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Superior Precisibn Analytical, Inc. <br /> 825 Arnold Drive Suite 1 14 ■ Martinez California 94553 ■ (5 10) 229-15 12 / fax (5 10) 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 88239 <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 /> 401 Minimum Quantitation Limit for Gasoline 3n Water- 50ug/L <br /> EPA SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Water 0 3ug/L <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline 100/100 0o 70-130 <br /> Benzene 111/110 1915 70-130 <br /> Toluene 106/105 10 70-130 <br /> Ethyl Benzene 108/108 00-. 70-1.30 <br /> Xylenes 107/107 0a 70-130 <br /> Diesel 122/125 20 80-140 <br /> Richard Srna, Ph D <br /> Laboratory Director <br /> Certified Laboratories <br />