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Superior Precision Ana/ytica/, Inc. <br /> k 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 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 /> Minimum Quantitation Limit for Gasoline in Water. 50ug/L <br /> OPA SW-846 Method 8020/BTXE <br /> Mini-mum Quantitation Limit in Water 0 3ug/L <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline 100/100 0% 70-130 <br /> Benzene 11.1/110 10 70-130 <br /> Toluene 106/105 1% 70-130 <br /> Ethvl Benzene 108/108 Oo 70-130 <br /> Xylenes 107/1.07 00 70-130 <br /> Diesel 122/125 2% 80--140 <br /> Rychard Srna, Ph D. <br /> Laboratory Director <br /> Certified Laboratories <br />