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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 />AMW-2 04/11/16 <br />12.28 <br />18.41 <br />0.00 <br />-6.13 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.20 <br />04/13/16 <br />- <br />- <br />- <br />4,800 <br />960 <br />8.0 <br />5.3 <br />12 <br /><1.2 <br />32 <br />- <br />12/12/16 <br />19.84 <br />0.00 <br />-7.56 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.42 <br />12/14/16 <br />- <br />- <br />- <br />920 <br />2.3 <br /><0.50 <br /><0.50 <br /><3.8 <br /><0.50 <br />15 <br />- <br />04/10/17 <br />12.11 <br />13.98 <br />0.00 <br />-1.87 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/11/17 <br />- <br />- <br />- <br />5,100 <br />490 <br />33 <br />33 <br />74 <br /><0.50 <br /><5.0 <br />0.15 <br />10/24/17 <br />16.75 <br />0.00 <br />-4.64 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.98 <br />10/25/17 <br />- <br />- <br />- <br />1,200 <br />1.9 <br /><0.50 <br /><0.50 <br />2.1 <br /><0.50 <br /><10.0 <br />- <br />05/07/18 <br />15.70 <br />0.00 <br />-3.59 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.65 <br />05/08/18 <br />- <br />- <br />- <br />144 BL <br />3.6 <br /><0.500 <br />0.51 <br /><1.50 <br /><0.500 <br /><10.0 <br />- <br />05/28/19 <br />14.81 <br />0.00 <br />-2.70 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.59 <br />05/29/19 <br />- <br />- <br />- <br /><100 <br /><1.00 <br /><1.00 <br /><1.00 <br /><3.00 <br /><1.00 <br /><5.00 <br />- <br />11/25/19 <br />15.97 <br />0.00 <br />-3.86 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />1.68 <br />12/02/19 <br />- <br />- <br />- <br /><108 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><10.0 <br />- <br />04/01 /20 <br />15.27 <br />0.00 <br />-3.16 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/02/20 <br />- <br />- <br />- <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br />4.42 <br />11/12/20 <br />17.02 <br />0.00 <br />-4.91 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br />13 <br />3.68 <br />05/05/21 <br />16.90 <br />0.00 <br />-4.79 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br />3.81 <br />12/01/21 <br />16.85 <br />0.00 <br />-4.74 <br /><100 <br /><0.5 <br /><0.5 <br /><0.5 <br /><1.5 <br /><0.5 <br /><5 <br /><0.5 <br />2.9 <br />05/06/22 <br />15.98 <br />0.00 <br />-3.87 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br />- <br />4.01 <br />12/09/22 <br />17.93 <br />0.00 <br />-5.82 <br /><100 <br /><0.500 <br /><0.500 <br /><0.500 <br /><1.50 <br /><0.500 <br /><5.00 <br />2.51 <br />AMW-3 05/11/92 <br />9.58 <br />39.05 <br />0.00 <br />-29.47 <br />65,000 <br />13,000 <br />3,000 <br />1,800 <br />8,300 <br />- <br />- <br />- <br />08/24/92 <br />40.84 <br />0.00 <br />-31.26 <br />77,000 <br />15,000 <br />9,400 <br />2,300 <br />2,300 <br />12/17/92 <br />41.69 <br />0.00 <br />-32.11 <br />67,000 <br />12,000 <br />5,500 <br />2,100 <br />7,200 <br />03/10/93 <br />39.54 <br />0.00 <br />-29.96 <br />51,000 <br />16,000 <br />1,300 <br />1,800 <br />4,900 <br />03/23/93 <br />38.02 <br />0.00 <br />-28.44 <br />42,000 <br />12,000 <br />2,300 <br />1,900 <br />3,300 <br />06/10/93 <br />37.42 <br />0.00 <br />-27.84 <br />44,000 <br />12,000 <br />2,100 <br />1,800 <br />3,200 <br />09/02/93 <br />38.23 <br />0.00 <br />-28.65 <br />49,000 <br />13,000 <br />2,200 <br />2,100 <br />4,500 <br />10/28/93 <br />38.46 <br />0.00 <br />-28.88 <br />46,000 <br />14,000 <br />1,900 <br />2,000 <br />4,200 <br />06/29/94 <br />37.83 <br />0.00 <br />-28.25 <br />44,000 <br />14,000 <br />5,300 <br />1,800 <br />5,500 <br />09/26/94 <br />39.01 <br />0.00 <br />-29.43 <br />45,000 <br />9,200 <br />2,500 <br />1,000 <br />2,700 <br />12/01/94 NS <br />39.24 <br />0.00 <br />-29.66 <br />- <br />- <br />- <br />- <br />- <br />02/16/95 <br />36.24 <br />0.00 <br />-26.66 <br />37,000 <br />14,000 <br />340 <br />2,100 <br />470 <br />(53) <br />05/17/95 <br />31.49 <br />0.00 <br />-21.91 <br />39,000 <br />13,000 <br />1,200 <br />2,100 <br />1,500 <br />(53) <br />08/15/95 <br />31.06 <br />0.00 <br />-21.48 <br />31,000 <br />11,000 <br />220 <br />1,800 <br />910 <br />(53) <br />11/29/95 <br />31.25 <br />0.00 <br />-21.67 <br />41,000 <br />10,000 <br />350 <br />1,900 <br />860 <br />(53) <br />02/27/96 <br />28.51 <br />0.00 <br />-18.93 <br />36,000 <br />10,000 <br />510 <br />1,800 <br />990 <br />05/15/96 <br />26.82 <br />0.00 <br />-17.24 <br />40,000 <br />12,000 <br />690 <br />2,000 <br />1,300 <br /><500 <br />(53) <br />08/22/96 <br />27.35 <br />0.00 <br />-17.77 <br />53,000 <br />14,000 <br />2,000 <br />2,400 <br />2,900 <br /><500 <br />11/25/96 <br />27.66 <br />0.00 <br />-18.08 <br />45,000 <br />11,000 <br />1,100 <br />2,100 <br />1,800 <br /><500 <br />02/24/97 <br />23.55 <br />0.00 <br />-13.97 <br />38,000 <br />9,200 <br />460 <br />1,800 <br />1,200 <br /><500 <br />05/19/97 <br />23.42 <br />0.00 <br />-13.84 <br />38,000 <br />9,800 <br />620 <br />1,900 <br />1,100 <br /><600 <br />08/21/97 <br />24.49 <br />0.00 <br />-14.91 <br />36,000 <br />9,500 <br />910 <br />2,000 <br />1,500 <br /><2,000 <br />(53) <br />11/17/97 <br />25.57 <br />0.00 <br />-15.99 <br />37,000 <br />12,000 <br />2,100 <br />2,100 <br />3,000 <br /><1,000 <br />(54) <br />02/09/98 <br />23.07 <br />0.00 <br />-13.49 <br />32,000 <br />9,700 <br />510 <br />2,000 <br />2,700 <br /><1,000 <br />(54) <br />05/22/98 <br />1 <br />19.13 <br />0.00 <br />-9.55 <br />1 21,000 <br />7,400 <br />140 <br />1,800 <br />480 <br /><100 <br /><10,000 <100 <br /><100 <100 <br />(54) <br />stockton_charter_ way_comingles_Plume_4g22.xlsm Page 9 of 116 Stantec <br />