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f:!5CHWO RO-T CH CERTIFICATE OF ANALYSIS <br /> Ar;ra1yH,ca1 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. AD0210-16 Sample Type. Grab <br /> Sample Description- MW5-10 Project Name. Bogettms Orchard Service <br /> Date/Time Sampled. 02/09/2000 2 10 00 PM Sample Matrix. Soil <br /> ANALYTICAL RESULT QAIQC REPORT <br /> Date LCS Spike MS Spike <br /> ' Test Parameter Method DLR Unit Result Analyzed Blank Conc LCS% Cone. MS% MSD RSD <br /> TPH-Gasohne EPA 8015M1DHS 1 mg/Kg ND 11-Feb-00 ND 05 960% 05 920% 940% 05% <br /> TPH-Diesel EPA 8015MIDHS 10 mg/Kg ND 11-Feb-00 ND 100 950% 100 950% 1050% 25% <br /> Methyl t-Butyl Ether(MtBE) EPA8260 5 ug/Kg 400 11-Feb-00 ND 40 950% 40 1050% 1025% 06% <br /> 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 uglKg ND 11-Feb-00 ND 40 1050% 40 1025% 1050% 06% <br /> Tort-amyl methyl ether(TAME) EPA8260 5 ug/Kg 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 /> a i <br /> Benzene EPA 8260 5 ug/Kg ND 11-Feb-00 ND 40 950% 40 950% 975% 06% <br /> Toluene EPA 8260 5 ug1Kg ND i1-Feb-00 ND 40 1000% 40 975% 950% 06% <br /> j Ethyl Benzene EPA 8260 5 ug/Kg ND 11-Feb-00 ND 40 1050% 40 1025% 1050% 06% <br /> I Xylene,Total EPA 8260 5 ug/Kg ND 11-Feb-00 ND 80 1000% 80 1125% 1138% 03% <br /> k <br /> rug/L=milligrams per Liter=ppm DLR-Detection Lrmrt for the Purpose of Reporting RSD-represent relative percent different{RPD)betwen duplicates spike of samples <br /> ' Exceptional sample matrices or enter ereneces may result in or Duplicate of Sample <br /> ug/L—micrograms per Liter= p p f y <br /> C=Composite G=Grab higher detection limits MS/MSD-measure of the percent recovery efficiencies within the matrix <br /> LCS-measure of the percent recovery of the Laboratory Control Spike(LCS) <br /> TFU ITTED, <br /> Jonathan Hao V Le,Laboratory Director <br /> EPA-Environmental Protection Agency Method Page l of l <br /> SM-Standard Method for Exammatron of4 Jatg W�j�VaDterr 11181 ` t I <br /> 5 I c� t Suite A Stockton, CA 95204 Tel `2091 462-0892 Fax 1209 462-7935 <br />