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0 P*of 36 <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station 92133 <br /> 2908 Benjamin Holt Dr,Stockton,CA <br /> Well Depth Product Groundwater Groundwater Xylenes <br /> Well Date Elevation to Water Thickness Elevation Elevation TPHg Benzene Toluene Ethylbenzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) (ft) (ft,MSL) Change(ft) (ppb) (ppb) (ppb) (ppb) ab) (ppb) (mg/L) <br /> GCTB 9124/02 — -- — — — <50 <0 50 <0 50 <0 50 0a <2 5 — <br /> Notes <br /> ft=feet TPHg=Total petroleum hydrocarbons as gasoline <br /> MSL=mean sea level MtBE=Methyl tart-butyl ether <br /> TOC=top of casing DO=Dissolved oxygen <br /> ppb=parts per billion QCTB=Trip Blank <br /> mgA-=milligrams per liter <br /> P/NP=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 Pattem Gasoline c6-c10 j <br /> =Hydrocarbon pattern is present in the requested fuel quantitation range but does not resemble the pattern of the requested fuel <br /> i <br /> PmlecWARCO/2133/RepoRsfrables/gwtables2133 As <br />