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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 />(lig/ <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 />DCA <br />EDB <br />(p9/L) <br />D.O. <br />(m9/L) <br />Comments <br />AMW-7 06/29/94 <br />8.88 <br />37.39 <br />0.00 <br />-28.51 <br />24,000 <br />850 <br />4,500 <br />630 <br />4,400 <br />09/26/94 <br />38.67 <br />0.00 <br />-29.79 <br />46,000 <br />1,600 <br />6,400 <br />610 <br />4,200 <br />12/01/94 <br />38.87 <br />0.00 <br />-29.99 <br />24,000 <br />800 <br />5,700 <br />560 <br />4,500 <br />02/16/95 <br />INA <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/17/95 <br />30.50 <br />0.00 <br />-21.62 <br />40,000 <br />2,300 <br />8,200 <br />820 <br />4,800 <br />08/15/95 <br />30.41 <br />0.00 <br />-21.53 <br />30,000 <br />1,400 <br />4,400 <br />490 <br />2,800 <br />(48) <br />11/29/95 <br />30.56 <br />0.00 <br />-21.68 <br />45,000 <br />2,100 <br />6,400 <br />800 <br />3,600 <br />(48) <br />02/27/96 <br />27.75 <br />0.00 <br />-18.87 <br />40,000 <br />2,700 <br />7,800 <br />740 <br />4,000 <br />05/15/96 <br />26.13 <br />0.00 <br />-17.25 <br />38,000 <br />2,500 <br />7,300 <br />790 <br />4,100 <br /><500 <br />(48) <br />08/22/96 <br />26.67 <br />0.00 <br />-17.79 <br />52,000 <br />4,400 <br />9,900 <br />790 <br />4,600 <br /><500 <br />11/25/96 <br />26.87 <br />0.00 <br />-17.99 <br />52,000 <br />3,500 <br />9,100 <br />810 <br />4,700 <br /><600 <br />02/24/97 <br />22.89 <br />0.00 <br />-14.01 <br />25,000 <br />1,300 <br />3,700 <br />500 <br />2,200 <br /><700 <br />05/19/97 <br />22.77 <br />0.00 <br />-13.89 <br />19,000 <br />970 <br />2,800 <br />390 <br />1,700 <br /><300 <br />08/21/97 <br />23.89 <br />0.00 <br />-15.01 <br />19,000 <br />1,100 <br />2,600 <br />490 <br />2,000 <br /><500 <br />(47) <br />11/17/97 <br />24.91 <br />0.00 <br />-16.03 <br />2,300 <br />120 <br />190 <br />20 <br />100 <br /><50 <br />(48) <br />02/09/98 <br />22.21 <br />0.00 <br />-13.33 <br />21,000 <br />1,100 <br />2,800 <br />660 <br />2,700 <br />4,400 <br />(47) <br />05/22/98 <br />18.36 <br />0.00 <br />-9.48 <br />9,600 <br />590 <br />920 <br />280 <br />940 <br /><100 <br /><10,000 <br /><100 <br /><100 <br /><100 <br />(47) <br />08/12/98 <br />18.57 <br />0.00 <br />-9.69 <br />5,700 <br />290 <br />460 <br />200 <br />630 <br /><2.0 <br /><200 <br /><2.0 <br /><2.0 <br /><2.0 <br />(47) <br />11/09/98 <br />19.68 <br />0.00 <br />-10.80 <br />5,000 <br />410 <br />610 <br />120 <br />520 <br /><2.0 <br /><200 <br /><2.0 <br /><2.0 <br /><2.0 <br />(47) <br />02/17/99 <br />18.90 <br />0.00 <br />-10.02 <br />42,000 <br />3,700 <br />8,200 <br />940 <br />5,000 <br /><2.0 <br /><200 <br /><2.0 <br /><2.0 <br /><2.0 <br />(47) <br />05/25/99 <br />18.31 <br />0.00 <br />-9.43 <br />9,900 <br />940 <br />1,900 <br />290 <br />1,600 <br /><2.0 <br /><200 <br /><2.0 <br /><2.0 <br /><2.0 <br />(35) <br />08/18/99 <br />19.38 <br />0.00 <br />-10.50 <br />10,000 <br />680 <br />1,000 <br />330 <br />1,500 <br /><2.0 <br /><200 <br /><2.0 <br /><2.0 <br /><2.0 <br />(47) <br />12/17/99 <br />20.30 <br />0.00 <br />-11.42 <br />1,800 <br />8.3 <br />2.7 <br />9.7 <br />8.1 <br /><2.0 <br /><200 <br /><2.0 <br /><2.0 <br /><2.0 <br />(47) <br />02/22/00 <br />19.36 <br />0.00 <br />-10.48 <br />2,200 <br />16 <br />9.8 <br />15 <br />40 <br /><2.0 <br /><200 <br /><2.0 <br /><2.0 <br /><2.0 <br />(47) <br />06/22/00 <br />17.99 <br />0.00 <br />-9.11 <br />34,000 <br />6,600 <br />1,100 <br />1,100 <br />4,600 <br /><2.0 <br /><200 <br />4.9 <br /><2.0 <br /><2.0 <br />(41) <br />08/30/00 <br />19.26 <br />0.00 <br />-10.38 <br />1,600 <br />22 <br />20 <br />49 <br />100 <br /><2.0 <br /><200 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />11/21/00 <br />19.96 <br />0.00 <br />-11.08 <br />2,260 N <br />110 <br />77 <br />54 <br />220 <br /><2.0 <br /><200 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />02/15/01 <br />19.97 <br />0.00 <br />-11.09 <br />18,400 N <br />1,400 <br />2,500 <br />660 <br />2,400 <br /><2.0 <br /><200 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />1.2 <br />05/17/01 <br />19.22 <br />0.00 <br />-10.34 <br />2,320 N <br />21 <br />12 <br />41 <br />99 <br /><10 <br /><1,000 <br /><10 <br /><10 <br /><10 <br /><10 <br />0.8 <br />08/16/01 <br />20.59 <br />0.00 <br />-11.71 <br />2,200 <br />30 <br />14 <br />49 <br />95 <br /><2.0 <br /><200 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />0.6 <br />12/06/01 <br />21.63 <br />0.00 <br />-12.75 <br />6,800 <br />580 <br />270 <br />210 <br />930 <br /><5.0 <br /><50 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br />0.9 <br />02/14/02 <br />20.03 <br />0.00 <br />-11.15 <br />62 N <br /><0.50 <br /><0.50 <br />0.53 <br /><0.50 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />2.4 <br />06/13/02 <br />20.35 <br />0.00 <br />-11.47 <br />1,400 N <br />2.9 <br />4.0 <br />12 <br />13 <br /><0.50 <br />- <br />- <br />- <br />- <br />- <br />1.4 <br />08/22/02 <br />21.38 <br />0.00 <br />-12.50 <br />1,400 <br />11 <br /><5.0 <br />15 <br />10 <br /><0.50 <br /><5.0 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />0.9 <br />11/13/02 <br />22.33 <br />0.00 <br />-13.45 <br />1,400 <br />40 <br /><10 <br />18 <br />34 <br /><10 <br /><400 <br /><10 <br /><10 <br /><10 <br /><10 <br />- <br />02/12/03 <br />INA <br />23.16 <br />0.00 <br />-14.28 <br />820 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br /><200 <br /><5.0 <br /><5.0 <br /><5.0 <br /><400 <br /><5.0 <br />- <br />05/29/03 <br />20.80 <br />0.00 <br />-11.92 <br />380 <br /><0.50 <br /><0.50 <br />1.9 <br />1.3 <br /><1.0 <br /><40 <br /><2.0 <br /><2.0 <br /><2.0 <br /><200 <br /><1.0 <br />5.0 <br />08/04/03 <br />21.41 <br />0.00 <br />-12.53 <br />620 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><20 <br /><1.0 <br /><1.0 <br /><1.0 <br /><100 <br /><0.50 <br />2.0 <br />11/03/03 <br />22.50 <br />0.00 <br />-13.62 <br />320 J <br /><2.5 <br /><2.5 <br /><2.5 <br /><2.5 <br /><2.5 <br /><100 <br /><5.0 <br /><5.0 <br /><5.0 <br /><500 <br /><2.5 <br />2.0 <br />02/09/04 <br />22.34 <br />0.00 <br />-13.46 <br />290 <br />5.5 <br /><2.5 <br /><2.5 <br />6.8 <br /><2.5 <br /><100 <br /><5.0 <br /><5.0 <br /><5.0 <br /><500 <br /><2.5 <br />2.4 <br />05/10/04 <br />21.40 <br />0.00 <br />-12.52 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><20 <br /><1.0 <br /><1.0 <br /><1.0 <br /><100 <br /><0.50 <br />1.7 <br />08/09/04 <br />22.50 <br />0.00 <br />-13.62 <br />980 <br />4.5 <br />4.4 J <br />18 <br />28 <br /><0.50 <br /><20 <br /><0.50 <br /><0.50 <br /><0.50 <br /><100 <br /><0.50 <br />0.8 <br />11/15/04 <br />NS <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />02/08/05 <br />22.00 <br />0.00 <br />-13.12 <br />8,600 <br />180 <br />140 <br />360 <br />630 <br /><5.0 <br /><200 <br /><10 <br /><10 <br /><10 <br /><1,000 <br /><5.0 <br />0.5 <br />05/09/05 <br />19.85 <br />0.00 <br />-10.97 <br />5,400 <br />120 <br />98 <br />330 <br />380 <br /><5.0 <br /><200 <br /><10 <br /><10 <br /><10 <br /><1,000 <br /><5.0 <br />0.9 <br />08/17/05 <br />1 <br />20.35 <br />0.00 <br />-11.47 <br />1 5,500 <br />71 <br />62 <br />210 <br />220 <br /><2.5 <br /><100 <br /><2.5 <br /><2.5 <br /><2.5 <br /><500 <br /><2.5 <br />0.0 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 18 of 116 Stantec <br />