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_ o Superior Precislan -Anna ytical, Inc. <br /> V1 PO Box 1545 • Martinez California 94553 • (510) 229-1590 / fax (5 10} 229-0916 <br /> C E R T I F I C A T E O F A N A L Y S I S <br /> ANALYSIS FOR TOTAL PETROLEUM HYDROCARBONS <br /> Page 2 of 2 <br /> QA/QC INFORMATION <br /> SET: 86363 <br /> NA = ANALYSIS NOT REQUESTED <br /> ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> mg/kg = parts per million (ppm) <br /> OIL AND GREASE ANALYSIS By Standard Methods Method 5520F : <br /> Minimum Detection Limit in Soil : 50mg/kg <br /> Modified EPA SW-846 Method 8015 for Extractable Hydrocarbons : <br /> Minimum Quantitation Limit for Diesel in Soil : lmg/kg <br /> EPA SW-846 Method 8015/5030 Total Purgable Petroleum Hydrocarbons : <br /> Minimum Quantitation Limit for Gasoline in Soil : lmg/kg <br /> OEPA SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Soil : 0 . 005mg/kg <br /> ANALYTE SPIKE LEVEL MS/MSD RECOVERY RPD CONTROL LIMIT <br /> ---- -------------- <br /> . <br /> Gasoline• 200 ng 86/86 0% 70-130 <br /> Benzene : 200 ng 87/86 1% 70-130 <br /> Toluene: 200 ng 92/91 1% 70-130 <br /> Ethyl Benzene: 200 ng 95/94 1% 70-130 <br /> Xylenes : 200 ng 99/98 1% 70--130 <br /> Richard Srna, Ph.D . / <br /> V&Mrs <br /> iLaboratory Direc r ( <br /> Certifies! Laboratories <br />