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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-11 01/28/09 <br />9.04 <br />- <br />- <br />- <br />3,200 <br />120 N <br />420 <br />37 <br />12 <br />31 <br /><10 <br /><100 <br /><20 <br /><20 <br /><20 <br /><1,000 <br /><5.0 <br /><10 <br />04/27/09 <br />20.07 <br />0.00 <br />-11.03 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/28/09 <br />- <br />- <br />- <br />2,200 <br /><50 <br />330 <br />26 <br />15 <br />36 <br />11 <br /><50 <br /><10 <br /><10 <br /><10 <br /><500 <br /><2.5 <br /><5.0 <br />10/14/09 <br />21.89 <br />0.00 <br />-12.85 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/15/09 <br />- <br />- <br />- <br />6,100 <br />280 N <br />930 <br />140 <br />84 <br />260 <br />12 <br />29 <br /><4.0 <br /><4.0 <br /><4.0 <br /><200 <br /><1.0 <br /><2.0 <br />05/24/10 <br />19.27 <br />0.00 <br />-10.23 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/25/10 <br />- <br />- <br />- <br />12,000 <br />1,100 N <br />3,300 <br />380 <br />340 <br />800 <br />28 <br /><100 <br /><20 <br /><20 <br /><20 <br /><1,000 <br /><5.0 <br /><10 <br />10/04/10 <br />11.39 <br />19.53 <br />0.00 <br />-8.14 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/16/10 <br />- <br />- <br />- <br />74 <br />52 <br />11 <br /><0.50 <br /><0.50 <br /><0.50 <br />2.1 <br />12 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br />04/04/11 <br />NS <br />17.43 <br />0.00 <br />-6.04 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.55 <br />Cross -screened <br />10/16/12 <br />NSP <br />18.21 <br />0.00 <br />-6.82 <br />04/22/13 <br />NSP <br />16.83 <br />0.00 <br />-5.44 <br />10/14/13 <br />NSP <br />18.25 <br />0.00 <br />-6.86 <br />04/22/14 <br />NSP <br />17.77 <br />0.00 <br />-6.38 <br />10/20/14 <br />NSP <br />19.77 <br />0.00 <br />-8.38 <br />04/27/15 <br />NSP <br />18.10 <br />0.00 <br />-6.71 <br />07/09/15 <br />DEST <br />- <br />- <br />- <br />SMW-11-82 09/24/02 <br />9.09 <br />23.73 <br />0.00 <br />-14.64 <br />09/27/02 <br />23.50 <br />0.00 <br />-14.41 <br />770 <br />- <br />110 <br />32 <br />15 <br />56 <br />3.6 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><500 <br /><2.0 <br /><2.0 <br />- <br />11/13/02 <br />25.02 <br />0.00 <br />-15.93 <br />630 <br /><200 <br />76 <br />5.4 <br />14 <br />5.9 <br />1.9 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br />- <br /><2.0 <br /><2.0 <br />2.1 <br />02/11/03 <br />22.15 <br />0.00 <br />-13.06 <br />350 <br />150 <br />87 <br />1.8 <br />5.2 <br />1.6 <br />1.6 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />1.7 <br />05/29/03 <br />22.75 <br />0.00 <br />-13.66 <br />290 <br />250 <br />66 <br />1.6 <br />3.3 <br />1.7 <br />0.96 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />- <br />08/14/03 <br />23.57 <br />0.00 <br />-14.48 <br />610 <br />210 <br />240 <br />6.6 <br />3.8 <br /><5.0 <br /><2.5 <br />36 <br /><10 <br /><10 <br /><10 <br /><2.5 <br /><2.5 <br />11/03/03 <br />24.24 <br />0.00 <br />-15.15 <br />380 <br />190 <br />230 <br />7.1 <br />4.9 <br />5.9 <br /><2.5 <br />45 <br /><10 <br /><10 <br /><10 <br /><2.5 <br /><2.5 <br />02/09/04 <br />23.17 <br />0.00 <br />-14.08 <br />160 <br />160 <br />52 <br />2.7 <br />2.5 <br />2.4 <br />1.9 <br />9.0 <br />- <br />- <br />- <br />2.1 <br /><0.50 <br />05/10/04 <br />22.68 <br />0.00 <br />-13.59 <br />230 <br />85 <br />110 <br />2.6 <br />1.8 <br />3.3 <br />1.6 <br />22 <br />2.7 <br /><0.50 <br />08/09/04 <br />24.31 <br />0.00 <br />-15.22 <br />300 <br />130 <br />170 <br />3.7 <br />1.7 <br />3.4 <br />1.5 <br />15 <br />1.8 <br /><0.50 <br />11/15/04 <br />25.15 <br />0.00 <br />-16.06 <br />470 <br />170 <br /><0.50 <br />6.3 <br />2.3 <br />6.3 <br />1.4 <br />21 <br />2.0 <br /><0.50 <br />02/08/05 <br />24.08 <br />0.00 <br />-14.99 <br />1,000 <br />100 <br />580 <br />6.4 <br />2.7 <br />9.5 <br /><2.5 <br />29 <br />3.4 <br /><2.5 <br />05/09/05 <br />21.80 <br />0.00 <br />-12.71 <br /><1,000 <br />130 <br />540 <br /><10 <br /><10 <br /><20 <br /><10 <br /><100 <br /><10 <br /><10 <br />08/08/05 <br />22.40 <br />0.00 <br />-13.31 <br />770 <br />81 <br />470 <br />4.6 <br />2.5 <br />5.8 <br /><2.5 <br /><25 <br />3.2 <br /><2.5 <br />11/07/05 <br />23.68 <br />0.00 <br />-14.59 <br />490 <br /><50 <br />260 <br />6.2 <br />3.7 <br />5.8 <br /><2.5 <br /><25 <br />3.5 <br /><2.5 <br />02/06/06 <br />22.46 <br />0.00 <br />-13.37 <br />410 <br /><50 <br />210 <br />3.7 <br />2.1 <br />4.5 <br /><1.0 <br /><10 <br />3.3 <br /><1.0 <br />05/08/06 <br />19.79 <br />0.00 <br />-10.70 <br />580 N <br />110 <br />200 <br />3.0 <br />1.8 <br />3.8 <br /><2.0 <br /><20 <br /><1.0 <br /><2.0 <br />08/07/06 <br />15.48 <br />0.00 <br />-6.39 <br />610 <br />84 <br />200 <br />4.2 <br />2.5 <br />4.9 <br />0.76 <br />6.2 <br />8.1 <br /><0.50 <br />10/30/06 <br />21.26 <br />0.00 <br />-12.17 <br />300 <br />140 <br />150 <br />1.8 <br /><1.0 <br />2.0 <br /><1.0 <br /><10 <br /><1.0 <br /><1.0 <br />01/29/07 <br />20.90 <br />0.00 <br />-11.81 <br />910 <br />140 <br />410 <br />4.1 <br />2.9 <br />4.6 <br />0.99 <br /><5.0 <br /><0.50 <br /><0.50 <br />05/07/07 <br />19.92 <br />0.00 <br />-10.83 <br />1,200 <br />570 <br />690 <br />5.1 <br />2.8 <br />6.0 <br />1.1 <br /><20 <br /><1.0 <br /><2.0 <br />08/06/07 <br />21.05 <br />0.00 <br />-11.96 <br />1,700 N <br />160 N <br />720 <br />5.1 <br />3.5 <br />8.6 <br /><10 <br /><100 <br /><5.0 <br /><10 <br />11/05/07 <br />21.94 <br />0.00 <br />-12.85 <br />1,300 <br />160 <br />630 <br />5.0 <br />4.3 <br />7.2 <br /><5.0 <br /><50 <br /><2.5 <br /><5.0 <br />02/04/08 <br />20.07 <br />0.00 <br />-10.98 <br />770 <br />96 N <br />420 <br />5.7 <br /><5.0 <br />6.1 <br /><5.0 <br /><50 <br /><2.5 <br /><5.0 <br />05/05/08 <br />19.80 <br />0.00 <br />-10.71 <br />750 <br />64 N <br />310 <br /><5.0 <br /><5.0 <br />5.1 <br /><5.0 <br /><50 <br /><10 <br /><10 <br /><10 <br /><500 <br /><2.5 <br /><5.0 <br />08/04/08 <br />20.66 <br />0.00 <br />-11.57 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />08/05/08 <br />- <br />- <br />- <br />620 <br /><50 <br />210 <br />3.0 <br />2.6 <br />3.6 <br /><2.0 <br /><20 <br /><4.0 <br /><4.0 <br /><4.0 <br /><200 <br /><1.0 <br /><2.0 <br />10/28/08 <br />21.74 <br />0.00 <br />-12.65 <br />770 <br /><50 <br />280 <br />3.8 <br />2.6 <br />3.5 <br /><2.0 <br /><20 <br /><4.0 <br /><4.0 <br /><4.0 <br /><200 <br /><1.0 <br /><2.0 <br />01/27/09 <br />1 <br />21.70 <br />0.00 <br />-12.61 <br />1 - <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 84 of 116 Stantec <br />