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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,Calitomla <br /> Well Depth Product Groundwater Groundwater Ethyl- Xylenes <br /> Well Date Elevation to nater Thickness Elevation Elevation TPHg Senzene Toluene benzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (1t,TOC) (R) (ft,MSL) Change(k) (ugh) (ug11) N911) (u911) (ug/1) (u911) (mglL) <br /> BHD-2 2125/1991 17.35 -- -16.62 0.02 <br /> (cont) 4/23/1991 16.36 -- -15.63 0.99 <br /> 711"1 17.99 - -17.26 -1.63 <50 <0S <0.5 <0.5 <05 -- » <br /> 101611991 18.64 - -17.91 -0.65 - <br /> 1/2211992 17.44 - -16.71 1.20 - <br /> 4/22/1992 16.66 - -15.93 0.78 <50 <0,5 <0.5 <0.5 <0.5 -- <br /> 7/29/1992 18.13 - -17.40 -1.47 <50 <0.5 <0.5 <0.5 <0.5 - - <br /> 10/29/1992 18.72 - -17.99 -0.59 <50 <0.5 <0.5 <0.5 <0.5 - - <br /> 1127l1993 15.66 - -15.13 2.88 <50 <0.5 <0.5 <0.5 <0.5 - - <br /> 4/2911993 13.90 - -13.17 1.96 <50 <0.5 <0.5 <0.5 <0.5 •- - <br /> 81511993 15.20 - -14,47 -1.30 <50 <0,5 <0.5 <0.5 <0.5 -- <br /> 1111011993 15.71 - -14,98 -0.51 <50 <0.5 <0-5 <0.5 <0.5 - -- <br /> 312111994 14.52 - -13.79 1.19 <10 <0.3 <0-3 <0.3 <0.5 - » <br /> 6/2711994 14.65 - -13,92 -0.13 <10 <0.3 <0.3 <0.3 <0.5 - » <br /> 912911994 15.88 - -15,15 -1.23 <50 <0.5 <0.5 <0.5 <0.5 - - <br /> 12/811994 15.65 - •-14.92 0.23 <50 <0.5 <0.5 <0.5 <0.5 -- - <br /> 31811995 13.29 - -12.56 2.36 <50 <0.5 <0.5 <0.5 <0.5 - - <br /> 61111995 11.68 - -10.95 1.61 <50 <0.5 <0.5 <0.5 <0.5 - - <br /> 9111/1995 13.62 - -12.89 -1.94 <50 <0.5 <0.5 <0.5 <0.5 - - <br /> 121511995 14.08 - -13.35 -0.46 -- - - - - <br /> 311811996 9,49 - -8.76 4.59 98 <0.5 <0.5 <0.5 1.4 - - <br /> 6118/1995 10.10 - -9.37 -0.61 - -- - -- _ <br /> 9125/1996 12.27 - -11.54 -2.17 <50 <0.5 <05 <0.5 <0.5 <5 -- <br /> 121411996 1.38 - --6.65 0.30 - . = = - - _ <br /> 3!1911997 P 7.38 -8.65 4.59 <50 <0.5 <OS <0.5 <0.5 1.2 <br /> 6/511997 P 9.01 -8.28 -1.63 0.5 <br /> 811911997 NP 10.51 •• -9.78 -1.50 <50 <0.5 <0,5 c0.5 <0.5 <5 0.7 <br /> 1112511997 P 10,78 - -10.05 -0.27 - - - -- - » <br /> 3!20!1998 P 4.33 - -3.60 6.45 <50 <0.5 <0.5 <0.5 <0.5 <5 2.7 <br /> 812411998 6.26 - -5.53 -1.93 -- - <br /> 911011998 NP 8.24 - -7.51 -1.98 <50 <0.5 <0.5 c0.5 <0.5 <5 - <br /> 12117/1998 8.21 - -7.48 D.03 - - - - - » _ <br /> 3/1011999 P 5.99 - -5.26 2.22 <50 <0.5 <0.5 <0.5 <0.5 <5 1.8 <br /> 6/22/1999 7.93 - -7.20 -1.94 -- -- - - - - 3.8 <br /> 9113/1999 NP 9.55 - -8.82 -1.62 <50 <0.5 <0.5 <0.5 <0.5 <5 3.4 <br /> 12!1511999 9.53 -- -8.80 0.02 - -- - - - - 2.8 <br /> 3/2312000 P 4.81 - -4.08 4.72 <50 <0.5 <0.5 <0.5 <0.5 <2.5 1.7 <br /> 6/2112000 6.95 - -6,22 -2.14 - - - - - - 4.9 <br /> 911312000 NP 8.81 - -8.06 -1.86 <50 <0.5 <0.5 <0.5 <0.5 <2.5 2.90 <br /> 12/15120DO 8.31 -7.58 0.50 - - - - _ - 2.81 <br /> 3!2!2001 P 6.38 - -5.65 1.93 <50.0 <0.500 <0.500 <0.500 <0.500 <2.50 3.5 <br /> 511012001 6.26 - -5.53 0.12 - - - -- - - 1.9 <br /> 8122!2001 P 9.16 - -8.43 -2.90 <50 <0.50 <0.50 <0.50 <0.50 <2.5 -- <br /> 12l512001 P 8.48 - -7.75 0.68 - - - -. _ _ „ <br /> 3112!2002 P 6.50 - -5.77 1.98 <50 <0.50 <0.50 <0.50 <0.50 <2.5 1.08 <br /> 6/6/2002 7.48 - -6.75 -0.98 „ - - - - - 0.82 <br /> 9/24/2002 P 9.43 - -8.70 -1.95 <50 <0.50 <0.50 <0.50 <0.50 <2.5 1.03 <br /> 12/1712002 7.63 - -6.90 1.80 -- -- <br /> 3/18/2003 P 7.47 -0,74 0.16 <50 <0.50 <0.50 <0.50 <0.50 <2,5 -- <br /> 6/1712003 7.82 -- -7.09 -0.35 - -- - - _ - 0.50 <br /> 9124/03a P 9.66 -8.95 •1.68 <50 <0.50 <0,50 50.50 <0.50 <0.50 0.68 <br /> 1211812003 9,06 - -8.33 0-62 - - -- - - - - <br /> 311712004 P 6,85 -6.12 2.21 <50 c0.50 <0.50 <0.50 <0.50 0.83 - <br /> 6122/2004 8,92 - -8.19 -2.66 •- - - - <br /> 912112004 10.04 - -9.31 -0.8a <br /> I:1P rojectslAR CW 1331Fableslgwtabl es2133_As <br /> 20 aT 24 <br />