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HESuperior Precisior� Ar�a/ytica/, /nc. <br /> 825 Arnold Drive, Suite 1 14 Martinez, California 94553 (510J ,229-1512 /fax (510# 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 <br />{� Page 2 of 2 <br /> QA/QC INFORMATION <br /> SET: 92009 <br /> I n <br /> NA = ANALYSIS NOT REQUESTED I <br /> ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT . <br /> mg/kg v parts per million (ppm) <br /> OIL AND GREASE ANALYSIS By Standard Methods Method 5'520F: <br /> Minimum Detection Limit in Soil : 50mg/kg <br /> Modified EPA SW-846 Method 8015 for Extractablei!!Hydrocarbons : <br /> Minimum Quantitation Limit for Diesel in Soil : ,lmg/kg <br /> j <br /> EPA SW-846 Method 8015/5030 Total Purgable Petroleum Hydrocarbons : <br /> Minimum Quantitation Limit for Gasoline inpSoil3: lmg/kg <br /> EPA SW-846 Method 8020/BTXE it <br /> Minimum Quantitation Limit in Soil : 0 . 005m4/kg <br /> ANALYTE MS/MSD RECOVERY RPD ;. CONTROL LIMIT <br /> -------------- - ---------------- --- -------------- <br /> 1 Gasoline : 128/130 20 70-130 <br /> Benzene : 103/102 10 70,-130 <br /> Toluene : 7.10/109 10 70-130 <br /> Ethyl Benzene : 100/100 00 7&-130 <br /> Total Xylenes : 111/111 00 70-130 <br /> 1 <br /> Se or Chemist', <br /> Certified Laboratories <br /> I � <br />