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i <br /> Superior Precision -Ana/ytical. /rnc_ <br /> 1 555 Burke Unit I ■ San Francisco California 94124 ■ 141 5J 647 2081 / fax (4 1 5) 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 2 of 2 <br /> QA/QC INFORMATION <br /> SET: 13302 <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 /> 0 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 SPIKE LEVEL MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline: 200 ng 86/91 6% 76-111 <br /> Benzene: 200 ng 91/92 1% 78-110 <br /> Toluene: 200 ng 95/97 2% 78-111 <br /> Ethyl Benzene: 200 ng 98/100 2% 78-118 <br /> Xylenes: 600 ng 94/55 1% 73-113 <br /> * Does not match typical gasoline pattern. <br /> ch r Sr <br /> f � � <br /> Labo atory birect r <br /> Certified Laboratories <br />