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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 50 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 />(pg/L) <br />(pg/L) <br />Oil <br />(pg/L) <br />(pg/L) <br />(pg/L) <br />(pg/L) <br />(pg/L) <br />(pg/L) <br />(pg/L) <br />(pg/L) <br />(pg/L) <br />(pg/L) <br />(pg/L) <br />DCA <br />(p9/L) <br />(mg/L) <br />Comments <br />(le MSL) <br />(p9/ <br />(p9/L) <br />(feet) <br />(feet) <br />(ft -MSL) <br />SLMW-4A 05/05/22 <br />INA, NS <br />11.41 <br />11/23/22 <br />INA, NS <br />SLMW-7D 10/31/97 <br />- <br />- <br />- <br />10,000 <br />1,300 <br />1,200 <br />220 <br />1,000 <br /><50 <br /><50 <br /><50 <br /><50 <br /><10 <br />01/12/07 <br />20.51 <br />0.00 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />2.0 <br />01/16/07 <br />20.60 <br />0.00 <br />480 <br />120 <br />1.8 <br />4.8 <br />9.9 <br /><0.50 <br />9.3 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.52 <br /><0.50 <br />2.4 <br />04/13/07 <br />20.05 <br />0.00 <br />810 <br />370 <br />12 <br />12 <br />28 <br />4.4 <br />10 <br /><0.50 <br /><0.50 <br /><0.50 <br />- <br />- <br />2.3 <br />07/23/07 <br />11.09 <br />20.43 <br />0.00 <br />-9.34 <br />2,000 <br />710 <br />18 <br />25 <br />54 <br />6.7 <br />11 <br /><0.90 <br /><0.90 <br /><0.90 <br />0.92 <br />- <br />0.8 <br />10/16/07 <br />21.25 <br />0.00 <br />-10.16 <br />2,700 <br />1,200 <br />23 <br />35 <br />77 <br />9.1 <br />11 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />- <br />01/15/08 <br />20.65 <br />0.00 <br />-9.56 <br />1,200 <br />440 <br />7.4 <br />14 <br />32 <br />3.7 <br />10 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.5 <br /><0.50 <br />04/14/08 <br />19.30 <br />0.00 <br />-8.21 <br />540 <br />130 <br />3.2 <br />12 <br />28 <br />1.4 <br />10 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.2 <br /><0.50 <br />07/14/08 <br />19.95 <br />0.00 <br />-8.86 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />07/15/08 <br />- <br />- <br />- <br />930 <br />290 <br />4.1 <br />14 <br />26 <br />2.6 <br />12 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.3 <br /><0.50 <br />10/28/08 <br />21.30 <br />0.00 <br />-10.21 <br />1,400 <br />370 <br />6.8 <br />31 <br />55 <br />5.0 <br />12 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.4 <br /><0.50 <br />0.1 <br />01/27/09 <br />21.16 <br />0.00 <br />-10.07 <br />1,400 <br />540 <br />7.7 <br />39 <br />61 <br />5.4 <br />10 <br /><0.90 <br /><0.90 <br /><0.90 <br />1.3 <br /><0.90 <br />0.9 <br />04/27/09 <br />19.85 <br />0.00 <br />-8.76 <br />1,000 <br />330 <br />6.7 <br />42 <br />62 <br />2.0 <br />11 <br /><0.80 <br /><0.80 <br /><0.80 <br />1.2 <br /><0.80 <br />2.4 <br />07/22/09 <br />20.42 <br />0.00 <br />-9.33 <br />600 <br />180 <br />2.7 <br />13 <br />18 <br />2.2 <br />10 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.2 <br /><0.50 <br />3.6 <br />10/14/09 <br />21.16 <br />0.00 <br />-10.07 <br />1,400 <br />630 <br />9.3 <br />48 <br />64 <br />4.3 <br />13 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.2 <br /><0.50 <br />3.5 <br />01/12/10 <br />21.00 <br />0.00 <br />-9.91 <br />800 <br />180 <br />3.1 <br />18 <br />26 <br />1.9 <br />9.8 <br /><0.50 <br /><0.50 <br /><0.50 <br />1.2 <br /><0.50 <br />2.5 <br />05/24/10 <br />18.70 <br />0.00 <br />-7.61 <br />860 <br />620 <br />5.2 <br />13 <br />8.6 <br />8.0 <br /><50 <br /><10 <br /><10 <br /><10 <br /><2.5 <br /><5.0 <br />- <br />10/04/10 <br />11.34 <br />19.79 <br />0.00 <br />-8.45 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.0 <br />C Zone, nested with <br />04/04/11 <br />NS <br />17.15 <br />0.00 <br />-5.81 <br />1.19 <br />SLMW-7S <br />10/16/12 <br />NSP <br />18.38 <br />0.00 <br />-7.04 <br />- <br />04/22/13 <br />NSP <br />16.80 <br />0.00 <br />-5.46 <br />10/14/13 <br />NSP <br />18.34 <br />0.00 <br />-7.00 <br />04/22/14 <br />NSP <br />17.66 <br />0.00 <br />-6.32 <br />10/20/14 <br />NSP <br />20.10 <br />0.00 <br />-8.76 <br />04/27/15 <br />NSP <br />17.94 <br />0.00 <br />-6.60 <br />07/09/15 <br />DEST <br />- <br />- <br />- <br />SLMW-7S 10/31/97 <br />20.56 <br />0.00 <br />100,000 <br />19,000 <br />17,000 <br />2,200 <br />8,000 <br />120 <br /><50 <br /><50 <br /><50 <br /><10 <br />- <br />- <br />2.0 <br />01/16/07 <br />20.56 <br />0.00 <br />32,000 <br />12,000 <br />260 <br />150 <br />260 <br />41 <br /><150 <br /><25 <br /><25 <br /><25 <br /><25 <br /><25 <br />14.5 <br />04/13/07 <br />20.05 <br />0.00 <br />31,000 <br />14,000 <br />87 <br />140 <br />100 <br />72 <br /><150 <br /><25 <br /><25 <br /><25 <br />- <br />- <br />1.2 <br />07/23/07 <br />11.06 <br />20.31 <br />0.00 <br />-9.25 <br />33,000 <br />19,000 <br />180 <br />360 <br />290 <br />180 <br /><150 <br /><25 <br /><25 <br /><25 <br /><25 <br />- <br />0.6 <br />10/16/07 <br />21.18 <br />0.00 <br />-10.12 <br />30,000 <br />13,000 <br />94 <br />190 <br />200 <br />150 <br /><150 <br /><25 <br /><25 <br /><25 <br /><25 <br /><25 <br />- <br />01/15/08 <br />20.80 <br />0.00 <br />-9.74 <br />22,000 <br />9,200 <br />64 <br />99 <br />110 <br />99 <br /><90 <br /><20 <br /><20 <br /><20 <br /><20 <br /><20 <br />04/14/08 <br />19.25 <br />0.00 <br />-8.19 <br />23,000 <br />12,000 <br />130 <br />140 <br />180 <br />120 <br /><90 <br /><20 <br /><20 <br /><20 <br /><20 <br /><20 <br />07/15/08 <br />19.87 <br />0.00 <br />-8.81 <br />22,000 <br />11,000 <br />63 <br />94 <br />91 <br />87 <br /><90 <br /><20 <br /><20 <br /><20 <br /><20 <br /><20 <br />10/28/08 <br />21.24 <br />0.00 <br />-10.18 <br />21,000 <br />9,200 <br />58 <br />99 <br />98 <br />85 <br /><90 <br /><20 <br /><20 <br /><20 <br /><20 <br /><20 <br />0.3 <br />01/27/09 <br />21.11 <br />0.00 <br />-10.05 <br />16,000 <br />7,600 <br />39 <br />58 <br />67 <br />84 <br /><70 <br /><15 <br /><15 <br /><15 <br /><15 <br /><15 <br />0.6 <br />04/27/09 <br />19.81 <br />0.00 <br />-8.75 <br />22,000 <br />9,400 <br />48 <br />66 <br />67 <br />57 <br /><70 <br /><15 <br /><15 <br /><15 <br /><15 <br /><15 <br />2.0 <br />07/22/09 <br />20.35 <br />0.00 <br />-9.29 <br />22,000 <br />9,600 <br />52 <br />74 <br />75 <br />57 <br /><70 <br /><15 <br /><15 <br /><15 <br /><15 <br /><15 <br />1.3 <br />10/14/09 <br />21.11 <br />0.00 <br />-10.05 <br />20,000 <br />9,500 <br />47 <br />66 <br />63 <br />60 <br /><70 <br /><15 <br /><15 <br /><15 <br /><15 <br /><15 <br />3.2 <br />01/12/10 <br />20.91 <br />0.00 <br />-9.85 <br />22,000 <br />8,600 <br />54 <br />86 <br />81 <br />50 <br /><70 <br /><15 <br /><15 <br /><15 <br /><15 <br /><15 <br />1.9 <br />05/24/10 <br />18.63 <br />0.00 <br />-7.57 <br />16,000 <br />12,000 <br />62 <br />130 <br />110 <br />260 <br /><200 <br /><40 <br /><40 <br /><40 <br /><10 <br /><20 <br />- <br />09/03/10 <br />19.73 <br />0.00 <br />-8.67 <br />16,000 <br />8,200 <br />42 <br />89 <br />54 <br />95 <br />91 <br /><10 <br /><10 <br /><10 <br /><10 <br /><10 <br />0.7 <br />09/03/10 <br />DUP <br />1 <br />19.73 <br />0.00 <br />-8.67 <br />1 1,400 620 <br />260 <br />430 <br />6.0 <br />16 <br />31 <br />160 <br />200 <br /><0.90 <br /><0.90 <br /><0.90 <br /><50 <400 <br /><0.90 <br />- <br />0.7 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 50 of 116 Stantec <br />