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Table 2 <br /> Groundwater Elevation and Analytical Data(ARCO) <br /> ARCO Service Station#2133 <br /> 2908 Benjamin Holt Dnve <br /> Stockton California <br /> Well Depth Product Groundwater Groundwater Ethyl Xylenes <br /> Well Date Elevation to Water Thickness Elevation Elevation TPHg Benzene Toluene benzene (total) MtBE DO <br /> Number Sampled (fl,MSL) (ft,TOC) (Tt) (ft,MSL) Change(H) NO (ugA) (u9n (ugA) (ugA) (ugA) (mglL) <br /> 3110/99 P 5 86 -4 82 220 806 <0 5 <0 5 <0 5 <0 5 <5 2 8 <br /> 622/99 Well box inaccessible <br /> 9113/99 Well box inaccessible <br /> 12/16/99 P 9 25 821 186 0 96 <0 5 <05 103 <2 5 33 <br /> 323100 P 461 — 357 4 64 355 0 620 <0 5 <05 128 <2 5 20 <br /> 6!21100 P 696 592 235 <50 <0 5 <0 5 <05 <0 5 <2 5 02 <br /> 911360 P 8 68 764 1 72 <50 <0 5 <0 5 <05 <0 5 <2 5 241 <br /> 12115!00 P 816 712 0 52 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 0 83 <br /> 32/01 P 610 — 506 206 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 3 5 <br /> 5110101 P 619 5115 009 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 3 0 <br /> 822101 P 888 784 2 69 <50 <0 50 <0 50 <0 50 0 58 <25 <br /> t 2!5!01 P 807 703 0 81 82' 067 <0 50 <0 50 0 57 <25 079 <br /> 3712102 P 631 — 527 176 <50 <0 50 <0 50 <0 50 <0 50 <2 5 098 <br /> 6!6/02 P 724 620 0 93 <50 <0 50 <0 50 <0 50 <0 50 58 062 <br /> 9124/02 P 902 798 1 78 <50 075 <0 50 <0 50 <0 50 <2 5 042 <br /> 12!17102 P 7 44 640 1 58 <50 <0 50 <0 50 <0 50 <0 50 <20 <br /> 3118/03 P 723 619 0 21 <50 <0 50 <0 50 <0 50 <0 50 <2 5 1 58 <br /> 6117103 P 745 641 0 22 <50 <0 50 <0 50 <0 50 <0 50 <2 5 000 <br /> 9242003 a P 919 815 174 <25 000 <250 380 <250 <250 <250 0 31 <br /> 12/18103 858 — -7 54 061 — — — — — _ — <br /> Notes <br /> ft=feet TPHg=Total petroleum hydracarbcns as gasoline <br /> MSL=mean sea level MtBE=Methyl tart butyl ether <br /> TOC=top of casing OO=Dissolved oxygen <br /> ugA=Micrograms per titer OCTB=Tnp Blank <br /> mg1L=mdlfgrams per liter <br /> PMP=purged/not purged <br /> <=below given laboratory detection limit <br /> =not measured or analyzed(in case of product thickness none found) <br /> ^=groundwater elevation corrected by adding 0 75 X product thickness <br /> =Chromatogram Pattern Gasoline c6-cl0 <br /> =Hydrocarbon pattern is present in the requested fuel quantitation range but does not resemble the pattern of the requested fuel <br /> a=sample was analyzed using EPA Method 8260 <br /> b=Laboratory reports that this sample may be biased high due to carryover from the provious sample <br /> I/Projects/ARCO/2733/Tableslgwtables2133 As 56 of 56 <br />