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E xcelc em <br /> ' Environmental Labs <br /> 4946 Watt Avenue, #38 1•� <br /> North Highlands, CA 95660 ° <br /> (916)334-8661 <br /> ' -DA10C REPORT <br />' Attention Mr Dave Diem TPHd Analyzed: 7-30-94 <br /> GEOCON Matrix Soil <br /> 11333 Sunco Drive, Suite 100 <br />' Rancho Cordova, Ca 95742 <br /> Project 58080-06-01 C <br />' TPHd <br /> PPM <br />' Reporting Limit 10 <br /> QA/QC PARAMETER <br /> Matrix Blank ND <br /> PERCENT RECOVERIES <br /> Matrix Spike 68% <br /> Matrix Spike Duplicate 62% <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 /> Spikes&Spike Duphcates were each spiked with 5000 ug of diesel standaint <br />' ANALYTICAL PROCEDURES <br /> I <br /> TPIId—Total petroleum hydrocarbons as diesel (high boiling points)are measured by extraction using EPA Method 3550, followed by <br /> modified EPA Method 8015,with direct sample injection into a GC equipped with an FII) <br /> 1 <br /> 7-30-94 <br />' La atory Representative Date Reported <br /> EXCELCHEM ENVIRONMENTAL LABS IS CERTIFIER BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF IILALTii SERVICES AS A IiAZARDOUS WASTE TESTING LABORATORY <br />' (Certification No 1760) <br />