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S <br /> Superior Precision ..e r a/ytica/,. /17c. <br /> 1555 Burke Unit! ■ San Francisco California 94 124 (415) 647-208 f / Fax {4 f 5J 82 1-7 123 , <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 3 of 3 <br /> QA/QC INFORMATION <br /> SET: 56628 <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 /> WA SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Water: 0.5ug/L <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline: 95/100 5% 76-111 <br /> Benzene: 82/83 1% 78-110 <br /> Toluene: 87/92 6% 78-111 <br /> Ethyl Benzene: 93/99 6% 78-118 <br /> Xylenes: 96/102 6% 73-113 <br /> Richard Srna,,� /Ph.D. <br /> - �'U`v✓o " I <br /> Laboratory Director <br /> Certif=ied Laboratories <br />