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r: ii s� �1 i i i i i i i i i i � i I• <br /> CERTIFICATE OF ANALYSIS <br /> Ana/ytica/ Laboratory <br /> Tuesday, February 22,2000 <br /> TO- William Little <br /> ! Advanced GeoEnvlronmentai, <br /> 4005 N Wilson Way <br /> i Stockton, Ca 95205 <br /> f <br /> Sample Information <br /> Sample ID: AD0210-13 Sample Type: Grab <br /> Sample Description. MW3-20 Project Name. Bogettis Orchard Service <br /> Date/Time Sampled. 2/9/00 8 55 00 AM Sample Matrix- Soil <br /> ANALYTICAL RESULT QAIQC REPORT <br /> Date LCS Spike MS Spike <br /> I Test Parameter Method DLR Unit Result Analyzed Blank Cone LCS% Cone. MS% MSD RSD <br /> I TPH-Gasoline EPA 8015M1DHS 1 mg/Kg NO 11-Feb-00 ND 05 960% 05 920% 940% 05% <br /> f TPH-Diesel EPA 8015WDHS 10 mglKg NO 11-Feb-00 NO 100 950% 100 950% 1050% 25% <br /> Methyl t-Butyl Ether(MtBE) EPA8260 5 ug/Kg NO 11-Feb-00 ND 40 950% 40 1050% 1025% 06% <br /> f Diisopropyl ether(DIPS) EPA8260 5 ug/Kg NO 11-Feb-00 NO 40 900% 40 1050% 1025% 06% <br /> Ethyl-t-butyl ether(ETBE) EPA8260 5 ug/Kg NO 11-Feb-00 NO 40 1050% 40 1025% 1050% 06% <br /> Tert-amyl methyl ether(TAME) EPA8260 5 ug/Kg NO 11-Feb-00 ND 40 900% 40 900% 925% 07% <br /> t-Butanol(TBA) EPA8260 5 ug/Kg NO 11-Feb-00 ND 40 950% 40 976% 875% 27% <br /> i <br /> Benzene EPA 8260 5 ug1Kg NO 11-Feb-00 ND 40 950% 40 950% 975% 06% <br /> Toluene EPA 8260 5 ug/Kg NO 11-Feb-00 NO 40 1000% 40 975% 950% 06% <br /> Ethyl Benzene EPA 8260 5 ug/Kg NO 11-Feb-00 NO 40 1050% 40 1025% 1050% 06% <br /> Xylene,Total EPA 8260 5 ug/Kg ND 11-Feb-00 ND 80 1000% 80 1125% 1138% 03% <br /> 3 <br /> mg/L=milligrams per Luer=ppm DLR-Detection Lrmrt for the Purpose of Reporting RSD-represent relative percent different(RPD)behveen duplicates spike of samples <br /> ug/L=micrograms per Liter=pph Exceptional sample matrices or tnterfereneces may result in or Duplicate of Sample <br /> higher defection limits MS/MSD-measure of die percent recovery efficiencies x rlhtn the matrix <br /> ' C=Composite G=Grab <br /> LCS-measure of the percent recovery of the Laboratory Control Spike(LCS) <br /> RES <br /> STFU ITTED, <br /> Jonathan Hao V Le,Laboratory Director <br /> EPA-Environmental Protection Agency Method - Page I of I <br /> 5M-Slandard Method for Exammatronq <br /> A&IE I0ftvt4#(t 1&t Suite A Stockton, CA 95204 Tel (209) 462-0892 Fax (209) 462-7935 <br />