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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 />AMW-1 05/11/92 <br />10.45 <br />40.27 <br />0.00 <br />-29.82 <br />60,000 <br />5,900 <br />1,600 <br />430 <br />800 <br />08/24/92 <br />42.06 <br />0.00 <br />-31.61 <br />14,000 <br />4,100 <br />330 <br />310 <br />490 <br />12/17/92 <br />42.79 <br />0.00 <br />-32.34 <br />14,000 <br />3,500 <br />410 <br />400 <br />800 <br />03/10/93 <br />40.42 <br />0.00 <br />-29.97 <br />28,000 <br />6,500 <br />340 <br />580 <br />1,700 <br />03/23/93 <br />39.23 <br />0.00 <br />-28.78 <br />34,000 <br />8,300 <br />630 <br />740 <br />2,400 <br />06/10/93 <br />38.58 <br />0.00 <br />-28.13 <br />23,000 <br />5,600 <br />640 <br />470 <br />1,400 <br />09/02/93 <br />39.50 <br />0.00 <br />-29.05 <br />27,000 <br />7,500 <br />700 <br />620 <br />2,300 <br />10/28/93 <br />39.73 <br />0.00 <br />-29.28 <br />31,000 <br />8,900 <br />1,200 <br />830 <br />2,300 <br />06/29/94 <br />39.02 <br />0.00 <br />-28.57 <br />36,000 <br />11,000 <br />12,000 <br />840 <br />3,300 <br />09/26/94 <br />40.25 <br />0.00 <br />-29.80 <br />34,000 <br />6,000 <br />490 <br />550 <br />1,400 <br />12/01/94 <br />40.41 <br />0.00 <br />-29.96 <br />60,000 <br />7,100 <br />1,000 <br />290 <br />710 <br />02/16/95 <br />37.11 <br />0.00 <br />-26.66 <br />36,000 <br />11,000 <br />460 <br />990 <br />3,200 <br />(54) <br />05/17/95 <br />32.61 <br />0.00 <br />-22.16 <br />38,000 <br />12,000 <br />790 <br />1,100 <br />3,400 <br />(53) <br />08/15/95 <br />32.13 <br />0.00 <br />-21.68 <br />45,000 <br />10,000 <br />330 <br />1,000 <br />3,300 <br />(54) <br />11/29/95 <br />32.32 <br />0.00 <br />-21.87 <br />46,000 <br />9,800 <br />370 <br />1,100 <br />2,900 <br />(54) <br />02/27/96 <br />INA <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/15/96 <br />27.88 <br />0.00 <br />-17.43 <br />34,000 <br />9,400 <br />670 <br />1,000 <br />2,100 <br /><25 <br />(53) <br />08/22/96 <br />28.50 <br />0.00 <br />-18.05 <br />35,000 <br />9,100 <br />1,000 <br />1,000 <br />2,000 <br /><500 <br />(53) <br />11/25/96 <br />28.71 <br />0.00 <br />-18.26 <br />37,000 <br />7,900 <br />460 <br />870 <br />1,500 <br /><500 <br />02/24/97 <br />24.66 <br />0.00 <br />-14.21 <br />37,000 <br />8,300 <br />740 <br />900 <br />2,200 <br /><500 <br />05/19/97 <br />24.54 <br />0.00 <br />-14.09 <br />30,000 <br />8,200 <br />310 <br />780 <br />1,100 <br /><600 <br />08/21/97 <br />25.62 <br />0.00 <br />-15.17 <br />28,000 <br />8,200 <br />380 <br />860 <br />1,100 <br /><2,000 <br />(54) <br />11/17/97 <br />26.67 <br />0.00 <br />-16.22 <br />23,000 <br />9,300 <br />580 <br />820 <br />1,300 <br /><1,000 <br />(54) <br />02/09/98 <br />24.09 <br />0.00 <br />-13.64 <br />20,000 <br />6,800 <br />360 <br />700 <br />1,100 <br /><1,000 <br />(54) <br />05/22/98 <br />20.08 <br />0.00 <br />-9.63 <br />21,000 <br />6,700 <br />410 <br />590 <br />1,000 <br /><100 <br /><10,000 <br /><100 <br /><100 <br /><100 <br />(53) <br />08/12/98 <br />20.26 <br />0.00 <br />-9.81 <br />22,000 <br />8,700 <br />510 <br />790 <br />1,200 <br /><2.0 <br /><200 <br /><2.0 <br /><2.0 <br /><2.0 <br />(53) <br />11/09/98 <br />21.40 <br />0.00 <br />-10.95 <br />21,000 <br />7,400 <br />290 <br />630 <br />1,000 <br />24 <br /><200 <br />6.1 <br /><2.0 <br /><2.0 <br />(53) <br />02/17/99 <br />20.60 <br />0.00 <br />-10.15 <br />2,700 <br />830 <br />48 <br />90 <br />140 <br />24 <br /><200 <br />6.9 <br /><2.0 <br /><2.0 <br />(53) <br />05/25/99 <br />19.96 <br />0.00 <br />-9.51 <br />23,000 <br />8,400 <br />290 <br />850 <br />1,200 <br />31 <br /><200 <br />5.4 <br /><2.0 <br /><2.0 <br />(53) <br />08/18/99 <br />21.95 <br />0.00 <br />-11.50 <br />19,000 <br />7,900 <br />230 <br />670 <br />960 <br />12 <br /><200 <br />6.9 <br /><2.0 <br /><2.0 <br />(53) <br />12/17/99 <br />21.90 <br />0.00 <br />-11.45 <br />16,000 <br />5,600 <br />120 <br />380 <br />580 <br />34 <br /><200 <br />4.0 <br /><2.0 <br /><2.0 <br />(53) <br />02/22/00 <br />21.13 <br />0.00 <br />-10.68 <br />20,000 <br />8,800 <br />230 <br />800 <br />930 <br />19 <br /><200 <br />4.3 <br /><2.0 <br /><2.0 <br />(53) <br />06/22/00 <br />19.89 <br />0.00 <br />-9.44 <br />20,000 <br />6,000 <br />140 <br />400 <br />490 <br />13 <br /><200 <br />4.3 <br /><2.0 <br /><2.0 <br />(54) <br />08/30/00 <br />20.92 <br />0.00 <br />-10.47 <br />18,000 <br />8,600 <br />250 <br />650 <br />650 <br />2.3 <br /><200 <br />6.2 <br /><2.0 <br /><2.0 <br /><2.0 <br />11/21/00 <br />21.60 <br />0.00 <br />-11.15 <br />6,620 N <br />1,600 <br />70 <br />91 <br />200 <br />13 <br /><200 <br />3.4 <br /><2.0 <br /><2.0 <br /><2.0 <br />02/15/01 <br />21.67 <br />0.00 <br />-11.22 <br />11,300 N <br />3,500 <br />140 <br />450 <br />330 <br />23 <br /><200 <br />3.6 <br /><2.0 <br /><2.0 <br /><2.0 <br />1.0 <br />05/17/01 <br />20.90 <br />0.00 <br />-10.45 <br />8,630 N <br />3,200 <br /><50 <br />200 <br />140 <br />24 <br /><1,000 <br /><10 <br /><10 <br /><10 <br /><10 <br />0.7 <br />08/16/01 <br />22.27 <br />0.00 <br />-11.82 <br />13,000 <br />4,400 <br />130 <br />440 <br />300 <br /><100 <br /><10,000 <br /><100 <br /><100 <br /><100 <br /><100 <br />1.9 <br />12/06/01 <br />23.34 <br />0.00 <br />-12.89 <br />12,000 N <br />5,100 <br /><50 <br />340 <br />210 <br /><50 <br /><500 <br /><50 <br /><50 <br /><50 <br /><50 <br />1.1 <br />02/14/02 <br />21.74 <br />0.00 <br />-11.29 <br />13,000 <br />5,100 <br />110 <br />410 <br />250 <br />29 <br /><5.0 <br />2.9 <br /><0.50 <br /><0.50 <br />0.53 <br />1.3 <br />06/13/02 <br />22.06 <br />0.00 <br />-11.61 <br />10,000 <br />2,400 <br />87 <br />300 <br />240 <br />24 <br />- <br />- <br />- <br />- <br />- <br />0.8 <br />08/22/02 <br />23.05 <br />0.00 <br />-12.60 <br />13,000 <br />5,100 <br />160 <br />430 <br />330 <br />31 <br />130 <br /><10 <br /><10 <br /><10 <br /><10 <br />1.0 <br />11/13/02 <br />24.03 <br />0.00 <br />-13.58 <br /><10,000 <br />2,200 <br /><100 <br /><100 <br /><100 <br /><100 <br /><4,000 <br /><100 <br /><100 <br /><100 <br /><100 <br />- <br />02/12/03 <br />NS <br />23.16 <br />0.00 <br />-12.71 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />2.0 <br />05/29/03 <br />INA <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />08/04/03 <br />23.08 <br />0.00 <br />-12.63 <br />16,700 R <br />2,200 <br /><50 <br /><50 <br />160 <br /><50 <br /><2,000 <br /><100 <br /><100 <br /><100 <br /><10,000 <br /><50 <br />1.1 <br />Stockton -charter way_comingles_plume_4g22.xlsm Page 1 of 116 Stantec <br />