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Table 2 <br /> Groundwater Elevation and Analytical Data(ARCO) <br /> ARCO Service Station k 2133 <br /> 2908k Benjamin Holt Drive <br /> Stoctockton,California <br /> Wall Depth Product Groundwater Groundwater Ethyl- Total <br /> Well Date Elevation to Water Thickness Elevation Elevation TPHg Benzene Toluene benzene Xylenes MtBE DO <br /> Number Sampled Notes (ft,MSLJ (ft,TOC) (ft) (ft,MSL) Change(ft) (ugll) (ug/1) Jug/1) (u911) (ug") (ug") (mg1L) <br /> 9/2412002 P 10.39 - -8.08 -1.85 <50 <0.50 -0.50 -0.50 -0.50 <2.5 0.50 <br /> 12117/2002 8.48 -- -6.17 1.91 _ _ -_ _ _ _ _ <br /> MW-3 3118/2003 P 8.43 -- -6.12 0.05 <50 <0.50 -0.50 -0.50 -0.50 <2.5 1.12 <br /> (cont-) 611712003 8.75 -- -6.44 -0.32 -• - - - •- -- 1.50 <br /> 9124103 a P b 10.50 - -6.19 -1.75 87 0.85 5.3 0.53 3.8 1.8 0,49 <br /> 12/18/2003 9.81 - -7.50 0.69 - -- - -- -- - -- <br /> 3(16/2004 P 7.69 - -5,38 2.12 <50 <0.50 -0.50 <0,50 <0.50 <0,5D -- <br /> 6/22/2004 9.75 - -7.44 -2.06 - - •- - - -- -- <br /> 9)21l2004 10.78 -- -8.47 -0.57 - - •- - - - -- <br /> 12/28/2004 9.43 - -7.12 -0.13 -- -- -- -- - - - <br /> 31712005 6.53 -4.22 1.05 <50 -0.50 -0.50 -0.50 -0.50 -0.50 2.6 <br /> MW4 3/811995 2.54 14.31 - -11.77 - -50 <0.5 <0.5 <0.5 <0.5 - - <br /> 61211995 12.86 - -10.32 1.45 <50 <0.5 <0.5 <0.5 <0.5 - -- <br /> 9111/1995 15.04 -- -12.50 -2.18 <50 <0.5 <0.5 <0.5 <0,5 - - <br /> 12/5/1995 15.46 -- -12.92 442 <50 <0.5 <0.5 <0.5 <0,5 - -- <br /> 311811996 10.25 -- -7.71 5.21 58 <0.5 <0.5 <0.5 <0,5 - -- <br /> 611811996 11.23 - -8,69 •0.98 -50 <0.5 <0.5 <0.5 <0.5 <5 -- <br /> 9/2511996 13.65 - -11.11 -2.42 -50 -0.5 <0.5 <0.5 <0.5 <5 - <br /> 12/4/1996 13.05 - -10.51 0.60 -50 <0.5 <0.5 <0.5 <0.5 <5 311911997 NP 8.65 - -6.11 4.40 <50 <D.5 <0.5 <0.5 <0.5 - 1.6 <br /> 61511997 NP 10.35 •- -7.81 -1.70 <50 -0.5 -0.5 <0.5 <0.5 <5 1.6 <br /> 8/1 911 99 7 NP 11.76 -- -9.22 -1.41 <50 <0.5 <0.5 <0.5 <0.5 <5 0.4 <br /> 1112511997 NP 11.91 - -9.37 •0.15 -50 -0.5 <0.5 <0.5 <0.5, <5 -- <br /> 311 911 99 8 P 5.67 - -3.13 6.24 -50 <0.5 <0,5 <0.5 <0.5 45 3.7 <br /> . 