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Superior Precision analytical, Inc. <br /> 825 Arnold Drive Suite 1 14 ■ Martinez California 94553 ■ f5 10) 229-1512 /fax (5 10) 229-1526 <br /> r_xi <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: 88650 <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-646 Method 8015/5030 Total Purgable Petroleum Hydrocarbons . <br /> 0 Minimum Quantitation Limit for Gasoline in Water: 50ug/L <br /> EPA SW-646 Method 8020/BTXE <br /> Minimum Quantitation Limit in Water: 0 5ug/L <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline . 102/101 1k 70-130 <br /> Benzene : 96/106 10% 70-130 <br /> Toluene : 108/113 5"s 70-130 <br /> Ethyl Benzene- 115/118 3% 70-130 <br /> Xylenes : 115/119 3% 70-130 <br /> Richard Srna, Ph.D. <br /> Laboratory ire to C � <br /> Certified Laboratories <br />