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i <br /> Superior Precision A"a6ltica/, Inc. <br /> 825 Arnold Drive Suite 1 14 • Martinez California 94553 ■ (510) 229-1512 / fax (510) 229-1526 <br /> a <br /> C E R T I F I C <br /> 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 89116 <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 552OF <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 10mg/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 76/76 029 70-130 <br /> Benzene 109/109 006 70-130 <br /> Toluene 99/101 2% 70-130 <br /> Ethyl Benzene 92/95 3% 70-130 <br /> Xylenes 92/95 30 70-130 <br /> Richard Srna, Ph D <br /> 2o-v&12( &�-kr <br /> LaboratI <br /> y Dii` ctor <br /> Certified Laboratories <br />