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EXCELCHEM <br /> ENVIRONMENTAL LABS <br /> w <br /> 500 Giuseppe Court, Suite 9 0 <br /> Roseville, CA 95678 <br /> Phone# (916) 773-3664 Fax# (916) 773-4784 <br /> OA/OC REPORT <br /> Attention Mr Vic Cheiven 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% 109% 110% 111% <br /> Matrix Spike 120% 121% 119% 121% <br /> Duplicate _ <br /> ppm=parts per million=mg/l g=milligram per kilogram <br /> ND =Not detected Compound(s)may be present at concentrations below the reporting limit <br /> All surrogate recoveries were within 30%oftarget values. <br /> Spikes&Spike Duplicates were each spiked with 250 ng BTE\standard <br /> ANALYTICAL PROCEDURES <br /> BTEC--Benzene toluene,ethylbenzene,and total xylene isomers(BTE,\)are measured by extraction using EPA Method 5030 followed by analysis <br /> using EPA Method 8020 which utilizes a gas chromatograph(GC)equipped with a phototomzatton detector(PID) <br /> 08-19-96 <br /> alio tory Representative Date Reported <br /> 1. <br /> EaCELCHEM ENVIRONMENTAL LABS IS CERTIFIED 6Y THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTETESTING LABORATORY <br /> (Cent icatton No 1760) <br /> 8 <br />