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EXCELCHE <br /> ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 a <br /> Roseville, CA 95678 <br /> Phone# (916) 773-3664 Fax# (916) 773-4784 <br /> OA/OC REPORT <br /> Attention Mr Vic Cherven TPHd Analyzed 08-19-96 <br /> Upgradient Environmental Matnx Soil <br /> 1017 26th Street <br /> Sacramento, CA 95816 <br /> Project Gillies Trucking <br /> TPHd <br /> PPM <br /> Reporting Limit 10 <br /> QA/QC PARAMETER <br /> Matrix Blank ND <br /> . PERCENT RECOVERIES <br /> Matrix Spike 900/0 <br /> Matrix Spike Duplicate 82% <br /> ppm=parts per million=mg/],,g=milligram per kilogram <br /> ND=Not detected Compound(s)may be present at concentrations below the reporting limit <br /> Spikes&Spike Duplicates were each spiked with 5000 ug of diesel standard <br /> ANALYTICAL PROCEDURES <br /> TPHd--Total petroleum hydrocarbons as diesel(high boiling points)are measured by extraction using EPA Method 3550 followed by modified EPA <br /> Method 8015,with direct sample injection into a 0C equipped with an FID <br /> L.— 08-19.96 <br /> L o tory Representative Date Reported <br /> EaCELCHEM ENVIRONMENTAL LABS IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HA7ARDOUS WpSCETFSTING LABORATORY <br /> (Certification No 1760) <br /> 9 <br />