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: Superior Precision Ana6ltical. Inc. <br /> 825 Arnold Drive, Suite 1 14 • Martinez, California 94553 (5 10) 229-1512 / fax (5 10 229-1526 <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: 88653 <br /> NA = ANALYSIS NOT REQUESTED <br /> ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> ug/L = parts per billion (ppb) <br /> OIL AND GREASE ANALYSIS By Standard Methods Method 5520F: <br /> Minimum Detection Limit in Water: 5000ug/L <br /> Modified EPA SW-846 Method 8015 for Extractable Hydrocarbons : <br /> Minimum Quantitation Limit for Diesel in Water: 50ug/L <br /> EPA SW-846 Method 8015/5030 Total Purgable Petroleum Hydrocarbons : <br /> 0 Minimum Quantitation Limit for Gasoline in Water: 50ug/L <br /> EPA SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Water: 0 . 5ug/L <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline : 94/94 2 70-130 <br /> Benzene : 92/92 0 70-130 <br /> Toluene : 103/103 0 70-130 <br /> Ethyl Benzene : 109/110 0 70-130 <br /> Xylenes : 111/110 0 70-130 <br /> Richard Srna, Ph.D. <br /> 00�.a�cca h-,(' <br /> Labor cry Director <br /> Certified Laboratories <br />