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TaC 3 <br /> Groundwater Elevation and Analytical Data <br /> Tosco (Former BP)Station No. 11193 " <br /> 3202 W. Hammer Lane, Stockton, California <br /> Well Date of P/NP Well Depth to Groundwater Groundwater TPM-G TPH-D TPH B T E X MtBE VOCsj1] DO <br /> Number Sampling Elevation Water Elevation Elevation (ug/L) (ug/L) (ug/L) (ugll-) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ppm) <br /> (Feet) (Feet) (Feet) Change <br /> (Feet) <br /> MW-5 7/1/1998 4.38 10.36 -5.98 3.62 ND<50 --- --- ND<0.5 ND<1.0 ND<1.0 ND<1.o 11 --- 5.6 <br /> (cont.) 9/18/1998 4.38 11.90 -7.52 -1.54 ND<50 --- --- 3 ND<1.0 ND<1.0 ND<1.0 ND<10 -- 5.9 <br /> 1/19/1999 4.38 12.11 -7.73 -0.21 70 --- --- ND<1.0 ND<1.0 ND<1.0 ND<1.0 65 --- __- <br /> 10/14/1999 4.38 13.05 -8.67 -0.94 610 --- --- ND<1,0 ND<1.0 ND<1.0 ND<1.0 640 --- <br /> 1/20/2000 4.38 12.85 -8.47 0.20 ND<50 - --- ND<0.5 ND<0.5 ND<0.5 ND<0.5 5.0 <br /> 5!412000 4.38 10.25 -5.87 2.60 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 17 <br /> 7/14/2000 4.38 11.85 -7.47 -1.60 140 --- --- ND<0.5 ND<0.5 ND<0.5 ND<0.5 360 --- _-- <br /> 10/27/2000 4.66 12.76 -8.10 -0.63 100 --- --- ND<0.5 ND<0.5 0.6 0.98 130 <br /> 1/19/2001 4.66 12.59 -7.93 0.17 ND<50 --- --- ND<0.5 ND<0.5 ND<0.5 ND<0.5 51.5 <br /> 4/23/2001 4.66 11.60 -6.94 0.99 ND<50 --- --- ND<0.5 ND<0.5 ND<0.5 ND<1.5 24.7 <br /> 7/27/2001 4.66 12.80 -8.14 -1.20 1,400 --- --- ND<2.5 ND<2.5 ND<2.5 ND<7.5 1810 --- <br /> 11/1/2001 4.66 13.89 -9.23 -1.09 1,800 --- --- ND<0.5 ND<0.5 ND<0.5 ND<1.5 2490 --- <br /> 1/28/2002 4.66 12.45 -7.79 1.44 ND<50 --- --- ND<0.5 ND<0.5 ND<0.5 ND<1.0 4:39 - <br /> 4/2312002.. . . 4.66 12.29 -7.63 - 0,16" :170, ND<0,5. ND<0.5. ND<0.5:', ND<1.0 136 <br /> 7/29/2002 P 4:66 13,35 -8.69 -1.06 ND<50 <0.5 <0.5 <0.5 <1 29.4 , ND13] <br /> 9/11/2002 P 4.66 13.96 -9.30 -0.61 51 --- ND<0.5 ND<0.5 ND<0.5 ND<0.5 34 <br /> 4/7/2003 P 4.66 13.27 -8.61 0.69 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 14 --- --- <br /> .6127/2003 P 4.66 13.58 -8.92 -0.31 ND<50 --- ND<0.5 N D<0.5 ND<0.5 ND<0.5 la <br /> MW-6 4/25/1994 3.56 16.73 -13.17 --- 53 --- --- ND<0.5 ND<0.5 1 2 65 --- 2.0 <br /> 7/28/1994 3.56 17.20 -13.64 -0.47 69 --- --- ND<0.5 ND<0.5 ND<0.5 ND<0.5 19 --- 2.2. <br /> 12/9/1994 3.56 17.70 -14.14 -0.50 ND<50 --- --- ND<0.5 ND<0.5 ND<0.5 ND<i --- 3.5 <br /> F 3/3/1995 3.56 16.34 -12.78 1.36 ND<50 --- --- 1 ND<0.50 ND<0.50 ND<1.0 --- --- 4.3 <br /> 4/12/1995 3.56 15.05 -11.49 1.29 57 --- --- ND<0.50 1 ND<0.50 ND<1.0 --- --- 4.6 <br /> 7/20/1995 3.56 15.37 -11.81 -0.32 ND<50 --- --- ND<0.50 ND<0.50 ND<0.50 ND<1.o --- --- 7.3 <br /> 11/2/1995 3.56 16.24 -12.68 -0.87 ND<50 --- --- ND<0.5 ND<0.5 ND<0.5 ND<1.0 65 --- 4.3 <br /> 1/16/1996 3.56 15.65 -12.09 0.59 ND<50 --- --- ND<0.50 ND<0.50 ND<0.50 ND<1.0 89 --- _.- <br /> 4/22/1996 3.56 13.53 -9.97 2.12 ND<50 --- --- ND<0.5. ND<1 ND<1 ND<1 58 _- <br /> 7/12/1996 3.56 13.85 -10.29 -0.32 ND<50 --- --- ND<0.5 ND<1 ND<1 ND<1 62 --- 3.3 <br /> 11/14/1996 3.56 14.75 -11.19 -0.90 80 --- --- ND<0.5 ND<1.0 ND<1.0 2 64 --- 3.9 <br /> 3/11/1997 3.56 11.74 -8.18 3.01 120 ND<0.5 ND<1.0 ND<1.0 ND<i,o 130 - 3.9 <br /> 5/22/1997 3.56 12.34 -8.78 -0.60 100 --- --- ND<0.5 ND<1.0 ND<1.o ND<1.0 57 3.7 <br /> 8/6/1997 3.56 13.20 -9.64 -0.86 --- --- --- --- _ -__ 6.2 <br /> 9/22/1997 3.56 13.31 -9.75 -0.11 ND<50 - -- ND<0.5 ND<1.0 ND<1.0 ND<1•o ND<10 --- 6,3 <br /> 1/7/1998 3.56 13.44 -9.88 -0.13 ND<50 --- ND<0.5 ND<1.0 ND<1.0 ND<1.0 17 --- 5•9 <br /> 7/1/1998 3.56 9.59 -6.03 3.85 60 --- --- ND<0.5 ND<1.o ND<1.0 ND<1.0 130 --- 5.4 <br /> JAConocoPhillipslTosco Marketing1111931Tables111193 2QMR03.xls Page 6 of 11 <br />