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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-5 10/16/13 <br />11.90 <br />- <br />- <br />- <br />15,000 <br />2,200 <br />110 <br />510 <br />300 <br /><2.5 <br />17 <br />- <br />04/22/14 <br />17.90 <br />0.00 <br />-6.00 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />2.71 <br />04/24/14 <br />- <br />- <br />- <br />16,000 <br />1,700 <br />100 <br />460 <br />270 <br /><4.0 <br /><20 <br />- <br />10/20/14 <br />19.67 <br />0.00 <br />-7.77 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.90 <br />10/23/14 <br />- <br />- <br />- <br />12,000 <br />1,600 <br />81 <br />280 <br />210 <br /><4.0 <br /><20 <br />- <br />04/27/15 <br />18.13 <br />0.00 <br />-6.23 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.50 <br />04/28/15 <br />- <br />- <br />- <br />14,000 <br />1,700 <br />71 <br />320 <br />160 <br /><3.6 <br /><35.7 <br />- <br />10/19/15 <br />19.95 <br />0.00 <br />-8.05 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.59 <br />10/21/15 <br />- <br />- <br />- <br />14,000 <br />2,100 <br />120 <br />460 <br />300 <br /><2.5 <br /><25.0 <br />- <br />04/11/16 <br />17.94 <br />0.00 <br />-6.04 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.27 <br />04/13/16 <br />- <br />- <br />- <br />9,200 <br />1,100 <br />87 <br />300 <br />240 <br /><1.7 <br /><16.6 <br />- <br />12/12/16 <br />19.40 <br />0.00 <br />-7.50 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.40 <br />12/14/16 <br />- <br />- <br />- <br />12,000 <br />1,100 <br />82 <br />300 <br />280 <br /><1.7 <br /><16.6 <br />- <br />04/10/17 <br />11.72 <br />13.60 <br />0.00 <br />-1.88 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/12/17 <br />- <br />- <br />- <br />9,700 <br />720 <br />77 <br />280 <br />250 <br /><1.0 <br /><10.0 <br />0.41 <br />10/24/17 <br />16.51 <br />0.00 <br />-4.79 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.18 <br />10/26/17 <br />- <br />- <br />- <br />8,500 <br />910 <br />58 <br />170 <br />230 <br /><1.7 <br /><33.3 <br />- <br />05/07/18 <br />15.30 <br />0.00 <br />-3.58 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.34 <br />05/09/18 <br />- <br />- <br />- <br />12,000 <br />1,100 <br />83 <br />110 <br />240 <br /><2.50 <br /><50.0 <br />- <br />05/28/19 <br />13.50 <br />0.00 <br />-1.78 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.06 <br />05/31/19 <br />- <br />- <br />- <br />12,000 <br />1,100 <br />75 <br />190 <br />240 <br /><5.00 <br /><25.0 <br />- <br />11/25/19 <br />15.54 <br />0.00 <br />-3.82 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.66 <br />12/02/19 <br />- <br />- <br />- <br />3,100 <br />1,700 <br />18 <br />61 <br />39 <br /><2.50 <br /><250 <br />- <br />04/01/20 <br />14.84 <br />0.00 <br />-3.12 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />Odor <br />04/02/20 <br />- <br />- <br />- <br />5,000 <br />140 <br />7.3 <br />11 <br />48 <br /><5 <br /><50 <br />0.28 <br />11/12/20 <br />16.78 <br />0.00 <br />-5.06 <br />14,000 <br />2,700 <br />93 <br />310 <br />180 <br /><0.5 <br /><5 <br />0.37 <br />05/06/21 <br />15.85 <br />0.00 <br />-4.13 <br />760 <br />55 <br />1.8 <br />2.0 <br />6.6 <br /><0.5 <br />6.8 <br />1.54 <br />11/22/21 <br />INA, NS <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />05/05/22 <br />INA, NS <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />12/09/22 <br />18.67 <br />0.00 <br />-6.95 <br />1,200 <br />240 <br />6.4 <br />13 <br />7.7 <br /><0.500 <br /><5.00 <br />3.01 <br />AMW-6 10/28/93 <br />8.93 <br />37.08 <br />0.00 <br />-28.15 <br />93,000 <br />15,000 <br />20,000 <br />1,600 <br />11,000 <br />- <br />- <br />- <br />03/23/94 <br />37.61 <br />0.00 <br />-28.68 <br />79,000 <br />11,000 <br />14,000 <br />1,500 <br />9,300 <br />06/29/94 <br />36.92 <br />0.00 <br />-27.99 <br />60,000 <br />11,000 <br />15,000 <br />1,000 <br />8,300 <br />09/26/94 <br />38.15 <br />0.00 <br />-29.22 <br />92,000 <br />7,500 <br />13,000 <br />1,100 <br />6,800 <br />12/01/94 <br />NS <br />38.36 <br />0.00 <br />-29.43 <br />- <br />- <br />- <br />- <br />- <br />02/16/95 <br />37.06 <br />0.00 <br />-28.13 <br />39,000 <br />6,400 <br />5,200 <br />850 <br />4,400 <br />(47) <br />05/17/95 <br />30.64 <br />0.00 <br />-21.71 <br />130,000 <br />9,900 <br />16,000 <br />1,800 <br />10,000 <br />(46) <br />08/15/95 <br />30.22 <br />0.00 <br />-21.29 <br />120,000 <br />7,700 <br />9,700 <br />1,500 <br />8,900 <br />(46) <br />11/29/95 <br />30.30 <br />0.00 <br />-21.37 <br />160,000 <br />8,200 <br />11,000 <br />1,700 <br />10,000 <br />(45) <br />02/27/96 <br />27.55 <br />0.00 <br />-18.62 <br />96,000 <br />10,000 <br />13,000 <br />1,400 <br />8,100 <br />05/15/96 <br />25.79 <br />0.00 <br />-16.86 <br />99,000 <br />8,800 <br />12,000 <br />1,400 <br />8,000 <br /><900 <br />(47) <br />08/22/96 <br />26.48 <br />0.00 <br />-17.55 <br />98,000 <br />8,200 <br />7,300 <br />1,600 <br />9,000 <br /><1,000 <br />11/25/96 <br />26.61 <br />0.00 <br />-17.68 <br />84,000 <br />9,300 <br />9,500 <br />1,500 <br />8,800 <br /><900 <br />02/24/97 <br />22.77 <br />0.00 <br />-13.84 <br />140,000 <br />9,700 <br />11,000 <br />1,400 <br />8,500 <br /><2,000 <br />05/19/97 <br />22.53 <br />0.00 <br />-13.60 <br />69,000 <br />7,900 <br />5,000 <br />1,200 <br />7,700 <br /><600 <br />08/21/97 <br />1 <br />23.65 <br />0.00 <br />-14.72 <br />1 86,000 <br />7,400 <br />4,000 <br />1,300 <br />7,400 <br /><1,000 <br />(45) <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 15 of 116 Stantec <br />