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Superior Precision Analytical, Inc. <br /> 825 Arnold Drive Suite 1 14 ■ Martinez California94553 - (510) 229-1512 /fax (5 10) 229-1526 <br /> � F� <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. 30234 <br /> NA = ANALYSIS NOT REQUESTED <br /> ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> ug/L = parts per billion (ppb) <br /> 1 <br /> OIL AND GREASE ANALYSIS By Standard Methods Method 5520F <br /> Minimum Detection Limit in Water 5000ug/L <br /> Modified EPA SW-846 Method 6015 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 /> EPA SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Water 0 5ug/L <br /> 0 <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline 99/100 10 70-130 <br /> Benzene 86/85 10 70-130 <br /> Toluene 90/92 2e 70-130 <br /> Ethyl Benzene 91/91 00 70-130 <br /> Total Xylenes 99/100 1; 70-130 <br /> �9� --d <br /> Senior Chemist <br /> a <br /> Certified Laboratories <br />