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• • <br /> Table 2 <br /> Groundwater Elevation and Analytical Data(ARCO) <br /> ARCO Service Station#2133 <br /> 2908 Benjamin Hoh Drive <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 (ft MSL) (ft TOC) 00 (ft,MSL) Change(ft) (u9A) 009 (ugA) (ug+l) (ugA) (ugn) (mgrL) <br /> 6118/96 950 846 132 15 000 170 <25 <25 2 500 <250 <br /> MW 5 9725/96 1230 1126 280 3 800 130 <5 84 71 <50 <br /> (cont) 1214/96 1163 1059 067 4200 88 <2 15 44 <20 <br /> 3119/97 P 718 614 445 1 400 26 56 46 98 01 <br /> 615197 P 884 780 166 1900 22 51 4 14 <10 02 <br /> 8/19197 NP 1025 921 141 <50 <0 5 <05 <0 5 <05 <5 02 <br /> 1125/97 NP 1048 944 023 210 <0 5 <05 <0 5 <05 <5 <br /> 3/20198 P 427 323 621 <50 <05 <0 5 <0 5 <05 <5 22 <br /> 6/24/98 Wed box inaccessible <br /> 9!10198 P 779 675 <50 <0 5 <0 5 <0 5 <0 5 <5 <br /> 12/17/98 P 806 702 027 995 <05 <0 5 <0 5 <05 <5 <br /> 3/10199 P 586 482 220 806 <0 5 <0 5 <0 5 <0 5 <5 28 <br /> 6122199 Well box inaccessibie <br /> 9713199 Well box inaccessible <br /> 12/16/99 P 925 821 186 096 <0 5 <05 1 03 <2 5 33 <br /> 323/00 P 461 357 464 355 0 620 <0 5 <05 128 <2 5 20 <br /> 621/00 P 696 592 235 <50 <0 5 <0 5 <05 <0 5 <2 5 02 <br /> 9/13!00 P 868 764 172 <50 <05 <05 <05 <05 <25 241 <br /> 12/15/00 P 816 712 052 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 083 <br /> 32/01 P 610 — 5 06 206 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 35 <br /> 511=1 P 619 515 009 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 30 <br /> 822101 P 888 784 269 <50 <0 50 <0 50 <0 50 058 <2 5 <br /> 1275/01 P 807 703 081 82 067 <0 50 <0 50 057 <2 5 079 <br /> 3112/02 P 631 527 176 <50 <0 50 <0 50 <0 50 <0 50 <25 098 <br /> 616102 P 724 620 093 <50 <0 50 <0 50 <0 50 <0 50 58 062 <br /> 924102 P 902 798 1 78 <50 075 <0 50 <0 50 <0 50 <2 5 042 <br /> 12/17/02 P 744 -640 1 58 <50 <0 50 <0 50 <0 50 <0 50 <20 <br /> 3/16/03 P 723 619 021 <50 <0 50 <0 50 <0 50 <0 50 <2 5 1 58 <br /> 6117103 P 745 — 641 -022 <50 <0 50 <0 50 <0 50 <0 50 <25 000 <br /> OCTB 07100 — — — — — — <50 <0 50 <0 50 <0 50 <0 50 <2 5 — <br /> Notes <br /> ft=loot TPHg=Total petroieum hydrocarbons as gasoline <br /> MSL=mean sea level WBE=Methyl tort butyl ether <br /> TOC=top of casing DO=Dissolved oxygen <br /> ugA=Micrograms per liter OCTB=Trip Blank <br /> mg1L=milligrams per liter <br /> P/NP=purgodlnot purged <br /> <=below given laboratory defection limit <br /> =not measured or analyzed(in case of product thickness none found) <br /> A=groundwater elevation corrected by adding 0 75 X product thickness <br /> =Chromatogram Pattem Gasoline C6-00 <br /> =Hydrocarbon pattern is present in the requested fuel quanbtatton range but does not resemble the pattern of the requested fuel <br /> Projects/ARCO2133/Tables/gwtables2133 ids 29 of 29 <br />