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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-18-80 09/24/02 <br />9.41 <br />23.55 <br />0.00 <br />-14.14 <br />- <br />- - <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- - <br />- <br />- <br />- <br />09/27/02 <br />23.62 <br />0.00 <br />-14.21 <br />6,700 <br />- <br />1,900 <br />520 <br />120 <br />390 <br /><10 <br /><100 <br /><10 <br /><10 <br /><10 <br /><500 <br /><10 <br /><10 <br />- <br />11/13/02 <br />24.78 <br />0.00 <br />-15.37 <br />8,800 <br /><600 <br />3,300 <br />270 <br />200 <br />250 <br /><20 <br /><200 <br /><20 <br /><20 <br /><20 <br />- <br /><20 <br /><20 <br />2.3 <br />02/11/03 <br />23.06 <br />0.00 <br />-13.65 <br />6,300 <br /><900 <br />2,400 <br />87 <br />120 <br />110 <br /><2.0 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />1.6 <br />05/29/03 <br />22.76 <br />0.00 <br />-13.35 <br />7,900 <br /><1,000 <br />2,300 <br />70 <br />76 <br />92 <br /><10 <br /><100 <br /><10 <br /><10 <br /><10 <br /><10 <br /><10 <br />- <br />08/14/03 <br />23.34 <br />0.00 <br />-13.93 <br /><5,000 <br />310 <br />2,300 <br />95 <br />67 <br /><100 <br /><50 <br /><500 <br /><200 <br /><200 <br /><200 <br /><50 <br /><50 <br />11/03/03 <br />24.19 <br />0.00 <br />-14.78 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />11/06/03 <br />24.14 <br />0.00 <br />-14.73 <br />5,500 <br />750 <br />2,700 <br />58 <br />51 <br />79 <br /><25 <br /><250 <br /><100 <br /><100 <br /><100 <br /><25 <br /><25 <br />02/09/04 <br />23.23 <br />0.00 <br />-13.82 <br />6,800 <br />1,100 <br />2,200 <br />23 <br />23 <br />53 <br /><20 <br /><200 <br />- <br />- <br />- <br /><20 <br /><20 <br />05/10/04 <br />22.98 <br />0.00 <br />-13.57 <br />5,500 <br />920 <br />2,000 <br />16 <br />19 <br />35 <br /><13 <br /><130 <br />- <br />- <br />- <br /><13 <br /><13 <br />08/09/04 <br />23.67 <br />0.00 <br />-14.26 <br />5,100 <br />1,000 <br />1,600 <br />16 <br />15 <br />28 <br /><13 <br /><130 <br /><50 <br /><50 <br /><50 <br /><1,300 <br /><13 <br /><13 <br />11/15/04 <br />24.97 <br />0.00 <br />-15.56 <br />6,700 <br />1,200 <br />1,800 <br />18 <br />20 <br />33 <br /><13 <br /><130 <br />- <br />- <br />- <br />- <br /><13 <br /><13 <br />02/08/05 <br />23.95 <br />0.00 <br />-14.54 <br />6,100 <br />950 <br />1,400 <br /><13 <br />16 <br /><25 <br /><13 <br /><130 <br /><13 <br /><13 <br />05/09/05 <br />21.53 <br />0.00 <br />-12.12 <br />4,700 <br />700 <br />1,100 <br />15 <br />21 <br />33 <br /><13 <br /><130 <br /><13 <br /><13 <br />08/08/05 <br />22.54 <br />0.00 <br />-13.13 <br />5,500 <br />880 <br />1,400 <br />12 <br />22 <br />32 <br /><5.0 <br /><50 <br /><20 <br /><20 <br /><20 <br /><500 <br /><5.0 <br /><5.0 <br />11/07/05 <br />22.91 <br />0.00 <br />-13.50 <br />4,600 <br />1,000 <br />1,000 <br />18 <br />25 <br />33 <br /><5.0 <br /><50 <br />- <br />- <br />- <br />- <br /><5.0 <br /><5.0 <br />02/06/06 <br />23.81 <br />0.00 <br />-14.40 <br />2,700 <br />780 <br />480 <br />11 <br />16 <br />24 <br /><5.0 <br />- <br /><5.0 <br /><5.0 <br />05/08/06 <br />19.70 <br />0.00 <br />-10.29 <br />5,100 <br />1,800 <br />200 <br />10 <br />12 <br />22 <br /><2.0 <br /><20 <br /><1.0 <br /><2.0 <br />08/07/06 <br />20.96 <br />0.00 <br />-11.55 <br />3,400 <br />710 <br />360 <br />9.5 <br />17 <br />20 <br /><1.0 <br /><10 <br /><4.0 <br /><4.0 <br /><4.0 <br /><100 <br /><1.0 <br /><1.0 <br />10/30/06 <br />21.23 <br />0.00 <br />-11.82 <br />2,900 <br />790 <br />320 <br />9.4 <br />15 <br />20 <br /><1.0 <br /><10 <br />- <br />- <br />- <br />- <br /><1.0 <br /><1.0 <br />01/29/07 <br />20.87 <br />0.00 <br />-11.46 <br />2,800 <br />790 <br />270 <br />9.4 <br />15 <br />16 <br /><2.5 <br /><25 <br /><2.5 <br /><2.5 <br />05/07/07 <br />20.82 <br />0.00 <br />-11.41 <br />4,500 <br />1,100 <br />290 <br />11 <br />16 <br />21 <br /><2.0 <br /><20 <br /><1.0 <br /><2.0 <br />08/06/07 <br />21.18 <br />0.00 <br />-11.77 <br />4,700 <br />1,200 N <br />180 <br />8.7 <br />12 <br />19 <br /><2.0 <br />14 <br /><4.0 <br /><4.0 <br /><4.0 <br /><200 <br /><1.0 <br /><2.0 <br />11/05/07 <br />21.81 <br />0.00 <br />-12.40 <br />4,300 N <br />1,300 N <br />480 <br />15 <br />16 <br />22 <br /><2.0 <br />25 <br />- <br />- <br />- <br />- <br /><1.0 <br /><2.0 <br />02/04/08 <br />20.10 <br />0.00 <br />-10.69 <br />590 <br />100 N <br />270 <br />18 <br />19 <br />11 <br /><5.0 <br /><50 <br />- <br />- <br />- <br />- <br /><2.5 <br /><5.0 <br />05/05/08 <br />19.65 <br />0.00 <br />-10.24 <br />3,100 <br />750 N <br />320 <br />9.5 <br />12 <br />18 <br /><5.0 <br /><50 <br /><10 <br /><10 <br /><10 <br /><500 <br /><2.5 <br /><5.0 <br />08/04/08 <br />20.65 <br />0.00 <br />-11.24 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />08/05/08 <br />- <br />- <br />- <br />3,900 <br />530 N <br />350 <br />9.8 <br />10 <br />15 <br /><2.0 <br /><20 <br /><4.0 <br /><4.0 <br /><4.0 <br /><200 <br /><1.0 <br /><2.0 <br />10/28/08 <br />21.65 <br />0.00 <br />-12.24 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/29/08 <br />- <br />- <br />- <br />3,100 <br />800 N <br />190 <br />6.6 <br />6.5 <br />10 <br /><2.0 <br /><20 <br /><4.0 <br /><4.0 <br /><4.0 <br /><200 <br /><1.0 <br /><2.0 <br />01/27/09 <br />22.10 <br />0.00 <br />-12.69 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />01/28/09 <br />- <br />- <br />- <br />3,800 <br />940 N <br />250 <br />6.8 <br />9.5 <br />14 <br /><2.0 <br /><20 <br /><4.0 <br /><4.0 <br /><4.0 <br /><200 <br /><1.0 <br /><2.0 <br />04/27/09 <br />20.45 <br />0.00 <br />-11.04 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/28/09 <br />- <br />- <br />- <br />3,200 <br />830 N <br />220 <br />6.6 <br />9.6 <br />13 <br /><2.0 <br /><20 <br /><4.0 <br /><4.0 <br /><4.0 <br /><200 <br /><1.0 <br /><2.0 <br />10/14/09 <br />21.40 <br />0.00 <br />-11.99 <br />3,300 <br />400 N <br />2,000 <br />42 <br />46 <br />21 <br /><2.0 <br />44 <br /><4.0 <br /><4.0 <br /><4.0 <br /><200 <br /><1.0 <br /><2.0 <br />05/24/10 <br />18.82 <br />0.00 <br />-9.41 <br />3,000 <br />440 N <br />1,700 <br />36 <br />24 <br /><20 <br /><20 <br /><200 <br /><40 <br /><40 <br /><40 <br /><2,000 <br /><10 <br /><20 <br />10/04/10 <br />12.09 <br />20.30 <br />0.00 <br />-8.21 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/13/10 <br />- <br />- <br />- <br />2,700 <br /><1,000 <br />140 <br />6.2 <br />10 <br />12 <br /><0.50 <br />11 <br /><0.50 <br /><0.50 <br /><0.50 <br /><20 <br /><0.50 <br />04/04/11 NS <br />17.29 <br />0.00 <br />-5.20 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />C Zone, redevelopment <br />10/07/11 <br />- <br />- <br />- <br />MW -18-12( 09/24/02 <br />9.41 <br />23.71 <br />0.00 <br />-14.30 <br />09/27/02 <br />24.39 <br />0.00 <br />-14.98 <br />430 <br />- <br />49 <br />9.1 <br />3.0 <br />9.0 <br /><0.50 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><500 <br /><2.0 <br /><2.0 <br />- <br />11/13/02 <br />24.82 <br />0.00 <br />-15.41 <br />620 <br /><50 <br />56 <br />11 <br />3.5 <br />7.1 <br /><0.50 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br />- <br /><2.0 <br /><2.0 <br />3.8 <br />02/11/03 <br />23.25 <br />0.00 <br />-13.84 <br />330 <br /><100 <br />100 <br />8.9 <br />4.2 <br />5.7 <br /><0.50 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />2.0 <br />05/29/03 <br />22.92 <br />0.00 <br />-13.51 <br />900 <br />110 <br />240 <br />16 <br />10 <br />14 <br /><0.50 <br /><50 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />- <br />08/14/03 <br />23.39 <br />0.00 <br />-13.98 <br /><2,500 <br />300 <br />1,700 <br />58 <br />41 <br />53 <br /><25 <br /><250 <br /><100 <br /><100 <br /><100 <br /><25 <br /><25 <br />- <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 96 of 116 Stantec <br />