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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-10 02/09/04 <br />9.84 <br />24.43 <br />0.00 <br />-14.59 <br />1,800 <br />180 <br />91 <br />3.5 <br />1.2 <br />6.1 <br /><1.0 <br />14 <br /><1.0 <br /><1.0 <br />05/10/04 <br />23.64 <br />0.00 <br />-13.80 <br />950 <br />89 <br />22 <br /><2.5 <br /><2.5 <br /><5.0 <br /><2.5 <br /><25 <br /><2.5 <br /><2.5 <br />08/09/04 <br />24.97 <br />0.00 <br />-15.13 <br />1,700 <br />130 <br />31 <br />1.9 <br />0.54 <br />3.4 <br /><0.50 <br />16 <br /><0.50 <br /><0.50 <br />11/15/04 <br />25.76 <br />0.00 <br />-15.92 <br />1,300 <br />77 <br />22 <br />1.3 <br /><0.50 <br />2.3 <br /><0.50 <br />21 <br /><0.50 <br /><0.50 <br />02/08/05 <br />24.59 <br />0.00 <br />-14.75 <br />2,000 <br />58 <br />48 <br />2.7 <br /><0.50 <br />4.9 <br /><0.50 <br />22 <br /><0.50 <br /><0.50 <br />05/09/05 <br />INA <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />08/08/05 <br />22.78 <br />0.00 <br />-12.94 <br />730 <br />53 <br />20 <br />1.2 <br /><0.50 <br />2.5 <br /><0.50 <br />11 <br /><0.50 <br /><0.50 <br />11/07/05 <br />23.97 <br />0.00 <br />-14.13 <br />2,900 <br />160 <br />96 <br />8.4 <br />6.2 <br />33 <br />0.68 <br />30 <br /><0.50 <br /><0.50 <br />02/06/06 <br />22.71 <br />0.00 <br />-12.87 <br />1,500 <br />60 <br />41 <br />3.3 <br /><1.0 <br />12 <br /><1.0 <br />36 <br /><1.0 <br /><1.0 <br />05/08/06 <br />20.04 <br />0.00 <br />-10.20 <br />2,600 <br />350 <br />43 <br />5.5 <br />1.8 <br />12 <br /><1.0 <br /><10 <br /><0.50 <br /><1.0 <br />08/07/06 <br />20.48 <br />0.00 <br />-10.64 <br />3,800 <br />120 <br />68 <br />3.2 <br />1.5 <br />9.7 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br />10/30/06 <br />21.27 <br />0.00 <br />-11.43 <br />3,900 <br />140 <br />110 <br />4.9 <br />2.3 <br />12 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br />01/29/07 <br />21.60 <br />0.00 <br />-11.76 <br />3,500 <br />180 <br />110 <br />4.3 <br />2.0 <br />10 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br />05/07/07 <br />17.65 <br />0.00 <br />-7.81 <br />3,600 <br />410 <br />130 <br />7.8 <br />6.1 <br />25 <br /><1.0 <br /><10 <br /><0.50 <br /><1.0 <br />08/06/07 <br />21.35 <br />0.00 <br />-11.51 <br />4,900 <br />350 N <br />61 <br />3.5 <br />1.8 <br />10 <br />0.35 k <br />15 <br /><0.50 <br /><1.0 <br />11/05/07 <br />INA <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />11/20/07 <br />22.17 <br />0.00 <br />-12.33 <br />3,800 <br />230 N <br />42 <br />2.6 <br />1.4 <br />10 <br /><1.0 <br />12 <br /><0.50 <br /><1.0 <br />02/04/08 <br />21.19 <br />0.00 <br />-11.35 <br />1,900 <br />120 N <br />37 <br />2.4 <br /><1.0 <br />8.5 <br /><1.0 <br />17 <br /><0.50 <br /><1.0 <br />05/05/08 <br />20.40 <br />0.00 <br />-10.56 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/06/08 <br />- <br />- <br />- <br />2,200 <br />57 <br />10 <br /><1.0 <br /><1.0 <br />3.0 <br /><1.0 <br /><10 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br /><0.50 <br /><1.0 <br />08/04/08 <br />21.10 <br />0.00 <br />-11.26 <br />3,800 <br />53 <br />28 <br />1.6 <br /><1.0 <br />6.3 <br /><1.0 <br /><10 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br /><0.50 <br /><1.0 <br />10/28/08 <br />22.04 <br />0.00 <br />-12.20 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/29/08 <br />- <br />- <br />- <br />2,400 <br />69 <br />31 <br />1.6 <br /><1.0 <br />4.5 <br /><1.0 <br />13 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br /><0.50 <br /><1.0 <br />01/27/09 <br />21.45 <br />0.00 <br />-11.61 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />01/28/09 <br />- <br />- <br />- <br />2,700 <br /><50 <br />27 <br />1.4 <br /><1.0 <br />6.4 <br /><1.0 <br /><10 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br /><0.50 <br /><1.0 <br />04/27/09 <br />20.84 <br />0.00 <br />-11.00 <br />1,000 <br />520 N <br />0.70 <br /><1.0 <br /><1.0 <br /><1.0 <br /><1.0 <br />16 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br /><0.50 <br /><1.0 <br />10/14/09 <br />21.60 <br />0.00 <br />-11.76 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/15/09 <br />- <br />- <br />- <br />2,200 <br />57 <br />4.6 <br /><1.0 <br /><1.0 <br />1.3 <br /><1.0 <br />10 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br /><0.50 <br /><1.0 <br />05/24/10 <br />19.06 <br />0.00 <br />-9.22 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/25/10 <br />- <br />- <br />- <br />2,000 <br />66 N <br />16 <br />1.1 <br /><1.0 <br />5.4 <br /><1.0 <br /><10 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br /><0.50 <br /><1.0 <br />10/04/10 <br />12.16 <br />20.44 <br />0.00 <br />-8.28 <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 /><0.50 <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 />18.27 <br />0.00 <br />-6.11 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.27 <br />Cross -screened <br />10/16/12 <br />NSP <br />19.21 <br />0.00 <br />-7.05 <br />04/22/13 <br />NSP <br />17.54 <br />0.00 <br />-5.38 <br />10/14/13 <br />NSP <br />18.98 <br />0.00 <br />-6.82 <br />04/22/14 <br />NSP <br />18.50 <br />0.00 <br />-6.34 <br />10/20/14 <br />NSP <br />19.03 <br />0.00 <br />-6.87 <br />04/27/15 <br />NSP <br />- <br />- <br />07/09/15 <br />DEST <br />- <br />SMW-10-81 11/02/05 <br />24.37 <br />0.00 <br />11/07/05 <br />24.19 <br />0.00 <br />9,000 <br />290 d <br />2,600 <br />320 <br />150 <br />290 <br /><10 <br /><100 <br /><40 <br /><40 <br />48 <br /><1,000 <br />02/06/06 <br />23.18 <br />0.00 <br />2,500 <br />130 <br />1,300 <br />150 <br />75 <br />160 <br />- <br />- <br />- <br />- <br />- <br />- <br />05/08/06 <br />20.46 <br />0.00 <br />8,500 N <br />930 <br />2,800 <br />290 <br />140 <br />200 <br />08/07/06 <br />9.82 <br />22.76 <br />0.00 <br />-12.94 <br />38,000 <br />1,100 <br />16,000 <br />290 <br />710 <br />660 <br />10/30/06 <br />21.44 <br />0.00 <br />-11.62 <br />22,000 <br />1,400 <br />13,000 <br />430 <br />250 <br />430 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 79 of 116 Stantec <br />