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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 />CMW-3 02/08/05 <br />9.07 <br />21.96 <br />0.00 <br />-12.89 <br />7,200 <br />200 <br />37 <br />180 <br />180 <br />2.2 <br />Duplicate 6 <br />05/09/05 <br />17.78 <br />0.00 <br />-8.71 <br />15,000 <br />990 <br />27 <br />76 <br />91 <br />1.6 <br />08/08/05 <br />20.50 <br />0.00 <br />-11.43 <br />7,300 <br />1,500 <br />830 <br />25 <br />81 <br />88 <br />6.0 <br /><5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br />0.80 <br /><0.5 <br />2.1 <br />11/07/05 <br />21.68 <br />0.00 <br />-12.61 <br />7,200 <br />1,300 <br />1,200 <br />33 <br />130 <br />120 <br />11 <br />34 <br /><1 <br /><1 <br /><1 <br /><100 <br /><1 <br /><1 <br />1.5 <br />02/06/06 <br />20.52 <br />0.00 <br />-11.45 <br />6,400 <br />1,900 <br />710 <br />20 <br />75 <br />79 <br />9.0 <br />34 <br /><1 <br /><1 <br /><1 <br /><100 <br /><1 <br /><1 <br />1.7 <br />05/08/06 <br />18.08 <br />0.00 <br />-9.01 <br />4,500 <br />1,400 <br />480 <br />16 <br />55 <br />59 <br />8.0 <br /><5 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br />0.60 <br /><0.5 <br />1.5 <br />08/07/06 <br />18.44 <br />0.00 <br />-9.37 <br />6,500 <br />1,600 <br />750 <br />21 <br />61 <br />74 <br />7.0 <br />37 <br /><0.5 <br /><0.5 <br /><0.5 <br />130 <br /><0.5 <br /><0.5 <br />1.6 <br />10/30/06 <br />19.32 <br />0.00 <br />-10.25 <br />6,500 <br />2,400 <br />690 <br />22 <br />79 <br />79 <br />7.0 <br />30 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />1.3 <br />01/29/07 <br />19.48 <br />0.00 <br />-10.41 <br />7,400 <br />2,600 <br />800 <br />11 <br />50 <br />72 <br />7.0 <br />31 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br />0.50 <br /><0.5 <br />1.5 <br />05/07/07 <br />18.89 <br />0.00 <br />-9.82 <br />6,900 <br />2,100 <br />640 <br />20 <br />94 <br />74 <br />8.0 <br />34 <br /><1 <br /><1 <br /><1 <br /><100 <br /><1 <br /><1 <br />1.3 <br />08/06/07 <br />19.55 <br />0.00 <br />-10.48 <br />9,000 <br />1,800 <br />860 <br />25 <br />150 <br />98 <br />8.0 <br />25 <br /><1 <br /><1 <br /><1 <br /><100 <br /><1 <br /><1 <br />1.1 <br />11/05/07 <br />20.15 <br />0.00 <br />-11.08 <br />6,900 <br />2,600 <br />890 <br />21 <br />98 <br />71 <br />7.0 <br />30 <br /><1 <br /><1 <br /><1 <br /><100 <br /><1 <br /><1 <br />0.9 <br />02/04/08 <br />10.74 <br />18.67 <br />0.00 <br />-7.93 <br />6,800 <br />1,900 <br />30 <br />35 <br />270 <br />160 <br />5.0 <br />19 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />1.1 <br />05/05/08 <br />18.14 <br />0.00 <br />-7.40 <br />4,500 <br />1,400 <br />480 <br />16 <br />49 <br />61 <br />7.0 <br />33 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br />0.70 <br /><0.5 <br />1.7 <br />08/04/08 <br />19.12 <br />0.00 <br />-8.38 <br />15,000 <br />1,400 <br />620 <br />17 <br />29 <br />48 <br />5.0 <br />23 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />1.9 <br />10/28/08 <br />20.13 <br />0.00 <br />-9.39 <br />5,100 <br />1,900 <br />550 <br />14 <br />37 <br />42 <br />5.0 <br />24 <br /><1 <br /><1 <br /><1 <br /><100 <br /><1 <br /><1 <br />1.1 <br />01/27/09 <br />20.15 <br />0.00 <br />-9.41 <br />3,500 <br />1,600 <br />540 <br />13 <br />25 <br />43 <br />6.0 <br />29 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />1.0 <br />04/27/09 <br />18.68 <br />0.00 <br />-7.94 <br />4,500 <br />1,200 <br />550 <br />12 <br />20 <br />43 <br />4.0 <br />27 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br />0.70 <br /><0.5 <br />0.7 <br />10/14/09 <br />20.15 <br />0.00 <br />-9.41 <br />5,300 <br />2,200 <br />470 <br />24 <br />28 <br />49 <br />5.0 <br />52 