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1• <br /> Superior Precision Analytical, Inc. <br /> 1555 Burke Unit I ■ San Francisco California 94124 ■ ;415) 647-2081 / fax (4 15) 82 1-7 123 <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: 15043 <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: 1mg/kg <br /> OPA SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Soil: 0. 005mg/kg <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline: 112/114 2% 75-125 <br /> Benzene: 100/103 3% 72-125 <br /> Toluene: 92/96 4% 75-125 <br /> Ethyl Benzene: 91/94 3% 75-125 <br /> Total Xylenes: 97/101 4% 75-125 <br /> Diesel: 94/91 3% 66-142 <br /> * Does not match typical Diesel Pattern. <br /> • <br /> Se or Chemi t <br /> Account Manager <br /> Certified Laboratories <br />