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Superior Precision AnalytiCal, Inc. <br /> 825 Arnold Drive Suite 1 14 • Martinez Calrfornia 94553 (S 10) 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- 30538 <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 /> Mina-mum Detection Limit in Water 5000ug/L <br /> Modified EPA SW--846 Method 8015 for Extractable Hydrocarbons <br /> Mina-mum Quantitation Limit for Diesel in Water: 50ug/L <br /> PA 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 Sug/L <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> - r--- <br /> Gasoline . 81/94 15% 70-130 <br /> Benzene 119/113 50-. 70-130 <br /> Toluene - 122/115 6% 70-1.30 <br /> Ethyl Benzene - 105/102 3% 70-130 <br /> Total Xylenes 118/113 4% 70-130 <br /> Senior Chemist <br /> Certified Laboratories <br />