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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 />SMW-1 11/09/98 <br />10.13 <br />20.59 <br />0.00 <br />-10.46 <br />8,300 <br />580 <br /><1.0 <br />310 <br />950 <br />02/17/99 <br />20.03 <br />0.00 <br />-9.90 <br /><50.0 <br /><0.500 <br /><0.500 <br /><0.500 <br /><0.500 <br />05/25/99 <br />18.45 <br />0.00 <br />-8.32 <br />220 <br />44 <br /><0.50 <br />0.73 <br />7.5 <br />08/18/99 <br />19.68 <br />0.00 <br />-9.55 <br />570 <br />70 <br /><1.00 <br />17 <br />45 <br />11/05/99 <br />19.73 <br />0.00 <br />-9.60 <br />1,200 <br />150 <br />24 <br />53 <br />130 <br />02/22/00 <br />19.80 <br />0.00 <br />-9.67 <br />5,200 <br />680 <br /><25.0 <br />180 <br />360 <br />05/16/00 <br />19.11 <br />0.00 <br />-8.98 <br />1,800 <br />210 <br />4.7 <br />62 <br />140 <br />16 <br /><100 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br />08/30/00 <br />20.33 <br />0.00 <br />-10.20 <br />3,900 <br />1,100 <br />530 <br /><5.00 <br />200 <br />420 <br />24 <br /><200 <br /><4.00 <br /><4.00 <br /><4.00 <br /><4.00 <br /><4.00 <br />11/21/00 <br />20.93 <br />0.00 <br />-10.80 <br />440 <br />520 <br />11 <br /><1.00 <br />2.4 <br />4.3 <br />7.2 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />02/15/01 <br />21.13 <br />0.00 <br />-11.00 <br />4,300 <br />1,100 <br />360 <br /><5.00 <br />200 <br />380 <br />9.6 <br /><200 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br />05/17/01 <br />20.48 <br />0.00 <br />-10.35 <br /><50 <br /><50 <br />2.8 <br /><0.50 <br />0.57 <br />0.98 <br />4.0 <br />13 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />08/16/01 <br />21.88 <br />0.00 <br />-11.75 <br />2,300 <br /><400 <br />350 <br /><0.50 <br />110 <br />190 <br />16 <br />69 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />12/06/01 <br />23.00 <br />0.00 <br />-12.87 <br />6,400 <br /><700 <br />580 <br /><0.50 <br />260 <br />380 <br />15 <br />79 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />02/14/02 <br />9.27 <br />21.43 <br />0.00 <br />-12.16 <br />14,000 <br /><1,400 <br />1,500 <br /><10 <br />610 <br />1,000 <br />39 <br />130 <br /><10 <br /><10 <br /><10 <br /><10 <br /><10 <br />05/31/02 <br />21.32 <br />0.00 <br />-12.05 <br />7,500 <br /><400 <br />520 <br /><2.5 <br />420 <br />680 <br />23 <br />51 <br /><2.5 <br /><2.5 <br /><2.5 <br /><2.5 <br /><2.5 <br />08/23/02 <br />22.57 <br />0.00 <br />-13.30 <br />11,000 <br /><1,000 <br />820 <br /><2.5 <br />570 <br />980 <br />67 <br />130 <br /><2.5 <br /><2.5 <br /><2.5 <br /><2.5 <br /><2.5 <br />09/27/02 <br />23.02 <br />0.00 <br />-13.75 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />11/13/02 <br />23.52 <br />0.00 <br />-14.25 <br />14,000 <br /><1,700 <br />1,300 <br /><5.0 <br />780 <br />1,200 <br />89 <br />170 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br />1.3 <br />02/11/03 <br />22.54 <br />0.00 <br />-13.27 <br />6,100 <br /><1,300 <br />1,300 <br /><2.0 <br />280 <br />460 <br />270 <br />330 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />1.4 <br />05/29/03 <br />22.15 <br />0.00 <br />-12.88 <br />1,700 <br />590 <br />230 <br /><0.50 <br />79 <br />130 <br />190 <br />210 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />- <br />08/14/03 <br />23.03 <br />0.00 <br />-13.76 <br />3,000 <br />610 <br />470 <br /><10 <br />160 <br />210 <br />150 <br />130 <br /><40 <br /><40 <br /><40 <br /><10 <br /><10 <br />11/03/03 <br />23.71 <br />0.00 <br />-14.44 <br />4,600 <br />830 <br />870 <br /><10 <br />270 <br />340 <br />230 <br />210 <br /><40 <br /><40 <br /><40 <br /><10 <br /><10 <br />02/09/04 <br />23.26 <br />0.00 <br />-13.99 <br />8,500 <br />840 <br />1,500 <br /><10 <br />570 <br />970 <br />150 <br />240 <br />- <br />- <br />- <br /><10 <br /><10 <br />05/10/04 <br />22.58 <br />0.00 <br />-13.31 <br />6,400 <br />1,300 <br />1,400 <br /><10 <br />520 <br />830 <br />150 <br />210 <br />- <br />- <br />- <br /><10 <br /><10 <br />08/09/04 <br />23.68 <br />0.00 <br />-14.41 <br />2,300 <br />460 <br />460 <br /><2.5 <br />150 <br />190 <br />83 <br />110 <br /><10 <br /><10 <br /><10 <br /><250 <br /><2.5 <br /><2.5 <br />11/15/04 <br />24.67 <br />0.00 <br />-15.40 <br />3,700 <br />680 <br />290 <br /><2.5 <br />190 <br />170 <br />68 <br />130 <br />- <br />- <br />- <br />- <br /><2.5 <br /><2.5 <br />02/08/05 <br />23.53 <br />0.00 <br />-14.26 <br />2,400 <br />560 <br />550 <br />3.4 <br />100 <br />110 <br />93 <br />120 <br /><2.5 <br /><2.5 <br />05/09/05 <br />20.23 <br />0.00 <br />-10.96 <br />7,000 <br />350 <br />830 <br /><2.5 <br />340 <br />570 <br />640 <br />760 <br /><2.5 <br /><2.5 <br />08/08/05 <br />21.65 <br />0.00 <br />-12.38 <br />150 <br />140 <br />9.9 <br /><0.50 <br />5.1 <br />6.8 <br />96 <br />110 <br /><2.0 <br /><2.0 <br /><2.0 <br /><50 <br /><0.50 <br /><0.50 <br />11/07/05 <br />22.77 <br />0.00 <br />-13.50 <br />1,700 <br />380 <br />200 <br /><0.50 <br />120 <br />170 <br />51 <br />70 <br />- <br />- <br />- <br />- <br /><0.50 <br /><0.50 <br />02/06/06 <br />22.06 <br />0.00 <br />-12.79 <br />3,600 <br />770 <br />700 <br /><2.5 <br />300 <br />450 <br />130 <br />150 <br /><2.5 <br /><2.5 <br />05/08/06 <br />19.57 <br />0.00 <br />-10.30 <br />4,200 <br />2,200 <br />470 <br /><5.0 <br />250 <br />360 <br />76 <br /><50 <br /><2.5 <br /><5.0 <br />08/07/06 <br />19.30 <br />0.00 <br />-10.03 <br />1,100 <br />190 <br />36 <br /><0.50 <br />21 <br />31 <br />22 <br />34 <br /><2.0 <br /><2.0 <br /><2.0 <br /><50 <br /><0.50 <br /><0.50 <br />10/30/06 <br />19.97 <br />0.00 <br />-10.70 <br />2,600 <br />410 <br />280 <br /><0.50 <br />110 <br />190 <br />38 <br />82 <br />- <br />- <br />- <br />- <br /><0.50 <br /><0.50 <br />01/29/07 <br />20.37 <br />0.00 <br />-11.10 <br />1,400 <br />630 <br />88 <br /><2.5 <br />39 <br />43 <br />34 <br /><25 <br /><2.5 <br /><2.5 <br />05/07/07 <br />19.84 <br />0.00 <br />-10.57 <br />2,400 <br />860 <br />150 <br /><1.0 <br />66 <br />75 <br />35 <br /><10 <br /><0.50 <br /><1.0 <br />08/06/07 <br />20.28 <br />0.00 <br />-11.01 <br />2,400 <br />670 N <br />170 <br /><1.0 <br />72 <br />85 <br />25 <br />21 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br /><0.50 <br /><1.0 <br />11/05/07 <br />20.96 <br />0.00 <br />-11.69 <br />1,800 <br />730 N <br />82 <br /><1.0 <br />44 <br />56 <br />26 <br />33 <br />- <br />- <br />- <br />- <br /><0.50 <br /><1.0 <br />02/04/08 <br />19.78 <br />0.00 <br />-10.51 <br />330 <br />110 N <br />4.8 <br /><1.0 <br />1.5 <br />1.6 <br />16 <br /><10 <br /><0.50 <br /><1.0 <br />05/05/08 <br />20.30 <br />0.00 <br />-11.03 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/06/08 <br />- <br />- <br />- <br />1,100 <br />130 N <br />69 <br /><1.0 <br />24 <br />32 <br />13 <br /><10 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br /><0.50 <br /><1.0 <br />08/04/08 <br />20.12 <br />0.00 <br />-10.85 <br />830 <br />85 <br />51 <br /><1.0 <br />18 <br />21 <br />8.8 <br /><10 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br /><0.50 <br /><1.0 <br />10/28/08 <br />21.09 <br />0.00 <br />-11.82 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/29/08 <br />- <br />- <br />- <br />180 <br /><50 <br />1.9 <br /><1.0 <br /><1.0 <br /><1.0 <br />5.5 <br /><10 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br /><0.50 <br /><1.0 <br />01/27/09 <br />21.19 <br />0.00 <br />-11.92 <br />3,800 <br />330 N <br />320 <br /><1.0 <br />130 <br />170 <br />16 <br /><10 <br /><2.0 <br /><2.0 <br /><2.0 <br /><100 <br /><0.50 <br /><1.0 <br />04/27/09 <br />1 <br />19.81 <br />0.00 <br />-10.54 <br />1 1,400 <br />270 N <br />77 <br /><2.0 <br />24 <br />26 <br />4.3 <br /><20 <br /><4.0 <br /><4.0 <br /><4.0 <br /><200 <br /><1.0 <br /><2.0 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 57 of 116 Stantec <br />