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />0.9 <br />05/24/10 <br />17.67 <br />0.00 <br />-6.93 <br />3,200 <br />1,400 <br />170 <br />6.0 <br />14 <br />23 <br />4.0 <br />43 <br /><0.5 <br /><0.5 <br /><0.5 <br /><50 <br /><0.5 <br /><0.5 <br />1.1 <br />09/03/10 <br />18.23 <br />0.00 <br />-7.49 <br />3,300 <br />5,700 <br />760 <br />410 <br />35 <br />120 <br />86 <br /><0.90 <br />16 <br /><0.90 <br /><0.90 <br /><0.90 <br /><80 <br /><90 <br /><0.90 <br />- <br />1.7 <br />09/03/10 <br />DUP <br />18.23 <br />0.00 <br />-7.49 <br />2,900 <br />- <br />- <br />260 <br />5.3 <br />7.8 <br />15 <br />2.6 <br />51 <br /><0.50 <br /><0.50 <br /><0.50 <br />- <br />- <br /><0.50 <br /><0.50 <br />1.7 <br />10/04/10 <br />10.84 <br />18.64 <br />0.00 <br />-7.80 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/14/10 <br />- <br />- <br />- <br />2,900 <br /><800 <br /><100 <br />300 <br />9.1 <br />31 <br />29 <br />3.3 <br />60 <br /><0.50 <br /><0.50 <br /><0.50 <br /><5.0 <br /><50 <br /><0.50 <br />- <br />04/04/11 <br />NS <br />16.10 <br />0.00 <br />-5.26 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.56 <br />Cross -screened <br />10/16/12 <br />NSP <br />17.71 <br />0.00 <br />-6.87 <br />04/22/13 <br />NSP <br />15.88 <br />0.00 <br />-5.04 <br />10/14/13 <br />NSP <br />17.29 <br />0.00 <br />-6.45 <br />04/22/14 <br />NSP <br />16.77 <br />0.00 <br />-5.93 <br />10/20/14 <br />NSP <br />18.50 <br />0.00 <br />-7.66 <br />04/27/15 <br />NSP <br />17.02 <br />0.00 <br />-6.18 <br />07/09/15 <br />DEST <br />- <br />- <br />- <br />CMW-4A 02/04/08 <br />10.79 <br />18.25 <br />0.00 <br />-7.46 <br />400 <br />300 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />6.0 <br />670 <br /><0.5 <br /><0.5 <br />05/05/08 <br />18.03 <br />0.00 <br />-7.24 <br />140 <br />300 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />78 <br />34 <br /><0.5 <br />- <br />08/04/08 <br />18.89 <br />0.00 <br />-8.10 <br />5,300 <br />270 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />39 <br />180 <br /><0.5 <br /><0.5 <br />10/28/08 <br />19.91 <br />0.00 <br />-9.12 <br /><50 <br />350 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />29 <br />22 <br /><0.5 <br /><0.5 <br />01/27/09 <br />19.91 <br />0.00 <br />-9.12 <br /><50 <br />360 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />21 <br />8.0 <br /><0.5 <br /><0.5 <br />04/27/09 <br />18.53 <br />0.00 <br />-7.74 <br />66 <br />1,300 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />27 <br />42 <br /><0.5 <br /><0.5 <br />10/14/09 <br />19.80 <br />0.00 <br />-9.01 <br />70 <br />1,300 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />- <br />- <br />- <br />- <br />05/24/10 <br />17.48 <br />0.00 <br />-6.69 <br /><50 <br />1,000 <br /><0.5 <br /><0.5 <br /><0.5 <br /><0.5 <br />8.0 <br />100 <br /><0.5 <br />1.0 <br /><0.5 <br /><0.5 <br />10/04/10 <br />10.88 <br />18.44 <br />0.00 <br />-7.56 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/13/10 <br />- <br />- <br />- <br />150 <br />140 <br /><100 <br />20 <br />14 <br />1.0 <br />6.0 <br />88 <br />150 <br /><0.50 <br /><0.50 <br />2.1 <br /><5.0 <br /><50 <br /><0.50 <br />04/04/11 <br />15.80 <br />0.00 <br />-4.92 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.33 <br />A Zone <br />04/06/11 <br />- <br />- <br />- <br />190 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />3.6 <br />430 <br />- <br />A Zone <br />10/03/11 <br />16.27 <br />0.00 <br />-5.39 <br />670 <br />0.82 <br /><0.50 <br /><0.50 <br />1.6 <br />14 <br />1,800 <br />0.67 <br />04/09/12 <br />1 <br />16.47 <br />0.00 <br />-5.59 <br />1 - <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 33 of 116 Stantec <br />