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EXCELGHE <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. Vic Chernen Date Analyzed: 11-10-95 <br /> UPGRADIENT Matrix: Soil <br /> 3369 Kimberly Road <br /> Cameron Park, CA 95682 <br /> Project: 95026 / J&L Market <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 88% 92% 83% 83% <br /> Matrix Spike 96% 99% 88% 88% <br /> Duplicate <br /> ppm = parts per million = mg/Kg = 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%of target value& <br /> Spikes&Spike Duplicates were each spiked with 250 ng BTEX standard. <br /> ANALYTICAL PROCMURES <br /> BTEX—Benzene,toluene,ethylbenzene,and total xylene isomers(BTEX)are measured by extraction using EPA Method 5030 followed <br /> by analysis using EPA Method 8020 which utilizes a gas chromatograph (GC)equipped with a photoionization detector(PID)A511" . <br /> 11-10-95 <br /> bor tory Representative Date Reported <br /> EXCELCHEM ENVIRONMENTAL LABS IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No.1760) <br />