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O Superior Precision �n�/ytica/� /r7c. <br /> 1555 Burke Unit I - San Francisco California 94124 - (415) 647-2081 /Fax (41 5) 821-7123 <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: 56452 <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 /> Minimum Quantitation Limit for Gasoline in Water: 50ug/L <br /> �A SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Water: 0. 3ug/L <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline: 100/98 2% 72-113 <br /> D <br /> Richard SrAn/a, Ph. D. <br /> 7U ! v <br /> Labo story Directo <br /> Certified Laboratories <br />