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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 />stockton_charter_ way_comingles_plume_4g22.xlsm Page 105 of 116 Stantec <br />Depth <br />Measured <br />Calc. <br />TOC <br />Motor <br />1'2 <br />to <br />SPH <br />GW <br />TPHg <br />TPHd <br />B <br />T <br />E <br />X <br />MTBE <br />TBA <br />DIPE <br />ETBE <br />TAME <br />Ethanol <br />McOH <br />EDB <br />D.O. <br />Well No. <br />Date <br />Notes <br />Elevation <br />Water <br />Thickness <br />Elev. <br />(p9/L) <br />(p9/L) <br />Oil <br />(p9/L) <br />(p9/L) <br />(p9/L) <br />(p9/L) <br />(p9/L) <br />(p9/L) <br />(p9/L) <br />(p9/L) <br />(p9/L) <br />(p9/L) <br />(p9/L) <br />DCA <br />(p9/L) <br />(m9/L) <br />Comments <br />(ft -MSL) <br />(N9/L) <br />(p9/L) <br />(feet) <br />(feet) <br />(ft -MSL) <br />SMW-23 <br />11/23/22 <br />NS <br />11.03 <br />16.89 <br />0.00 <br />-5.87 <br />SMW-24A <br />07/23/15 <br />12.36 <br />19.72 <br />0.00 <br />-7.36 <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.0 <br /><0.50 <br /><5.0 <br /><0.50 <br />0.41 <br />10/19/15 <br />20.83 <br />0.00 <br />-8.47 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.27 <br />10/22/15 <br />- <br />- <br />- <br /><50.0 <br />0.53 <br /><0.50 <br /><0.50 <br /><1.0 <br />0.52 <br /><5.0 <br /><0.50 <br />- <br />04/11/16 <br />18.74 <br />0.00 <br />-6.38 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.09 <br />04/14/16 <br />- <br />- <br />- <br /><50.0 <br />3.1 <br /><0.50 <br /><0.50 <br /><1.5 <br />8.8 <br /><5.0 <br /><0.50 <br />- <br />12/12/16 <br />20.11 <br />0.00 <br />-7.75 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.47 <br />12/13/16 <br />- <br />- <br />- <br />55 <br />3.9 <br /><0.50 <br /><0.50 <br /><1.5 <br />12 <br />59 <br /><0.50 <br />- <br />04/10/17 <br />12.40 <br />14.43 <br />0.00 <br />-2.03 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/11/17 <br />- <br />- <br />- <br /><50.0 <br />1.4 <br /><0.50 <br /><0.50 <br /><1.5 <br />6.2 <br />32 <br /><0.50 <br />0.37 <br />10/24/17 <br />16.89 <br />0.00 <br />-4.49 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.29 <br />10/25/17 <br />- <br />- <br />- <br /><50.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><1.5 <br />0.82 <br /><10.0 <br /><0.50 <br />- <br />05/07/18 <br />15.81 <br />0.00 <br />-3.41 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br />1.5 <br /><10.0 <br />- <br />0.44 <br />05/28/19 <br />14.07 <br />0.00 <br />-1.67 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.49 <br />05/29/19 <br />- <br />- <br />- <br /><100 <br /><1.00 <br /><1.00 <br /><1.00 <br /><3.00 <br />3.2 <br /><5.00 <br />- <br />11/25/19 <br />16.20 <br />0.00 <br />-3.80 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.33 <br />11/27/19 <br />- <br />- <br />- <br /><108 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br />2.9 <br /><10.0 <br /><0.500 <br />- <br />04/01 /20 <br />15.38 <br />0.00 <br />-2.98 <br />- <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 />2.1 <br /><5 <br /><0.5 <br />1.15 <br />11/11/20 <br />17.02 <br />0.00 <br />-4.62 <br /><100 <br />3.0 <br /><0.5 <br /><0.5 <br /><1.5 <br />18 <br />84 <br /><0.5 <br />0.47 <br />odor <br />05/07/21 <br />16.28 <br />0.00 <br />-3.88 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br />10 <br /><5 <br /><0.5 <br />6.27 <br />12/01/21 <br />17.02 <br />0.00 <br />-4.62 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br />4.1 <br /><5 <br /><0.5 <br />0.39 <br />05/05/22 <br />16.00 <br />0.00 <br />-3.60 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br />3.7 <br /><5.00 <br /><0.500 <br />0.17 <br />11/28/22 <br />ODOR <br />18.31 <br />0.00 <br />-5.91 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br />3.6 <br />16 <br /><0.500 <br />1.72 <br />SMW-24B <br />07/23/15 <br />12.55 <br />19.96 <br />0.00 <br />-7.41 <br />250,000 <br />4,600 <br />820 <br />360 <br />2,900 <br />24 <br />56 <br /><2.5 <br />0.81 <br />10/19/15 <br />20.95 <br />0.00 <br />-8.40 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.51 <br />10/22/15 <br />- <br />- <br />- <br />53,000 <br />17,000 <br />2,300 <br />1,900 <br />6,700 <br />45 <br /><83.4 <br /><8.3 <br />- <br />04/11/16 <br />18.81 <br />0.00 <br />-6.26 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.99 <br />04/14/16 <br />- <br />- <br />- <br />38,000 <br />13,000 <br />1,700 <br />1,100 <br />4,100 <br />90 <br /><100 <br /><10.0 <br />- <br />12/12/16 <br />20.18 <br />0.00 <br />-7.63 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.59 <br />12/13/16 <br />- <br />- <br />- <br />56,000 <br />14,000 <br />1,400 <br />1,700 <br />5,500 <br />52 <br /><250 <br />350 <br />- <br />04/10/17 <br />12.50 <br />14.54 <br />0.00 <br />-2.04 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/11/17 <br />- <br />- <br />- <br />54,000 <br />20,000 <br />2,200 <br />1,700 <br />5,500 <br />100 <br /><83.5 <br /><8.4 <br />0.46 <br />10/24/17 <br />17.00 <br />0.00 <br />-4.50 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.5 <br />10/25/17 <br />- <br />- <br />- <br />7,100 <br />960 <br />100 <br />210 <br />770 <br />34 <br />86 <br /><1.2 <br />- <br />05/07/18 <br />16.10 <br />0.00 <br />-3.60 <br />4,600 <br />490 <br />7.3 <br />7.5 <br />46 <br />23 <br />81 <br />12 <br />0.42 <br />05/28/19 <br />14.14 <br />0.00 <br />-1.64 <br />4,800 <br />1,100 <br />42 <br />28 <br />42 <br />16 <br />66 <br /><5.00 <br />0.87 <br />11/25/19 <br />16.31 <br />0.00 <br />-3.81 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.59 <br />11/27/19 <br />- <br />- <br />- <br />3,200 <br />140 <br />4.6 <br />4.7 <br />12 <br /><0.500 <br />120 <br />3.3 <br />- <br />04/01 /20 <br />15.71 <br />0.00 <br />-3.21 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/02/20 <br />- <br />- <br />- <br />3,000 <br />22 <br />1.3 <br />0.99 <br />4.0 <br />14 <br />110 <br /><0.5 <br />1.1 <br />11/11/20 <br />12.50 <br />17.32 <br />0.00 <br />-4.82 <br />3,600 <br />23 <br />1.1 <br />2.6 <br />5.5 <br />13 <br />110 <br /><0.5 <br />0.43 <br />odor <br />05/07/21 <br />16.52 <br />0.00 <br />-4.02 <br />2,000 <br />9.5 <br />0.69 <br />1.1 <br />1.8 <br />12 <br />85 <br /><0.5 <br />7.04 <br />12/01/21 <br />12.50 <br />17.17 <br />0.00 <br />-4.67 <br />2,700 <br />54 <br />3.0 <br />1.5 <br />3.7 <br />15 <br />80 <br /><0.5 <br />0.47 <br />05/05/22 <br />16.23 <br />0.00 <br />-3.73 <br />2,000 <br />66 <br />6.9 <br />1.5 <br />4.6 <br />12 <br />83 <br /><0.500 <br />0.34 <br />11/28/22 <br />ODOR <br />1 <br />18.50 <br />0.00 <br />-6.00 <br />1 3,900 <br />230 <br />8.2 <br />1.4 <br />4.7 <br />13 <br />67 <br /><0.500 <br />1.68 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 105 of 116 Stantec <br />