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-i EXCELCHEM <br /> ENVIRONMENTAL LABS <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. John Bower BTEX Analyzed : 07-27-96 <br /> h ' SECOR Matrix: Soil <br /> 1734 34th Street <br /> Sacramento, CA 95816 <br /> Project: Jo710-001-01 <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes <br /> <� PPM PPM PPM PPM <br /> Reporting,Unit: 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 103% 102% 101% 101% <br /> Matrix Spike 106% 105% 103% 104% <br /> Duplicate <br /> ppm=pads per million=mVKg=milligram per kilogram <br /> .1 ND o Not detected Compound(s)may be present at concentrations below the reporting limit. <br /> All surrogate recoveries were vdddn 30%of target values <br /> Spikes drSpike Duplicates were each spiked with 250 ng BTEX standard. <br /> ANALYTICAL PROCEDURES <br /> BTEX—Bcrmene,toluene,ethylbenzene,and total xylene isomers(BTEX)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 photoionization detector(PID). <br /> =.a <br /> 07-30-96 <br /> tory Representative Date Reported <br /> 4 <br /> 17C MZHIEM FNVMONMFNCAL LABS 6 CERr[FRD BYTHESPATEOF CAt1FORNLA <br /> DFPARIMFNT OF HEALTH SERVICES AS A HAZARDOUS WASTE TF5 11NC LABORATORY <br /> (Certs e-Uon Na 1760,2319) <br />