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EXCELCHEM <br /> . ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 <br /> Roseville, CA 95678 <br /> Phone# (916) 773-3664 Fax# (916) 773-4784 <br /> OA/OC REPORT <br /> Attention Vic Cherven TPHd Analyzed 07-05-96 <br /> 1017 26th Street Matrix Soil <br /> Sac , CA 95816 <br /> Project 96006 <br /> TPHd <br /> PPM <br /> Reporting Limit 10 <br /> QA/QC PARAMETER <br /> • <br /> Matrix Blank ND <br /> PERCENT RECOVERIES <br /> Laboratory Control Spike 73% <br /> Laboratory Control Spike Duplicate 75% <br /> ppm=parts per million=mg/Kg=milligram per lulogram <br /> ND=Not detected. Compound(s)may be present at concentrations below the reporting limit. <br /> Spikes&Spine Duplicates were each spiked with 5000 ug of diesel standard <br /> ANALYTICAL PROCEDURES <br /> TPIId—Total petroleum hydrocarbons as diesel(high boding points)are nw4mured by extraction using EPA Method 3550,followed by modified EPA <br /> Method 8015,with direct sample infection into a GC equipped with an FID <br /> 07-09-96 <br /> Labo tory Repre ntathve Date Reported <br /> • <br /> EXCELCHEM ENVIRONMENTAL LABS IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASE TESTING LABORATORY <br /> (Cem&stbon No 1760) <br />