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Table 2 <br /> Groundwater Elevation and Analytical Data(ARCO) <br /> ARCO Service Station 92133 <br /> • 2908 Benjamin Holt Drive <br /> Stockton,Californiaie <br /> Well Depth Product Groundwater Groundwater Ethyl- xylenes <br /> Well Dab Elevation to Water Thickness Elovatlon Elevation TPiig Benzene Toluene benzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft.TOC) (ft) (%M$L) Change(ft) Willi) fug/1) (ugll) (ug") WWI) (ugll) (mWQ <br /> MW-3 311812003 P 8.43 - -6.12 005 <50 -0.50 <0.50 -0.50 <0.50 -2.5 1.12 <br /> (cont.) 6117/2003 8.75 - 5.44 -0.32 •- -- -- - -- - 1.50 <br /> 9124103a P b 10,50 - -8.19 -1.75 87 0.65 5.3 0,53 3.8 1.8 0.49 <br /> 12/18/2003 9.81 - -7.50 0.69 -- _ _ _ -. - _ <br /> 3116/2004 P 7.69 - -5.38 2.12 -50 <0.50 <0.50 <0.50 <0.50 -0.50 - <br /> 612212004 9.75 -- -7.44 -2.06 - - - _ _ <br /> 912112004 10.78 -- .8.47 -0.57 - <br /> MW-4 31811995 2.54 14.31 -- -11.77 - <50 <0,5 <0.5 <0.5 <0.5 - - <br /> 6W1995 12.86 - -10.32 1.45 <50 -0.5 <0.5 <0.5 <0.5 - - <br /> 911171995 15.04 - -12.50 -2.18 <50 -0.5 <0-5 <0.5 <0.5 - - <br /> 121511995 15.46 - -12.92 -0.42 <50 -0.5 <0.5 <0,5 <0.5 - - <br /> 3118/1996 1025 - -7.71 5.21 58 <0.5 -0.5 <0,5 <0.5 - - <br /> 6/18/1996 11,23 - -8.69 -0.98 <50 <0.5 <0.5 <0,5 <0.5 <5 - <br /> 9/2511996 13.55 -11.11 -2.42 -50 <0.5 <OS <0.5 <0.5 <5 - <br /> 121411996 13.05 •- -10,51 0,60 <50 <0.5 <O5 <0.5 <0.5 45 311911997 NP 8.65 - -6.11 4.40 <50 <0.5 <0.5 <0.5 <0.5 - 1.6 <br /> 615/1997 NP 10,35 - -7.81 -1.70 <50 -0.5 <0.5 <0.5 <0.5 <5 1.6 <br /> 6119/1997 NP 11.76 - -9.22 -1,41 <50 -0.5 <0.5 <0.5 <0.5 <5 0.4 <br /> 11/25/1997 NP 11.91 - -9.37 -0.15 <50 <0.5 -0.5 <0.5 <0.5 <5 - <br /> 3119/1998 P 5.67 - -3.13 6.24 <50 -0.5 <0.5 <0.5 <0.5 <5 3.7 <br /> 612471998 P 7.71 - -5.17 -2.04 <50 <0,5 <0.5 <0.5 <0.5 <5 3.0 <br /> 9/10/1998 NP 9.40 - 6.80 -1.69 <50 4.5 <0.5 -0.5 <0.5 <5 - <br /> 1 211 711 998 NP 945 - -8.91 0,05 <50 <0.5 <0.5 <0.5 <05 -5 <br /> 311OM999 P 7.23 - -4,69 2.22 <50 <0.5 <0.5 <0.5 <0.5 -5 2.7 <br /> 6122/1999 NP 9.37 -6,83 •2.14 -50 <0.5 <0.5 -0.5 <0.5 <5 3.9 <br /> 9113H999 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 <O.5 <0.5 <0.5 -0.5 -2.5 