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CAMB RYA <br /> Table 1. Ground Water Analytical Data- Shell-branded Service Station-incident#98995874, 341 E. Main Street,Ripon, California <br /> ' II <br /> Depth to GW MTBE MTBE Dissolved Gallons <br /> 11 <br /> Water !Elevation' TPHg Benzene Toluene Ethylbenzene Xylenes EPA 8020 EPA 8260 Methanol Oxygen Removed <br /> Date (feet) (feet) 4 (Concentrations in ppb)— (mg/L) (gal) <br /> Abbreviations: Notes: <br /> TOC=Top of casing elevation,in feet above mean sea level a=Wells surveyed to TOC on March 25;1999 by Virgil Chavez Surveying of Vallejo,CA <br /> GW=Ground water b=Lab results pending <br /> MTBE=Methyl tert-butyl ether by EPA Method 8020 or 8260 c=MTBE by EPA 8020 not taken for this event <br /> TPHg =Total petroleum hydrocarbons as gasoline by modified EPA Method 8015 d=Sample was analyzed past EPA recommended holding time <br /> mg/L=Milligrams per liter m=Below detection limit of n ppb <br /> ppb=Parts per billion ---=Not analyzed <br /> NA=Not accesible <br /> Benzene,toluene,ethylbenzene,and total xylenes by EPA Method 8020 <br /> Methanol by modified EPA Method 8015 <br /> i <br /> I <br /> i <br /> g:lrip0n3*mlgmtable.xls i y <br /> I <br />