6/24/1998 P 7.71 -- -5.17 -2.04 <50 <0.5 <0.5 <0.5 -0.5 <5 3.0 <br /> 9/10/1 <br /> 098 NP 9.40 -6,86 -1.69 c50 <0.5 <0.5 <0.5 <0.5 <5 <br /> -- <br /> 1211711998 NP 9,45 - -6.91 -0.05 <50 -0.5 <0.5 <0.5 <05 <5 -- <br /> 311 011 9 99 P 7.23 - -4.69 2.22 <50 -0.5 <0.5 <0.5 <0.5 <5 2.7 <br /> 612211999 NP 9.31 - -6.83 -2.14 <50 <0.5 -0.5 <0.5 -0.5 <5 3.9 <br /> 911311999 NP 11.00 -- -8.46 -1.63 <50 <0.5 <0.5 <0.5 <0.5 <5 2,9 <br /> 12/16/1999 NP 10.90 -- -8.36 0.10 <50 -0.5 <0.5 <0.5 <0.5 -2.5 1.1 <br /> 3123/2000 P 6.17 -- -3.63 4.73 <50 -0.5 -0.5 <0.5 <0.5 <2.5 5.2 <br /> 612112000 P 8.48 -- -5.94 -2.31 <50 <0.5 <0,5 <0.5 <0.5 <2.5 4.1 <br /> 9113/2000 NP 10.20 - -7.66 -1.72 <50 <0.5 <0.5 <0,5 <0.5 <2.5 2.74 <br /> 12!1512000 P 9.65 - -7.11 0.55 -50.0 -0.500 -0.500 -0.500 <0.500 <2.50 1.28 <br /> 312/2001 P 7.54 -- -5.00 2.11 <50.0 <0.500 -0.500 -0.500 <0.500 <2.50 3.8 <br /> 5/1012001 P 7.46 -- 4.92 0.08 <50.0 <0.500 <0.500 <0.500 -0.500 <2.50 2.1 <br /> 6/22/2001 P 10.43 -- -7.89 -2.97 <50 <0.50 <0.50 <0.50 -0-50 -2.5 - <br /> 121512D01 P 9.50 - -6.96 0.93 -50 -0.50 -0.50 -0.50 -0.50 -2.5 1.06 <br /> 311 212 60 2 P 7.81 - -5.27 1.69 <50 -0.50 <0.50 -0.50 <0.50 <2.5 1.77 <br /> 6/612002 P 8.74 - -6.20 -0.93 <50 -0.50 <0.50 -0.50 <0.50 5.0 2.20. <br /> 912412002 P 10.57 - -8.03 -1.83 -50 -0.50 <0.50 -0.50 <0.50 <2.5 0.78 <br /> 121`1712002 P 8.80 -- -6.26 1.77 <50 -0.50 <0.50 -0.50 <0.50 <2.0 -- <br /> 3/1812003 <br /> - <br /> 311812 00 3 P 8.70 -- -6.16 0.10 <50 -0.50 -0.50 -0.50 <0.50 <2.5 1.32 <br /> 6117/2003 P 8.93 -- -6.39 -0.23 <50 -0.50 -0.50 -0,50 <0.50 <2.5 0.8D <br /> 912412003 a P 10.73 -- -8.19 -1.80 <50 <0.50 1.3 -0.50 0.91 <0.50 0.56 <br /> 12/18/2003 10.01 -- -7.47 0.72 - - -- _ _ <br /> W1612004 P 7.90 -5.36 2.11 <50 <D.50 -050 <0.50 -0.50 <0.50 - <br /> 6/2212004 9.91 - -7.37 -2,01 - <br /> 9/21/2004 10.98 -- -8.44 -1.07 <br /> 12/2812004 9-66 -- -7.12 1.32 <br /> 31712005 6.71 -4.17 2.55 -50 <0.50 -0.50 -0.56 -0.50 -0.50 4.9 <br /> MW-5 3/8/1995 1.04 12.91 -11.87 - 1,800 43 4.7 3.3 60 <br /> 6!271995 11.40 -10.36 1.51 1,300 55 2.7 2.3 75 <br /> 9/11/1995 13,65 -12.61 -2.25 1,500 87 3 9.1 29 <br /> 12/5/1995 14,03 - -12.99 -0.38 2200 120 <10(a) 16 11 Y - <br /> 3118/1996 10.82 -9.78 321 8200 190 19 24 800 <br /> 6/18/1996 9.50 -8.46 1.32 15,000 170 <25 <25 2,500 <250 <br /> 912571996 12.30 -11.26 -2.80 3.800 130 <5 8.4 71 -50 -. <br /> 12!411996 11.63 -- -10.59 0.67 4,200 88 <2 15 44 <20 _ <br /> 1:1B P-ARCOk21331Tab Ies%gwta bles 2133.xl s <br /> 23 of 24 <br />