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Superior Precision Inc. <br /> 825 Arnold Drive Suite 1 14 • Martinez California 94553 (510) 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: 89525 <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 5520E- <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 /> 0PA, SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Water 0 5ug/L <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> ---------------- --- ------------ --- -- ----------- <br /> Gasoline 91/96 50 70-130 <br /> Benzene 112/121 8°s 70-130 <br /> Toluene 108/11.7 8% 70-1.30 <br /> Ethyl Benzene 111/120 8°s 70-130 <br /> Total Xylenes 112/121 8% 70-130 <br /> Se for Chemist <br /> Certified Laboratories <br />