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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-9 06/10/93 <br />9.99 <br />38.32 <br />0.00 <br />-28.33 <br />46,000 <br />5,900 <br />1,000 <br />710 <br />780 <br />09/20/93 <br />- <br />- <br />- <br />62,000 <br />11,000 <br />3,500 <br />1,300 <br />1,500 <br />10/22/93 <br />39.41 <br />0.00 <br />-29.42 <br />- <br />- <br />- <br />- <br />- <br />12/22/93 <br />39.37 <br />0.00 <br />-29.38 <br />- <br />- <br />- <br />- <br />- <br />03/16/94 <br />38.69 <br />0.00 <br />-28.70 <br />34,000 <br />6,100 <br />600 <br />490 <br />680 <br />06/15/94 <br />38.22 <br />0.00 <br />-28.23 <br />7,500 <br />7,200 <br />270 <br />180 <br />370 <br />09/22/94 <br />39.70 <br />0.00 <br />-29.71 <br />24,000 <br />6,000 <br />1,000 <br />340 <br />690 <br />12/01/94 <br />39.72 <br />0.00 <br />-29.73 <br />60,000 <br />16,000 <br />7,600 <br />1,700 <br />4,700 <br />02/16/95 <br />36.54 <br />0.00 <br />-26.55 <br />50,000 <br />14,000 <br />4,900 <br />1,400 <br />3,200 <br />05/17/95 <br />32.09 <br />0.00 <br />-22.10 <br />17,000 <br />3,800 <br />810 <br />320 <br />850 <br />08/15/95 <br />31.75 <br />0.00 <br />-21.76 <br />43,000 <br />12,000 <br />4,300 <br />940 <br />3,000 <br />11/16/95 <br />32.02 <br />0.00 <br />-22.03 <br />19,000 <br />8,000 <br />680 <br />260 <br />610 <br />02/27/96 <br />29.50 <br />0.00 <br />-19.51 <br />20,000 <br />9,700 <br />300 <br />190 <br />480 <br />05/15/96 <br />27.25 <br />0.00 <br />-17.26 <br />49,000 <br />17,000 <br />4,200 <br />1,200 <br />3,400 <br />08/22/96 <br />28.17 <br />0.00 <br />-18.18 <br />17,000 <br />7,600 <br />170 <br />160 <br />450 <br />11/25/96 <br />28.00 <br />0.00 <br />-18.01 <br />18,000 <br />8,800 <br />580 <br />170 <br />560 <br />02/24/97 <br />24.47 <br />0.00 <br />-14.48 <br />37,000 <br />12,000 <br />2,200 <br />550 <br />1,900 <br />05/19/97 <br />24.20 <br />0.00 <br />-14.21 <br />15,000 <br />14,000 <br />350 <br />240 <br />750 <br />08/21/97 <br />25.15 <br />0.00 <br />-15.16 <br />38,000 <br />17,000 <br />310 <br />250 <br />630 <br />11/18/97 <br />26.14 <br />0.00 <br />-16.15 <br />1,800 <br />7,300 <br />150 <br />91 <br />280 <br />02/09/98 <br />23.96 <br />0.00 <br />-13.97 <br />34,000 <br />15,000 <br />780 <br />310 <br />1,200 <br />05/21/98 <br />19.67 <br />0.00 <br />-9.68 <br />58,000 <br />7,900 <br />1,000 <br />430 <br />1,100 <br />08/11/98 <br />19.63 <br />0.00 <br />-9.64 <br />12,000 <br />3,900 <br />94 <br />51 <br />140 <br />11/09/98 <br />20.90 <br />0.00 <br />-10.91 <br />12,000 <br />3,500 <br />140 <br />64 <br />130 <br />02/17/99 <br />20.53 <br />0.00 <br />-10.54 <br />6,100 <br />2,700 <br />25 <br /><5.00 <br />10 <br />05/25/99 <br />19.37 <br />0.00 <br />-9.38 <br />11,000 <br />3,800 <br />50 <br />56 <br />100 <br />08/18/99 <br />20.13 <br />0.00 <br />-10.14 <br />1,100 <br />500 <br /><5.00 <br /><5.00 <br /><5.00 <br />11/05/99 <br />19.39 <br />0.00 <br />-9.40 <br />6,300 <br />2,800 <br /><50.0 <br /><50.0 <br /><50.0 <br />02/22/00 <br />19.86 <br />0.00 <br />-9.87 <br />15,000 <br />5,400 <br />290 <br />140 <br />320 <br />05/16/00 <br />19.33 <br />0.00 <br />-9.34 <br />12,000 <br />5,200 <br />120 <br /><100 <br />300 <br /><2.00 <br />150 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br />08/30/00 <br />20.26 <br />0.00 <br />-10.27 <br />3,800 <br />410 <br />1,500 <br /><20.0 <br /><20.0 <br /><20.0 <br /><20.0 <br /><1,000 <br /><20.0 <br /><20.0 <br /><20.0 <br /><20.0 <br /><20.0 <br />11/21/00 <br />21.10 <br />0.00 <br />-11.11 <br />7,000 <br />1,000 <br />3,100 <br />48 <br />34 <br />91 <br /><10 <br /><250 <br /><10 <br /><10 <br /><10 <br /><10 <br /><10 <br />02/15/01 <br />21.25 <br />0.00 <br />-11.26 <br />12,000 <br />770 <br />4,100 <br />190 <br />100 <br />310 <br />2.2 <br /><200 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br /><2.00 <br />05/17/01 <br />20.60 <br />0.00 <br />-10.61 <br />8,000 <br /><400 <br />2,500 <br />430 <br />84 <br />340 <br /><10 <br /><100 <br /><10 <br /><10 <br /><10 <br /><10 <br /><10 <br />08/16/01 <br />21.88 <br />0.00 <br />-11.89 <br />1,800 <br /><200 <br />700 <br />6.3 <br />3.6 <br />6.0 <br /><2.5 <br />63 <br /><2.5 <br /><2.5 <br /><2.5 <br /><2.5 <br /><2.5 <br />12/06/01 <br />23.93 <br />0.00 <br />-13.94 <br />3,600 <br /><250 <br />1,400 <br />26 <br />15 <br />44 <br /><5.0 <br />63 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br />02/14/02 <br />9.03 <br />21.46 <br />0.00 <br />-12.43 <br />11,000 <br /><600 <br />4,400 <br />84 <br />65 <br />190 <br /><20 <br /><200 <br /><20 <br /><20 <br /><20 <br /><20 <br /><20 <br />05/31/02 <br />21.37 <br />0.00 <br />-12.34 <br />7,500 <br /><250 <br />1,700 <br />180 <br />52 <br />190 <br /><10 <br /><100 <br /><10 <br /><10 <br /><10 <br /><10 <br /><10 <br />08/23/02 <br />22.74 <br />0.00 <br />-13.71 <br />3,500 <br /><300 <br />1,000 <br />7.9 <br />7.4 <br />13 <br /><5.0 <br /><50 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br />Duplicate 1 <br />09/27/02 <br />23.07 <br />0.00 <br />-14.04 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />11/13/02 <br />23.60 <br />0.00 <br />-14.57 <br />4,300 <br /><200 <br />1,200 <br />16 <br />9.7 <br />25 <br /><5.0 <br />56 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br /><5.0 <br />0.8 <br />02/11/03 <br />22.54 <br />0.00 <br />-13.51 <br />7,900 <br /><1,000 <br />3,100 <br />36 <br />27 <br />61 <br />3.5 <br />75 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br /><2.0 <br />1.5 <br />05/29/03 <br />22.25 <br />0.00 <br />-13.22 <br />5,700 <br /><600 <br />1,600 <br />22 <br />13 <br />29 <br /><10 <br /><100 <br /><10 <br /><10 <br /><10 <br /><10 <br /><10 <br />- <br />08/14/03 <br />23.43 <br />0.00 <br />-14.40 <br />9,200 <br />520 <br />1,900 <br /><50 <br /><50 <br /><100 <br /><50 <br /><500 <br /><200 <br /><200 <br /><200 <br /><50 <br /><50 <br />11/03/03 <br />23.96 <br />0.00 <br />-14.93 <br />9,400 <br />530 <br />3,200 <br />84 <br />40 <br />110 <br /><20 <br /><200 <br /><80 <br /><80 <br /><80 <br /><20 <br /><20 <br />02/09/04 <br />1 <br />23.44 <br />0.00 <br />-14.41 <br />1 6,100 <br />800 <br />2,600 <br />38 <br />29 <br />66 <br /><25 <br /><250 <br />- <br />- <br />- <br /><25 <br /><25 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 76 of 116 Stantec <br />