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EMU K0-TLr=C I CERTIFICATE OF ANALYSIS <br /> .4nm1yt1em/ Laboratory Tuesday, February 22,2000 <br /> TO- William Little <br /> Advanced GeoEnvironmental, <br /> 4005 N Wilson Way <br /> Stockton, Ca 95205 <br /> Sample Information <br /> Sample ID. AD0210-18 Sample Type: Grab <br /> Sample Description: MW5-30 Project Name. Bogettas Orchard Service <br /> Date/Time Sampled: 219100 2 45 00 PM Sample Matrix. Soil <br /> ANALYTICAL RESULT QAIQCREPORT <br /> Date LCS Spike MS Spike <br /> I Test Parameter Method DLR Unit Result Analyzed Blank Conc. LCS% Conn MS% MSD RSD <br /> TPH-Gasoline EPA 8015M/DHS 1 mg/Kg ND 11-Feb-00 ND 05 960% 05 920% 940% 05% <br /> TPH-Diesel EPA 8015M/DHS 10 mg/Kg ND 11-Feb-00 ND 100 950% 100 950% 1050% 25% <br /> I <br /> Methyl t-Butyl Ether(MtBE) EPA8260 5 ug/Kg ND 11-Feb-00 ND 40 950% 40 1050% 1025% 06% <br /> i Diisopropyl ether(DIPE) EPA8260 5 ug/Kg ND 11-Feb-00 ND 40 900% 40 1050% 1025% 06% <br /> Ethyl-t-butyl ether(ETBE) EPA8260 5 ug/Kg ND 11-Feb-00 ND 40 1050% 40 1025% 1050% 06% <br /> Tert-amyl methyl ether(TAME) EPA8260 5 uglKg ND 11-Feb-00 ND 40 900% 40 900% 925% 07% <br /> t-Butanol(TBA) EPA8260 5 ug/Kg ND 11-Feb-00 ND 40 950% 40 975% 875% 27% <br /> Benzene EPA 8260 5 ug1Kg ND 11-Feb-00 ND 40 950% 40 950% 975% 06% <br /> Toluene EPA 8260 5 ug/Kg ND 11-Feb-00 ND 40 1000% 40 975% 950% 06% <br /> Ethyl Benzene EPA 8260 5 ug/Kg ND 11-Feb-00 ND 40 1050% 40 1025% 1050% 06% <br /> Xylene,Total EPA 8260 5 ug/Kg ND 11-Feb-00 ND 80 1000% 80 112 5% 1138% 03% <br /> i ing/L=milligrams per Liter=ppm DLR-Detection Limit for the Purpose of Reporting RSD-represent relative percent drerent(RPD)behveen duplicates spike of samples <br /> ug/L-micrograms per Liter=ppb Exceptional sample matrices or interfereneces may result in or Duplicate of Sample <br /> higher detection limits MS/MSD-measure o the percent recovery efficiencies within the matrxr <br /> � C=Composite G=Grab ,f P r}' .�1' <br /> LCS measure of the percent recovery of the Laboratory Control Spike(LCS) <br /> , i RES TFU ITTED, <br /> � a <br /> Jonathan Hao V. Le,Laboratory Director <br /> EPA-Enviromnental Protection Agency Method Page I of I <br /> f <br /> SM-StandardMethodforExaminationglV�tt 6Vi..lEvelafltQ 7t Suite A Stockton, CA 95204 Tel (209) 462-0892 Fax (209) 462-7935 <br />