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RO-)- RIN-',Ii-11 <br /> Analytical La6ora tory CER TIFICA TE OF ANAL YSIS <br /> Y Gary Kramer Friday,July 30 1999 t <br /> � 3 , <br /> Geomatrix Consultants <br /> 2444 Main Street, Suite 215 <br /> TYPE )1d Z <br /> a Fresno CA 93721-2734 LOCATION Cr EG N <br /> .y <br /> DEPTH <br /> # COMMENTS <br /> Sample Information <br /> Sample ID: PE5527-02 Sample Type: Grab <br /> Sample Description: Trave Bank Project Name: Port of Stockton Site#3 <br /> Date/Time Sampled. 7/9/99 11:20:00 AM C <br /> Sample Matrix: Ground Water <br /> a ( ANALYTICAL RESULT QA/QCREPORT <br /> Date LCS Spike MS Spike <br /> Test Parameter Method DLRUnit Result Dilution Analyzed Blank Conc. LCS% Colic. MS% MSD RSD% <br /> i TPH-Gasoline EPA-8015M/DHS 0.05 mg1L ND 1 10-Jul-99 ND' 0.98 100.0% 0.98 112.2% 111.2% 0.2% <br /> _ = Benzene EPA 8020 0.5 ug/L ND 1 10-Jul'-99 ND 20 98.0% 20 106.5% 110.0% 0.8% <br /> �! Toluene ry EPA 8020 D.S uglL ND' 110=Jul-99 ND 20 100.0% 20 105.0% 109.0% 0.9%u <br /> Ethylbenzene EPA 8020 �. 0.5 ug/L ND i 10-Jul-99 ND 20 98.5% 20 115.0%� 109.5% 1.2% <br /> _ Xylenes,Total y � EPA 8020 - 0.5 ttg1L-1T ND t 10-Jul-99 ND W 20 101,0% TM20~ 102.5% 106.5% -ry 1.0% <br /> } = Methyl-t-Butyl Ether(MtBE) EPA 8020 0.5 uglL ND 1 10-Jul-99 ND 20 99.0% 20 105.0% 100.0% 1.2% <br /> } '` nig/L=milligrams per(iter=ppm DLR-Detection Linrri for the Purpose ofRSD-represent relative percent different(RPD)between duplicates spike of samples <br /> =i uReporting.=mirrngrams per Lifer w ppb p ting Exceptional sample maH-ices or or Duplicate ofSample <br /> ') interferences may result in higher-detection <br /> yt C=Composite G=Grab MS/MSD-measure of the percent recovery e <br /> limits fficiencies within the matrix C <br /> LCS-measure of rhe percent recovery of the Laboratory Control Spike(1.CS) <br /> A� <br /> f RESPECTFULLY SUBMITTED, <br /> Jonathan Hao V. Le, Laboratory Director <br /> EPA-Environmental Protection Agency Method. page 1 of 1 <br /> SM-StandardMerhortfor Examination��t�:lt� ��t�f�t. Suite A Stockton, CA 95204 Tel.: (209) 462-0892 Fax: (209) 452-7935 <br /> 6 i <br />