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EXCELCHEM <br /> . ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 <br /> Roseville, CA 95678 14 <br /> Phone# (916) 773-3664 Fax# (916) 773-4784 <br /> OA/OC REPORT <br /> Attention Mr Vic Cherven Date Analyzed 08-19-96 <br /> Upgradient Environmental Matrix Soil <br /> 1017 26th Street <br /> Sacramento, CA 95816 <br /> Project Gillies Trucking <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes <br /> PPM PPM PPM PPM <br /> Reporting Limit 0 005 0 005 0 005 0 005 <br /> QA/QC PARAMETER <br /> Matrix Blank ND ND ND ND <br /> PERCENT RECOVERIES <br /> Matrix Spike 108% 1090/0 110% 111% <br /> Matrix Spike 120% 121% 119% 121% <br /> Duplicate <br /> Ppm=parts per million=mg/kg=milligram per kilogram <br /> ND =Not detected Compound(s)may be present at concentrations below tht,reporting limit <br /> All surrogate recoveries were within 30%of target values, <br /> Spikes&Spike Duplicates were each spiked with 250 ng BTEX standard <br /> ANALYTICAL PROCEDURES _ <br /> BTEx--Benzene,toluene,ethylhavene and total xylene isomers(BTE,\)are measured by extraction using EPA Method 5030 followed by analysts <br /> using EPA Method 8020 which Uhhzes a gas chromatograph(GC)equipped with a photo]ontzatton detector(PID) <br /> 'L 08-19-96 <br /> Jr <br /> abo tory Representative Date Reported <br /> EaCELCHEM ENVIRONMENTAL LAK IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No 1760) <br /> 8 <br />