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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 />(pg/L) <br />TPHd <br />(pg/L) <br />Motor <br />Oil <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 />(pg/L) <br />EDB <br />(pg/L) <br />D.O. <br />(mg/L) <br />Comments <br />SMW-15 04/22/13 <br />11.13 <br />16.47 <br />0.00 <br />-5.34 <br />- <br />- - - <br />- <br />- <br />- <br />- <br />- <br />- - - - - - <br />- 0.36 <br />04/23/13 <br />- <br />- <br />- <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />- <br />10/14/13 <br />NSP <br />17.99 <br />0.00 <br />-6.86 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/22/14 <br />17.53 <br />0.00 <br />-6.40 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />0.31 <br />10/20/14 <br />NSP <br />19.50 <br />0.00 <br />-8.37 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/27/15 <br />17.81 <br />0.00 <br />-6.68 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.38 <br />04/28/15 <br />- <br />- <br />- <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.0 <br /><0.50 <br />6.3 <br />- <br />10/19/15 <br />NSP <br />19.79 <br />0.00 <br />-8.66 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/11/16 <br />17.94 <br />0.00 <br />-6.81 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.26 <br />04/13/16 <br />- <br />- <br />- <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.5 <br /><0.50 <br /><5.0 <br />- <br />12/12/16 <br />NSP <br />19.08 <br />0.00 <br />-7.95 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/10/17 <br />11.31 <br />13.28 <br />0.00 <br />-1.97 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/12/17 <br />- <br />- <br />- <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.5 <br />0.60 <br /><5.0 <br />0.31 <br />10/24/17 <br />NSP <br />15.71 <br />0.00 <br />-4.40 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/07/18 <br />14.72 <br />0.00 <br />-3.41 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />2.55 <br />05/08/18 <br />- <br />- <br />- <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br />1.1 <br /><10.0 <br />- <br />05/28/19 <br />12.67 <br />0.00 <br />-1.36 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.55 <br />05/29/19 <br />- <br />- <br />- <br /><100 <br /><1.00 <br /><1.00 <br /><1.00 <br /><3.00 <br /><1.00 <br /><5.00 <br />- <br />11/25/19 <br />NSP <br />14.89 <br />0.00 <br />-3.58 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/01/20 <br />14.18 <br />0.00 <br />-2.87 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br />0.3 <br />11/09/20 <br />NSP <br />15.94 <br />0.00 <br />-4.63 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/07/21 <br />15.09 <br />0.00 <br />-3.78 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br />6.65 <br />11/22/21 <br />NS <br />15.86 <br />0.00 <br />-4.55 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/06/22 <br />14.87 <br />0.00 <br />-3.56 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br />0.16 <br />11/23/22 <br />NS <br />16.94 <br />0.00 <br />-5.63 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />SMW-16 10/22/93 <br />9.43 <br />38.82 <br />0.00 <br />-29.39 <br /><50 <br /><0.50 <br /><1.0 <br /><1.0 <br /><1.0 <br />12/22/93 <br />38.48 <br />0.00 <br />-29.05 <br />- <br />- <br />- <br />- <br />- <br />03/16/94 <br />- <br />- <br />06/15/94 <br />09/22/94 <br />12101/94 <br />- <br />- <br />02/16/95 <br />35.80 <br />0.00 <br />-26.37 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />05/17/95 <br />31.51 <br />0.00 <br />-22.08 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br />0.79 <br />08/15/95 <br />31.20 <br />0.00 <br />-21.77 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />11/16/95 <br />30.67 <br />0.00 <br />-21.24 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />02/27/96 <br />28.90 <br />0.00 <br />-19.47 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />05/15/96 <br />27.32 <br />0.00 <br />-17.89 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />08/22/96 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />11 /25/96 <br />02/24/97 <br />05/19/97 <br />08121/97 <br />11/18/97 <br />02/09/98 <br />05/21/98 <br />08/11/98 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 93 of 116 Stantec <br />