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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 11/13/02 <br />9.28 <br />22.76 <br />0.00 <br />-13.48 <br /><50 <br />1.2 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br />- <br />- <br />- <br />- <br />- <br />- <br />02/12/03 <br />22.76 <br />0.00 <br />-13.48 <br />76 <br />4.1 <br /><0.50 <br />1.4 <br />1.7 <br /><0.50 <br /><20 <br /><0.50 <br /><0.50 <br /><0.50 <br /><40 <br /><0.50 <br />3.1 <br />05/29/03 <br />21.26 <br />0.00 <br />-11.98 <br />110 <br />5.9 <br /><0.50 <br />0.61 <br />2.7 <br /><0.50 <br /><20 <br /><1.0 <br /><1.0 <br /><1.0 <br /><100 <br /><0.50 <br />3.7 <br />08/04/03 <br />21.86 <br />0.00 <br />-12.58 <br />390 R <br />29 <br />1.8 <br />3.2 <br />7.5 <br /><0.50 <br /><20 <br /><1.0 <br /><1.0 <br /><1.0 <br /><100 <br /><0.50 <br />2.6 <br />11/03/03 <br />22.91 <br />0.00 <br />-13.63 <br />620 <br />58 <br /><5.0 <br />10 <br />9.3 <br /><5.0 <br /><200 <br /><10 <br /><10 <br /><10 <br /><1,000 <br /><5.0 <br />2.6 <br />02/09/04 <br />22.25 <br />0.00 <br />-12.97 <br /><50 <br />0.96 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><20 <br /><1.0 <br /><1.0 <br /><1.0 <br /><100 <br /><0.50 <br />2.0 <br />05/10/04 <br />21.83 <br />0.00 <br />-12.55 <br /><50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><0.50 <br /><20 <br /><1.0 <br /><1.0 <br /><1.0 <br /><100 <br /><0.50 <br />1.6 <br />08/09/04 <br />22.94 <br />0.00 <br />-13.66 <br />1,300 <br />220 <br />17 <br />40 <br />47 <br /><5.0 <br /><200 <br /><5.0 <br /><5.0 <br /><5.0 <br /><1,000 <br /><5.0 <br />2.5 <br />11/15/04 <br />23.82 <br />0.00 <br />-14.54 <br />3,200 J <br />890 <br />56 <br />140 <br />170 <br /><25 <br /><1,000 <br /><50 <br /><50 <br /><50 <br /><5,000 <br /><25 <br />0.6 <br />02/08/05 <br />22.48 <br />0.00 <br />-13.20 <br />4,300 <br />890 <br />46 <br />120 <br />120 <br /><25 <br /><1,000 <br /><50 <br /><50 <br /><50 <br /><5,000 <br /><25 <br />0.9 <br />05/09/05 <br />20.28 <br />0.00 <br />-11.00 <br />2,000 <br />390 <br />32 <br />90 <br />180 <br /><25 <br /><1,000 <br /><50 <br /><50 <br /><50 <br /><5,000 <br /><25 <br />1.7 <br />08/17/05 <br />20.94 <br />0.00 <br />-11.66 <br />2,900 <br />390 <br />40 <br />120 <br />230 <br /><5.0 <br /><200 <br /><5.0 <br /><5.0 <br /><5.0 <br /><1,000 <br /><5.0 <br />0.4 <br />11/17/05 <br />NS <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />02/06/06 <br />NS <br />05/08/06 <br />NS <br />08/07/06 <br />19.48 <br />0.00 <br />-10.20 <br />4,700 <br />590 <br />45 <br />150 <br />190 <br /><5.0 <br /><200 <br /><5.0 <br /><5.0 <br /><5.0 <br /><3,000 <br /><5.0 <br />0.7 <br />10/30/06 <br />10.08 <br />20.40 <br />0.00 <br />-10.32 <br />8,800 <br />1,200 <br />84 <br />290 <br />310 <br /><5.0 <br /><200 <br /><5.0 <br /><5.0 <br /><5.0 <br /><3,000 <br /><5.0 <br />0.9 <br />01/29/07 <br />20.60 <br />0.00 <br />-10.52 <br />7,000 <br />1,100 <br />89 <br />380 <br />320 <br /><10 <br /><400 <br /><10 <br /><10 <br /><10 <br /><6,000 <br /><10 <br />1.0 <br />05/07/07 <br />20.70 <br />0.00 <br />-10.62 <br />5,200 <br />720 <br />47 <br />140 <br />190 <br /><10 <br /><400 <br /><10 <br /><10 <br /><10 <br /><6,000 <br /><10 <br />0.2 <br />08/06/07 <br />20.77 <br />0.00 <br />-10.69 <br />5,800 <br />940 <br />40 <br />82 <br />240 <br /><10 <br /><400 <br /><10 <br /><10 <br /><10 <br /><6,000 <br /><10 <br />1.0 <br />11/01/07 <br />21.27 <br />0.00 <br />-11.19 <br />8,200 <br />1,000 <br />75 <br />220 <br />270 <br /><10 <br /><400 <br /><10 <br /><10 <br /><10 <br /><6,000 <br /><10 <br />1.4 <br />02/04/08 <br />19.85 <br />0.00 <br />-9.77 <br />13,000 <br />1,600 <br />120 <br />370 <br />310 <br /><25 <br /><500 <br /><25 <br /><25 <br /><25 <br /><5,000 <br /><25 <br />1.3 <br />05/05/08 <br />19.25 <br />0.00 <br />-9.17 <br />7,000 <br />1,300 <br />56 <br />100 <br />220 <br /><25 <br /><500 <br /><25 <br /><25 <br /><25 <br /><15,000 <br /><25 <br />3.7 <br />08/04/08 <br />20.23 <br />0.00 <br />-10.15 <br />15,000 <br />1,500 <br />120 <br /><25 <br />380 <br /><25 <br /><500 <br /><25 <br /><25 <br /><25 <br /><15,000 <br /><25 <br />0.1 <br />10/23/08 <br />21.15 <br />0.00 <br />-11.07 <br />8,000 <br />260 <br />38 <br />51 <br />1,300 <br /><25 <br /><500 <br /><25 <br /><25 <br /><25 <br /><15,000 <br /><25 <br />1.7 <br />01/27/09 <br />21.28 <br />0.00 <br />-11.20 <br />1,400 <br />83 <br />8.6 <br />33 <br />71 <br /><2.5 <br /><50 <br /><2.5 <br /><2.5 <br /><2.5 <br /><1,500 <br /><2.5 <br />0.8 <br />04/27/09 <br />19.80 <br />0.00 <br />-9.72 <br />2,400 <br />65 <br />6.9 <br />28 <br />76 <br /><2.0 <br /><40 <br /><2.0 <br /><2.0 <br /><2.0 <br /><1,200 <br /><2.0 <br />1.1 <br />07/22/09 <br />20.84 <br />0.00 <br />-10.76 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />13.5 <br />07/23/09 <br />- <br />- <br />- <br />3,000 <br />360 <br />51 <br />100 <br />370 <br /><5.0 <br /><100 <br /><5.0 <br /><5.0 <br /><5.0 <br /><3,000 <br /><5.0 <br />- <br />02/18/10 <br />20.16 <br />0.00 <br />-10.08 <br />5,100 <br />420 <br />48 <br />200 <br />140 <br /><5.0 <br /><100 <br /><5.0 <br /><5.0 <br /><5.0 <br /><3,000 <br /><5.0 <br />0.3 <br />05/24/10 <br />18.74 <br />0.00 <br />-8.66 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.6 <br />05/25/10 <br />- <br />- <br />- <br />4,700 <br />260 <br />25 <br />110 <br />92 <br /><5.0 <br /><100 <br /><5.0 <br /><5.0 <br /><5.0 <br /><3,000 <br /><5.0 <br /><5.0 - <br />Hydrocarbon odor <br />09/03/10 <br />20.60 <br />0.00 <br />-10.52 <br />4,200 <br />910 <br />41 <br />150 <br />95 <br /><0.90 <br />8.6 <br /><0.90 <br /><0.90 <br /><0.90 <br /><9.0 <br /><0.90 <br />- 0.5 <br />09/03/10 <br />DUP <br />20.60 <br />0.00 <br />-10.52 <br />4,800 <800 <br />290 <br />21 <br />18 <br />95 <br /><0.50 <br />6.4 <br /><0.50 <br /><0.50 <br /><0.50 <br /><20 <br /><0.50 <br />0.5 <br />Duplicate 7 <br />10/04/10 <br />11.90 <br />19.74 <br />0.00 <br />-7.84 <br />- - <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />10/14/10 <br />- <br />- <br />- <br />10,000 <br />810 <br />85 <br />200 <br />320 <br /><1.5 <br />7.7 <br /><1.5 <br /><1.5 <br /><1.5 <br /><15 <br /><1.5 <br />- <br />04/04/11 <br />17.22 <br />0.00 <br />-5.32 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.19 <br />B Zone <br />04/05/11 <br />- <br />- <br />- <br />11,000 <br />680 <br />82 <br />330 <br />340 <br /><0.50 <br />6.9 <br />- <br />B Zone <br />10/03/11 <br />18.09 <br />0.00 <br />-6.19 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.96 <br />10/05/11 <br />- <br />- <br />- <br />11,000 <br />810 <br />98 <br />540 <br />380 <br /><1.5 <br />7.4 <br />- <br />04/09/12 <br />17.98 <br />0.00 <br />-6.08 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />04/11/12 <br />- <br />- <br />- <br />11,000 <br />770 <br />94 <br />450 <br />340 <br /><2.0 <br />9.6 <br />1.97 <br />10/16/12 <br />18.58 <br />0.00 <br />-6.68 <br />- <br />- <br />- <br />- <br />- <br />- <br />- <br />0.44 <br />10/18/12 <br />- <br />- <br />- <br />14,000 <br />800 <br />82 <br />410 <br />290 <br /><2.0 <br />13 <br />- <br />04/24/13 <br />16.82 <br />0.00 <br />-4.92 <br />5,900 <br />340 <br />20 <br />110 <br />100 <br /><0.90 <br />27 <br />2.13 <br />10/14/13 <br />1 <br />18.47 <br />0.00 <br />-6.57 <br />1 - <br />- <br />- <br />- <br />- <br />- <br />- <br />1.12 <br />stockton_charter_ way_comingles_plume_4g22.xlsm Page 14 of 116 Stantec <br />