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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-6A 10/19/12 <br />12.05 <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 />04/22/13 <br />16.77 <br />0.00 <br />-4.72 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.80 <br />04/24/13 <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 />18.30 <br />0.00 <br />-6.25 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.87 <br />10/15/13 <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 />04/22/14 <br />17.70 <br />0.00 <br />-5.65 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.87 <br />04/23/14 <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 />10/20/14 <br />19.31 <br />0.00 <br />-7.26 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.32 <br />10/21/14 <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 />04/27/15 <br />18.13 <br />0.00 <br />-6.08 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.40 <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 /><5.0 <br />- <br />10/19/15 <br />20.14 <br />0.00 <br />-8.09 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.23 <br />10/22/15 <br />- <br />- <br />- <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.0 <br /><0.50 <br /><5.0 <br />- <br />04/11/16 <br />17.81 <br />0.00 <br />-5.76 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.14 <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 />19.24 <br />0.00 <br />-7.19 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />3.69 <br />12/13/16 <br />- <br />- <br />- <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.5 <br /><0.50 <br /><5.0 <br />- <br />04/10/17 <br />12.00 <br />14.81 <br />0.00 <br />-2.82 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/11/17 <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 />0.49 <br />10/24/17 <br />16.81 <br />0.00 <br />-4.82 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.55 <br />10/26/17 <br />- <br />- <br />- <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.5 <br /><0.50 <br /><10.0 <br />- <br />05/07/18 <br />15.26 <br />0.00 <br />-3.27 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.61 <br />05/08/18 <br />- <br />- <br />- <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><10.0 <br />- <br />05/28/19 <br />13.41 <br />0.00 <br />-1.42 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.76 <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 />15.58 <br />0.00 <br />-3.59 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.29 <br />12/02/19 <br />- <br />- <br />- <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><10.0 <br />- <br />04/01 /20 <br />15.09 <br />0.00 <br />-3.10 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/02/20 <br />- <br />- <br />- <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br />1.46 <br />11/12/20 <br />16.45 <br />0.00 <br />-4.46 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br />0.26 <br />05/07/21 <br />15.85 <br />0.00 <br />-3.86 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br />6.3 <br />0.71 <br />11/24/21 <br />16.20 <br />0.00 <br />-4.21 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br />0.17 <br />05/05/22 <br />15.68 <br />0.00 <br />-3.69 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br />1.31 <br />11/30/22 <br />17.65 <br />0.00 <br />-5.66 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br />0.29 <br />CMW-6C 02/04/08 <br />11.97 <br />12.50 <br />0.00 <br />-0.53 <br />520 <br />500 <br />4.0 <br />1.0 <br /><0.5 <br />3.0 <br />7.0 <br />29 <br /><0.5 <br /><0.5 <br />- <br />05/05/08 <br />19.65 <br />0.00 <br />-7.68 <br />490 <br />520 <br />3.0 <br />0.50 <br /><0.5 <br />1.0 <br />8.0 <br />42 <br /><0.5 <br />- <br />08/04/08 <br />20.50 <br />0.00 <br />-8.53 <br />410 <br />640 <br />1.0 <br />0.90 <br />0.60 <br />3.0 <br />10 <br />130 <br /><0.5 <br /><0.5 <br />10/28/08 <br />21.56 <br />0.00 <br />-9.59 <br />320 <br />520 <br />3.0 <br /><0.5 <br /><0.5 <br /><0.5 <br />3.0 <br />15 <br /><0.5 <br /><0.5 <br />01/27/09 <br />21.52 <br />0.00 <br />-9.55 <br />300 <br />820 <br />2.0 <br /><0.5 <br /><0.5 <br />0.60 <br />3.0 <br />20 <br /><0.5 <br /><0.5 <br />04/27/09 <br />20.09 <br />0.00 <br />-8.12 <br />1,400 <br />510 <br />1.0 <br />2.0 <br />0.80 <br />7.0 <br />8.0 <br />26 <br /><0.5 <br /><0.5 <br />10/14/09 <br />21.56 <br />0.00 <br />-9.59 <br />360 <br />200 <br />0.60 <br /><0.5 <br /><0.5 <br />0.60 <br />- <br />- <br />- <br />- <br />05/24/10 <br />19.04 <br />0.00 <br />-7.07 <br />1,300 <br />580 <br />0.90 <br />1.0 <br />1.0 <br />6.0 <br />7.0 <br />34 <br /><0.5 1.0 <br /><0.5 <br /><0.5 <br />10/04/10 <br />12.07 <br />20.08 <br />0.00 <br />-8.01 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- - <br />- <br />- <br />10/14/10 <br />- <br />- <br />- <br />600 <br /><200 <br /><100 <br />17 <br />14 <br />2.7 <br />19 <br />3.7 <br />19 <br /><0.50 <0.50 <0.50 <20 <80 <br /><0.50 <br />04/04/11 <br />17.50 <br />0.00 <br />-5.43 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- - - - - <br />- <br />0.98 <br />B Zone <br />04/06/11 <br />- <br />- <br />- <br /><50 <br />- <br />- <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br />- - - - - <br />- <br />B Zone <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 38 of 116 Stantec <br />