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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-14 12/12/16 <br />NSP <br />11.02 <br />18.64 <br />0.00 <br />-7.62 <br />- <br />- <br />- - <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- - - <br />- <br />- <br />- <br />04/10/17 <br />10.92 <br />12.79 <br />0.00 <br />-1.87 <br />04/12/17 <br />- <br />- <br />- <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.5 <br />1.0 <br /><5.0 <br /><0.50 <br />0.17 <br />10/24/17 <br />NSP <br />15.48 <br />0.00 <br />-4.56 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/07/18 <br />14.21 <br />0.00 <br />-3.29 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br />0.66 <br /><10.0 <br /><0.500 <br />0.93 <br />05/28/19 <br />12.58 <br />0.00 <br />-1.66 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.80 <br />05/31/19 <br />- <br />- <br />- <br /><100 <br /><1.00 <br /><1.00 <br /><1.00 <br /><3.00 <br /><1.00 <br /><5.00 <br /><1.00 <br />- <br />11/25/19 <br />NSP <br />14.78 <br />0.00 <br />-3.86 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/01/20 <br />14.10 <br />0.00 <br />-3.18 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br /><0.5 <br />0.78 <br />11/09/20 <br />NSP <br />15.76 <br />0.00 <br />-4.84 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/05/21 <br />14.87 <br />0.00 <br />-3.95 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br />0.53 <br /><5 <br /><0.5 <br />2.61 <br />11/22/21 <br />NS <br />15.59 <br />0.00 <br />-4.67 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/05/22 <br />14.57 <br />0.00 <br />-3.65 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br /><0.500 <br />1.26 <br />11/23/22 <br />NS <br />16.84 <br />0.00 <br />-5.92 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />SMW-15 09/20/93 <br />- <br />- <br />- <br />- <br />12,000 <br />2,700 <br />80 <br />42 <br />200 <br />10/22/93 <br />9.88 <br />39.64 <br />0.00 <br />-29.76 <br />- <br />- <br />- <br />- <br />- <br />12/22/93 <br />39.35 <br />0.00 <br />-29.47 <br />03/16/94 <br />- <br />- <br />06/15/94 <br />09/22/94 <br />12/01/94 <br />- <br />- <br />02/16/95 <br />36.93 <br />0.00 <br />-27.05 <br />12,000 <br />3,100 <br />71 <br />51 <br />190 <br />05/17/95 <br />32.27 <br />0.00 <br />-22.39 <br />200 <br />65 <br />1.6 <br />0.59 <br />2.0 <br />08/15/95 <br />31.70 <br />0.00 <br />-21.82 <br />4,100 <br />1,100 <br />28 <br />13 <br />50 <br />11/16/95 <br />32.12 <br />0.00 <br />-22.24 <br />8,300 <br />2,400 <br />52 <br />74 <br />150 <br />02/27/96 <br />29.38 <br />0.00 <br />-19.50 <br />11,000 <br />3,000 <br />92 <br />140 <br />210 <br />05/15/96 <br />27.59 <br />0.00 <br />-17.71 <br />8,400 <br />2,900 <br />59 <br />65 <br />170 <br />08/22/96 <br />28.25 <br />0.00 <br />-18.37 <br />8,800 <br />2,500 <br />75 <br />51 <br />180 <br />11/25/96 <br />28.30 <br />0.00 <br />-18.42 <br />8,600 <br />2,800 <br />77 <br />45 <br />260 <br />02/24/97 <br />24.33 <br />0.00 <br />-14.45 <br />7,400 <br />1,700 <br />48 <br />12 <br />150 <br />05/19/97 <br />24.20 <br />0.00 <br />-14.32 <br />4,200 <br />860 <br />32 <br />5.4 <br />43 <br />08/21/97 <br />25.17 <br />0.00 <br />-15.29 <br />8,700 <br />1,800 <br />47 <br />21 <br />130 <br />11/18/97 <br />26.12 <br />0.00 <br />-16.24 <br />6,800 <br />1,100 <br />32 <br />17 <br />120 <br />02/09/98 <br />23.66 <br />0.00 <br />-13.78 <br />5,600 <br />1,400 <br />30 <br />9.1 <br />55 <br />05/21/98 <br />19.54 <br />0.00 <br />-9.66 <br />5,100 <br />860 <br />28 <br />17 <br />68 <br />08/11/98 <br />19.65 <br />0.00 <br />-9.77 <br />1,400 <br />150 <br />8.0 <br /><2.5 <br />14 <br />11/09/98 <br />20.70 <br />0.00 <br />-10.82 <br />3,000 <br />480 <br />15 <br />6.4 <br />35 <br />02/17/99 <br />20.55 <br />0.00 <br />-10.67 <br />3,300 <br />910 <br />24 <br /><2.50 <br />43 <br />05/25/99 <br />19.25 <br />0.00 <br />-9.37 <br />7,200 <br />1,900 <br />38 <br />20 <br />65 <br />08/18/99 <br />20.33 <br />0.00 <br />-10.45 <br />2,300 <br />610 <br />14 <br /><10.0 <br />37 <br />11/05/99 <br />21.20 <br />0.00 <br />-11.32 <br />130 <br />22 <br />0.63 <br /><0.500 <br /><0.500 <br />02/22/00 <br />21.33 <br />0.00 <br />-11.45 <br />250 <br />24 <br />9.5 <br />4.1 <br />20 <br />05/16/00 <br />18.97 <br />0.00 <br />-9.09 <br /><50.0 <br />- <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 />20.03 <br />0.00 <br />-10.15 <br /><50.0 <br />77 <br />1.7 <br /><0.500 <br /><0.500 <br />1.1 <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 />24.00 <br />0.00 <br />-14.12 <br /><50.0 <br />59 <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 />1 <br />21.15 <br />0.00 <br />-11.27 <br />1 <50.0 <br />83 <br /><0.500 <br /><0.500 <br /><0.500 <br /><0.500 <br />3.7 <br /><200 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 91 of 116 Stantec <br />