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Superior Precisior7 Ana/ytica/. Inc_ <br /> ^ 825 Arnold Drive, Suite 1 14 ■ Martrnez California 94553 ■ (51 0) 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- 89786 <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 5520E- <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 /> Minimum Quantitation Limit for Gasoline in Water 50ug/L <br /> EPA SW-846 Method 8020BTXE <br /> Minimum Quantitation Limit in Water 5ug/L <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline 82/75 90 70-130 <br /> Benzene 113/117 3% 70-130 <br /> Toluene 107/113 50 70-130 <br /> Ethyl Benzene 107/115 7°5 70--130 <br /> Total Xylenes 104/112 7t 70-130 <br /> 9�g�93 <br /> Senior Chemist <br /> Certified Laboratories <br />