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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 />CMW-4C 10/18/12 <br />10.89 <br />- <br />- <br />- <br />120 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />2.2 <br />910 <br />- <br />04/22/13 <br />16.00 <br />0.00 <br />-5.11 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.40 <br />04/24/13 <br />- <br />- <br />- <br />120 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.97 <br />1,500 <br />- <br />10/14/13 <br />NSP <br />17.52 <br />0.00 <br />-6.63 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/22/14 <br />16.90 <br />0.00 <br />-6.01 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.89 <br />04/23/14 <br />- <br />- <br />- <br />120 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.92 <br />1,500 <br />- <br />10/20/14 <br />NSP <br />18.61 <br />0.00 <br />-7.72 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/27/15 <br />17.18 <br />0.00 <br />-6.29 <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.0 <br />0.73 <br />97 <br />0.12 <br />10/19/15 <br />NSP <br />19.20 <br />0.00 <br />-8.31 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/11/16 <br />16.87 <br />0.00 <br />-5.98 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.22 <br />04/13/16 <br />- <br />- <br />- <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.5 <br />0.61 <br />630 <br />- <br />12/12/16 <br />NSP <br />18.60 <br />0.00 <br />-7.71 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/10/17 <br />10.80 <br />13.53 <br />0.00 <br />-2.73 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/11/17 <br />- <br />- <br />- <br />51 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.5 <br /><0.50 <br />790 <br />0.19 <br />10/24/17 <br />NSP <br />15.11 <br />0.00 <br />-4.31 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/07/18 <br />14.30 <br />0.00 <br />-3.50 <br />117 BL <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br />860 <br />0.40 <br />05/28/19 <br />12.51 <br />0.00 <br />-1.71 <br /><100 <br /><1.00 <br /><1.00 <br /><1.00 <br /><3.00 <br /><1.00 <br />480 <br />0.68 <br />11/25/19 <br />NSP <br />14.87 <br />0.00 <br />-4.07 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/01/20 <br />14.02 <br />0.00 <br />-3.22 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br />350 <br />0.37 <br />11/09/20 <br />NSP <br />15.93 <br />0.00 <br />-5.13 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/04/21 <br />14.82 <br />0.00 <br />-4.02 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br />130 <br />0.72 <br />11/22/21 <br />NS <br />15.40 <br />0.00 <br />-4.60 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/05/22 <br />14.59 <br />0.00 <br />-3.79 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br />120 <br />0.49 <br />11/23/22 <br />NS <br />10.80 <br />16.76 <br />0.00 <br />-5.96 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />CMW-5A 02/04/08 <br />10.85 <br />18.20 <br />0.00 <br />-7.35 <br />52,000 <br />29,000 <br />5,500 <br />520 <br />1,100 <br />5,100 <br /><1 <br />24 <br /><1 <br /><1 <br />05/05/08 <br />18.01 <br />0.00 <br />-7.16 <br />28,000 <br />16,000 <br />4,500 <br />750 <br />1,100 <br />5,400 <br /><3 <br />16 <br />11 <br />- <br />08/04/08 <br />18.82 <br />0.00 <br />-7.97 <br />4,300 <br />16,000 <br />5,500 <br />700 <br />1,200 <br />5,200 <br /><3 <br />43 <br /><3 <br /><3 <br />10/28/08 <br />19.78 <br />0.00 <br />-8.93 <br />46,000 <br />20,000 <br />5,900 <br />810 <br />1,300 <br />5,700 <br /><10 <br /><40 <br /><10 <br /><10 <br />01/27/09 <br />19.87 <br />0.00 <br />-9.02 <br />43,000 <br />21,000 <br />5,900 <br />500 <br />1,100 <br />4,800 <br /><5 <br />29 <br /><5 <br /><5 <br />04/27/09 <br />18.62 <br />0.00 <br />-7.77 <br />42,000 <br />18,000 <br />4,500 <br />430 <br />890 <br />5,100 <br /><5 <br />37 <br />9.0 <br />5.0 <br />10/14/09 <br />19.84 <br />0.00 <br />-8.99 <br />43,000 <br />28,000 <br />5,800 <br />580 <br />1,000 <br />4,000 <br />- <br />- <br />- <br />- <br />05/24/10 <br />17.48 <br />0.00 <br />-6.63 <br />48,000 <br />18,000 <br />5,900 <br />1,200 <br />1,300 <br />5,300 <br /><5 <br />46 <br /><5 <5 <br />6.0 <br /><5 <br />10/04/10 <br />10.95 <br />18.39 <br />0.00 <br />-7.44 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- - <br />- <br />- <br />10/14/10 <br />- <br />- <br />- <br />33,000 <br /><4,000 <br /><100 <br />4,700 <br />550 <br />1,100 <br />4,700 <br /><5.0 <br />32 <br /><5.0 <5.0 <5.0 <50 <500 <br /><5.0 <br />04/04/11 <br />16.00 <br />0.00 <br />-5.05 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- - - - - <br />- <br />0.83 <br />A Zone <br />04/06/11 <br />- <br />- <br />- <br />31,000 <br />2,600 <br />3,200 <br />1,200 <br />6,300 <br /><10 <br /><50 <br />- <br />A Zone <br />10/03/11 <br />16.45 <br />0.00 <br />-5.50 <br />32,000 <br />4,200 <br />1,800 <br />1,300 <br />6,000 <br /><10 <br /><50 <br />0.54 <br />04/09/12 <br />16.55 <br />0.00 <br />-5.60 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/10/12 <br />- <br />- <br />- <br />30,000 <br />4,100 <br />160 <br />940 <br />2,900 <br /><10 <br /><50 <br />0.70 <br />10/16/12 <br />17.15 <br />0.00 <br />-6.20 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.39 <br />10/18/12 <br />- <br />- <br />- <br />34,000 <br />4,400 <br />270 <br />1,200 <br />4,200 <br /><10 <br /><50 <br />- <br />04/22/13 <br />15.78 <br />0.00 <br />-4.83 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.54 <br />04/24/13 <br />- <br />- <br />- <br />30,000 <br />2,700 <br />540 <br />830 <br />3,900 <br /><5.0 <br /><25 <br />- <br />10/14/13 <br />17.18 <br />0.00 <br />-6.23 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.57 <br />10/15/13 <br />- <br />- <br />- <br />18,000 <br />1,400 <br />110 <br />410 <br />2,700 <br /><5.0 <br />37 <br />- <br />04/22/14 <br />1 <br />16.70 <br />0.00 <br />-5.75 <br />1 - <br />- <br />- <br />- <br />- <br />- <br />- <br />1.61 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 35 of 116 Stantec <br />