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I <br /> CA RIA <br /> Table I. Ground Water Analytical Data- Shell-branded Service Station- Incident#98995874, 341 E. Main Street, Ripon, California <br /> Depth to GW MTBE MTBE Dissolved Gallons <br /> Nater Elevations TPHg Benzene Toluene Ethylbenzene Xylenes EPA 8020 EPA 8250 Methanol Oxygen Removed <br /> Date (feet) (feet) (Concentrations in b) 0 ((m ) ( al) <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 /> mglL=Milligrams per'iter m=Below detection limit of n ppb <br /> ppb=Parts per billion --=Not analyzed <br /> i <br /> Benzene,toluene,ethylbenzene,and total xylenes by EPA Method 8020 <br /> Methanol by modified EPA Method 8015 <br /> i I <br /> I <br /> I <br /> g;lrin341%gm`gmtable.tils 5 of 5 <br />