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Superior Prhecision Ana/yticaCInc. <br /> 1555 Burke, Unit I • San Francisco, California 94124 • 41 5) 647-2081 / fax 41 5) 821-7123 <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 4 of 4 <br /> QA/QC INFORMATION <br /> SET: 15540 <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 /> Minimum Quantitation Limit for Gasoline in Water: 50ug/L <br /> EPA SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Soil: 0. 005mg/kg <br /> Minimum Quantiataion Limit in Water: 0. 5ug/L <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> --------------- --------------- --- ------------- <br /> Gasoline_Range: 96/88 9% 55-141 <br /> Benzene: 85/85 0% 67-141 <br /> Toluene: 87/87 0% 67-141 <br /> Ethyl Benzene: 80/80 0% 67-141 <br /> Total Xylenes: 83/84 1% 67-141 <br /> Diesel: 91/98 7% 50-150 <br /> Oil and Grease: 94/89 5% 50-150 <br /> Sent r, C emist <br /> Certified Laboratories Acco nt anager <br />