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u � <br /> ®O Superior Precision Ana�Vtica/, Inc. <br /> 825 Arnold Drive, Suite 114 • Martinez, California 94553 • (S 10) 229-1512 /fax f51 o) 229-1526 <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 t�� II -- <br /> Page 2 of 2 �a9 <br /> QA/QC INFORMATION MAY 10 1993 <br /> SET: 88494 t'MIRONMENTAL HEALTH <br /> NA = ANALYSIS NOT REQUESTED PERMIT/SERVICCS, <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 /> EPA SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Soil : 0 . 003mg/kg <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> --------------- --------------- --- ------------- <br /> Gasoline: 93/78 18% 70-130 <br /> Benzene: 104/115 1051; 70-130 <br /> Toluene: 102/105 3% 70-130 <br /> Ethyl Benzene : 104/98 616 70-130 <br /> Xylenes : 106/91 15% 70-130 <br /> Diesel : 111/113 2% 75-125 <br /> Richard Srna, Ph.D. <br /> F' <br /> Labor tory D rector <br /> Certified Laboratories <br />