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Superior Precision ,°Analytical, Inc. <br /> 1 555 Burke Unit I • San Francisco California 94 t 24 • 14 15) 647-2081 /fax (415182 1-7 123 <br /> 40 ii", . — <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: 13597 <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 552OF: <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/L0 7� <br /> ✓ <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: 97/94 3% 76-111 <br /> Benzene: 89/89 0% 78-110 <br /> Toluene: 90/90 0% 78-111 <br /> Ethyl Benzene: 92/91 1% 78-118 <br /> Xylenes: 92/91 1% 73-113 <br /> Richard Srna, Ph.D. <br /> Labq'Tatory Dzedtor <br /> Certified Laboratories <br />