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Superior RreC%S%O/7 .,AnaytlCa/, Inc. <br /> • 1 555 Buikc Unjr I • Sin Francisco California 94124 • (4 15) 647 2.081 / fax (4 1 5) 821 7 12.3 <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: 13904 <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 />.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: 94/99 5% 76-111 <br /> Benzene: 90/89 1% 78--110 <br /> Toluene: 90/90 0% 78-111 <br /> Ethyl Benzene: 93/93 0% 78-118 <br /> Xylenes: 96/94 2% 73-113 <br /> Richard Srna, Ph. D. <br /> Labor tory Dlrdctbrte, <br /> Certified Laboratories <br />