />32.46 <br />0.00 <br />-21.36 <br />1,400 <br />38 <br />3.3 <br />0.84 <br />9.7 <br />08/15/95 <br />31.97 <br />0.00 <br />-20.87 <br />1,700 <br />59 <br />17 <br />1.5 <br />28 <br />11/16/95 <br />31.95 <br />0.00 <br />-20.85 <br />850 <br />11 <br />0.62 <br /><0.5 <br />7.6 <br />02/27/96 <br />29.10 <br />0.00 <br />-18.00 <br />530 <br />17 <br /><0.5 <br /><0.5 <br />3.3 <br />05/15/96 <br />27.12 <br />0.00 <br />-16.02 <br />220 <br />2.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />08/22/96 <br />27.77 <br />0.00 <br />-16.67 <br />130 <br />0.69 <br />0.98 <br /><0.5 <br /><0.5 <br />11/25/96 <br />27.40 <br />0.00 <br />-16.30 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />02/24/97 <br />24.13 <br />0.00 <br />-13.03 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />05/19/97 <br />23.58 <br />0.00 <br />-12.48 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />08/21/97 <br />24.26 <br />0.00 <br />-13.16 <br />59 <br />0.75 <br /><0.5 <br /><0.5 <br />2.5 <br />11/18/97 <br />26.00 <br />0.00 <br />-14.90 <br /><50 <br />0.55 <br /><0.5 <br /><0.5 <br /><0.5 <br />02/09/98 <br />23.69 <br />0.00 <br />-12.59 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />05/21/98 <br />19.80 <br />0.00 <br />-8.70 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />08/11/98 <br />20.10 <br />0.00 <br />-9.00 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />11/09/98 <br />21.10 <br />0.00 <br />-10.00 <br />58 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />02/17/99 <br />20.43 <br />0.00 <br />-9.33 <br /><50.0 <br /><0.500 <br /><0.500 <br /><0.500 <br /><0.500 <br />05/25/99 <br />19.89 <br />0.00 <br />-8.79 <br />400 <br />120 <br />36 <br />11 <br />51 <br />08/18/99 <br />1 <br />20.13 <br />0.00 <br />-9.03 <br />1 170 <br />9.7 <br /><0.500 <br />7.1 <br />20 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 58 of 116 Stantec <br />