1.1 <br /> 3!2312000 P 6.17 -3-63 4.73 <50 <0.5 -0.5 <0.5 <0.5 <2.5 5.2 <br /> 6/2112000 P 8,48 -5.94 -2.31 <50 -0.5 -0.5 <0.5 -0.5 <2.5 4.1 <br /> 9/13/2000 NP 10,20 -- -7,66 -1.72 <50 -0.5 -0.5 <0,5 -0.5 <2.5 2.74 <br /> 12115/2000 P 9.65 - -7.11 0.55 <50.0 -0.500 <0.500 -0.500 -0,500 <2.50 1.28 <br /> 3/212001 P 7.54 - -5.00 2.11 <50.0 -0.500 <0.500 <0.500 -0,500 -2.50 3.8 <br /> 5110/2001 P 7.46 -4.92 0.08 <50.0 -0.500 <0.500 <0.500 -0.500 -2.50 2.1 <br /> 8/2212001 P 10.43 - -7.89 -2.97 <50 -0.50 -0.50 -0.50 -0.50 <2.5 - <br /> 1215/2001 P 9.50 - -6.96 0.93 <50 -0.50 -0.50 <0.50 <0,50 <2.5 1.06 <br /> 3/12/2002 P 7.81 - -5-27 1.69 <50 -0.50 <0.50 <0.50 -0.50 <2.5 1.77 <br /> 61612002 P 8.74 - -620 -0.93 <50 -0.50 <0.50 <0.50 -0.50 5.0 2.20 <br /> 9124/2002 P 10.57 - -8.03 -1.83 <50 -0.50 -0.50 <0.50 -0.50 <2.5 0.78 <br /> 1271712002 P 6-80 - -6,26 1.77 <50 <0.50 -0.50 <0.50 -0.50 <2.0 - <br /> 3M 872003 P 6.70 - -6,16 0-10 <0 <0-50 -0,50 <0.50 -0.50 -25 1.32 <br /> 611712003 P 8.93 - .6.39 -0.23 <50 <0.50 -0.50 -0.50 <0.50 4.5 0.80 <br /> 972472003 a P 10.73 - -8.19 -1.80 <50 -0.50 1.3 -0.50 0.91 -0.50 0.56 <br /> 12118/2003 10.01 - -7.47 072 - - _ _ <br /> 3116@004 P 7.90 -- 5.38 2.11 <50 -0,50 <0.50 <0.50 -0.50 <0.50 -- <br /> 6l2212004 9.91 - -7.37 -2.01 - <br /> 912112004 10.98 -8.44 -1.07 - <br /> MWS 37671995 1.04 12.91 - -11.87 - 1.800 43 4.7 3.3 60 <br /> 6/211995 11.40 - -10.36 1.51 11300 55 2.7 2.3 75 <br /> 911111995 13.65 -- -12.61 -2.25 1500 67 3 9.1 29 <br /> 12!511995 14.03 „ -12.99 -0.38 2,200 120 00(e) 16 11 <br /> 3!1811996 10.62 - -9.78 3.21 8,200 190 19 24 800 <br /> 6/1611996 9.50 - -846 1.32 15,000 170 <25 Q5 2,500 <250 - <br /> 9125/1996 12,30 - -11.26 -2.60 3,800 130 -5 8,4 71 <50 _ <br /> 1214/1996 11.63 - -10.59 0.67 4,200 88 <2 15 44 <20 - <br /> . 311911997 P 7.18 = -614 4,45 1.400 26 5.6 4.6 9.8 - 0.1 <br /> 615!1997 P 8,84 -7.80 -1.6fi 1,900 22 5.1 4 14 -10 0.2 <br /> 8!19!1997 NP 10.25 -9.21 -1.41 <50 -0.5 -0.5 <0.5 -0.5 <5 0.2 <br /> 11125/1997 NP 10.48 - -9.44 -0.23 210 <0.5 <0.5 -0.5 <0.5 -5 <br /> 3/20/1998 P 4.27 - -3.23 6.21 450 <0.5 <0,5 <0,5 <0.5 -5 2.2 <br /> I:1Project5iA RCO721331Ya bleslgwia ble s2133.xl a <br /> 23 of 24 <br />