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p <br /> 1� <br /> OMk""/yffC",r Laboratory <br /> 545 E Cleveland St Suite A CERTIFICATE OF ANALYSIS <br />' Stockton Ca 95204 Friday, May 18,2001 <br /> Attention. Tim Cuellar <br /> Advanced GeoEnvlronmental <br /> 837 Shaw Road <br /> Stockton CA 95215 <br /> VOC In Air Using Gas Chromatography <br />' Sample Information <br /> Sample ID: PEI 1589-01 Sample Type: Grab <br />' Sample Description: Influent Soil Vapor Extraction S-ISTla Project Name: Sierra Lumber <br /> Date/Time Sampled: 05/07/2001 2 30 00 PM Sample Matrix: Air <br />' ANALYTICAL RESULT i <br /> Test Parameter Method DLR Unit ,Result Analysis Date <br /> Benzene TO-14 05 ug/L 45 05/10/2001 <br />' Toluene T' ^_ W^ TO-14 05 ug/L 296 _ 05/10/2001 ss <br /> Ethylbenzene_ TO-14 05 ug/L 14 05/10/2001 <br /> Xylene(total) TO-14 05 ug/L 805 05/10/2001 r <br /> Methyl tort-butyi ether(MtBE) TO-14 05 ug/L ND 05/10/2001 <br /> TPH-Gas TO-14 50 ug/L 140 05/10/2001 r_ <br />' iglL=milligrams pet Litei =ppnt DLR-Detection Limit for the Purpose of Reporting Exceptional sample matrices of interferences may <br /> ug/L =mici ograms per Liter=ppb i esult in higher detection limits <br /> C=Composite G=Gab <br /> I <br /> RESP�C'TFU �ITTED, <br /> Jonathan Hao V. Le, Laboratory Director <br /> EPA-Environmental Protection Agency Methal - y T - r 1 T~»w -page 1 of I <br /> �. SM-51andai d Method for Examination of Water-Wastewater 18th Ed <br /> iidFi F f lavalanrl qt Ciiita A Ctnrletnn r A cil;gnd Tal Mn41 QA9_nRa,> Fay f9C1Q1 4F9-70qri <br />