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EXCEL HEM <br /> ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 <br /> Roseville, CA 95678 <br /> Phone# (916) 773-3664 Fax# (916) 773-4784 <br />' !QAI()C REPORT <br />' <br /> Attention. Mr <br /> John Juhrend TPHd Analyzed: 04-29-95 <br />' GEOCON Matrix Soil <br /> 3235 Sunrise Blvd , #6 <br /> Rancho Cordova, CA 95742 <br />' Project S8100-06-11A <br /> TPHd <br />' PPM <br /> Reporting Limit 10 <br /> QA/QC PARAMETER <br /> Matrix Blank ND <br /> PERCENT RECOVERIES <br />' Matrix Spike 42% <br />' Matrix Spike Duplicate 46% <br /> 1 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 />' Spd=&Spar Dues Were each Wdwd 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 <br />' modirted EPA Method 8015,with direct sample injection into a GC equipped with an FID <br /> 05-10-95 <br /> bo atory 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 />