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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 />CMW-2 04/04/11 <br />NS <br />11.52 <br />16.81 <br />0.00 <br />-5.29 <br />0.71 <br />A Zone, submerged <br />10/16/12 <br />NSP <br />17.89 <br />0.00 <br />-6.37 <br />- <br />04/22/13 <br />NSP <br />16.55 <br />0.00 <br />-5.03 <br />10/14/13 <br />NSP <br />17.98 <br />0.00 <br />-6.46 <br />04/22/14 <br />NSP <br />17.41 <br />0.00 <br />-5.89 <br />10/20/14 <br />NSP <br />19.47 <br />0.00 <br />-7.95 <br />04/27/15 <br />NSP <br />17.74 <br />0.00 <br />-6.22 <br />07/09/15 <br />DEST <br />- <br />- <br />- <br />CMW-3 03/23/95 <br />9.48 <br />33.24 <br />0.00 <br />-23.76 <br />05/26/95 <br />30.51 <br />0.00 <br />-21.03 <br />44,000 <br />2,900 <br />4,600 <br />660 <br />5,100 <br />17 <br />08/15/95 <br />30.61 <br />0.00 <br />-21.13 <br />31,000 <br />2,400 <br />2,900 <br />700 <br />3,600 <br /><25 <br />11/16/95 <br />30.82 <br />0.00 <br />-21.34 <br />28,000 <br />1,200 <br />2,700 <br />750 <br />3,700 <br />- <br />02/27/96 <br />28.02 <br />0.00 <br />-18.54 <br />9,100 <br />850 <br />480 <br />2,400 <br />570 <br />05/15/96 <br />26.67 <br />0.00 <br />-17.19 <br />8,500 <br />990 <br />430 <br />190 <br />390 <br />08/22/96 <br />27.03 <br />0.00 <br />-17.55 <br />10,000 <br />1,300 <br />770 <br />310 <br />690 <br />11/25/96 <br />27.09 <br />0.00 <br />-17.61 <br />7,600 <br />670 <br />150 <br />160 <br />200 <br />05/19/97 <br />23.15 <br />0.00 <br />-13.67 <br />9,000 <br />1,100 <br />320 <br />250 <br />450 <br />08/21/97 <br />23.80 <br />0.00 <br />-14.32 <br />7,100 <br />800 <br />180 <br />150 <br />250 <br />11/17/97 <br />25.13 <br />0.00 <br />-15.65 <br />15,000 <br />1,400 <br />670 <br />370 <br />1,100 <br />02/09/98 <br />22.56 <br />0.00 <br />-13.08 <br />820 <br />50 <br />1.8 <br />14 <br />11 <br />05/21/98 <br />9.07 <br />18.70 <br />0.00 <br />-9.63 <br />1,100 <br />33 <br /><5.0 <br /><5.0 <br />19 <br />08/11/98 <br />18.48 <br />0.00 <br />-9.41 <br /><50 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />11/09/98 <br />19.56 <br />0.00 <br />-10.49 <br />1,300 <br />130 <br />15 <br />18 <br />44 <br />02/17/99 <br />18.69 <br />0.00 <br />-9.62 <br />2,000 <br />190 <br /><2.5 <br />7.8 <br />15 <br />05/25/99 <br />18.49 <br />0.00 <br />-9.42 <br />4,700 <br />610 <br />23 <br />70 <br />210 <br />08/18/99 <br />19.70 <br />0.00 <br />-10.63 <br />3,100 <br />230 <br />120 <br />150 <br />390 <br />05/31/00 <br />18.02 <br />0.00 <br />-8.95 <br />5,700 <br />550 <br />42 <br />150 <br />230 <br />08/14/00 <br />18.99 <br />0.00 <br />-9.92 <br />4,800 <br />690 <br />28 <br />140 <br />160 <br />11/21/00 <br />18.90 <br />0.00 <br />-9.83 <br />- <br />- <br />- <br />- <br />- <br />12/02/00 <br />19.96 <br />0.00 <br />-10.89 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />02/15/01 <br />20.04 <br />0.00 <br />-10.97 <br />5,700 <br />310 <br />25 <br />140 <br />130 <br />05/17/01 <br />19.29 <br />0.00 <br />-10.22 <br />6,900 <br />580 <br />62 <br />230 <br />260 <br />08/16/01 <br />21.75 <br />0.00 <br />-12.68 <br />5,800 <br />550 <br />57 <br />210 <br />220 <br />12/06/01 <br />21.66 <br />0.00 <br />-12.59 <br />12,000 <br />150 <br />99 <br />510 <br />450 <br />02/14/02 <br />20.14 <br />0.00 <br />-11.07 <br />6,800 <br />330 <br />16 <br />95 <br />93 <br />05/31/02 <br />20.12 <br />0.00 <br />-11.05 <br />7,400 <br />470 <br />31 <br />150 <br />150 <br />08/23/02 <br />21.57 <br />0.00 <br />-12.50 <br />7,000 <br />470 <br />31 <br />170 <br />160 <br />11/13/02 <br />22.35 <br />0.00 <br />-13.28 <br />5,600 <br />370 <br />28 <br />160 <br />140 <br />02/12/03 <br />21.47 <br />0.00 <br />-12.40 <br />6,900 <br />400 <br />26 <br />140 <br />120 <br />05/29/03 <br />20.78 <br />0.00 <br />-11.71 <br />5,800 <br />280 <br />27 <br />130 <br />130 <br />08/04/03 <br />21.57 <br />0.00 <br />-12.50 <br />5,100 <br />270 <br />19 <br />96 <br />97 <br />11/03/03 <br />22.43 <br />0.00 <br />-13.36 <br />6,800 <br />500 <br />35 <br />160 <br />170 <br />02/09/04 <br />21.89 <br />0.00 <br />-12.82 <br />7,800 <br />1,000 <br />43 <br />200 <br />200 <br />05/10/04 <br />21.25 <br />0.00 <br />-12.18 <br />7,000 <br />1,500 <br />40 <br />150 <br />170 <br />08/09/04 <br />22.58 <br />0.00 <br />-13.51 <br />8,300 <br />120 <br />56 <br />240 <br />220 <br />1.9 <br />11/15/04 <br />1 <br />23.30 <br />0.00 <br />-14.23 <br />1 6,700 <br />640 <br />57 <br />210 <br />240 <br />2.1 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 32 of 116 Stantec <br />