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Superior Precision Anal,ytical. Inc. <br /> " 825 Arnold Drive, Suite i 14 ■ Martinez, California 94553 ■ 1510) 229-1512 /fax (510) 229-1526 <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: 30555 <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 /> PA 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 MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline : 100/102 2% 70-130 --_ <br /> Benzene . 110/1.11 1`s 70-130 <br /> Toluene : 91/94 3°s 70--130 <br /> Ethyl Benzene : 81/83 2's 70-130 <br /> Total Xylenes : 98/99 1°s 70-r30 = <br /> Senior Chemist <br /> Certified Laboratories <br />