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superior Precision Ana/ytica/, Inc. <br /> 1555 Burke Unit f ■ San Francisco California 94124 ■ (415) 647-2081 / fax (41 5) 821-7123 m <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: 15049 <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 /> 0- Minimum Quantitation Limit for Gasoline in Soil: lmg/kg <br /> EPA SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Soil: 0.005mg/kg <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> - - <br /> Gasoline: 111/113 2% 75--125 <br /> Benzene: 99/119 1$% 72-125 <br /> Toluene: 97/100 3% 75-125 <br /> Ethyl Benzene: 94/96 2% 75-125 <br /> Total Xylenes: 103/104 1% 75-125 <br /> 6.. ."44 <br /> o,.-"�-- <br /> sefi!-&VCh#&ist <br /> Certified Laboratories count Mnager <br />