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Superior precision Ana/ytica/, Inc. <br /> 825 Arnold Drive Suite 1 14 - Martinez California 94553 ■ (5 10) 229-1512 / 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: 84169 <br /> NA = ANALYSIS NOT REQUESTED <br /> ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> ug/L = part per billion (ppb) <br /> OIL AND GREASE ANALYSIS By Standard Methods Method 503E <br /> Minimum Detection Limit in Water : 5000ug/L <br /> Modified EPA--SW846 Method 8015 for Extractable Hydrocarbons : <br /> Minimum Quantitation Limit for Diesel in Water: 50ug/L <br /> Standard Reference , NA <br /> OPPA-SW846 Method 8015/5030 Total Purgable Petroleum Hydrocarbons : <br /> Minimum Quantitation Limit for Gasoline in Water. 50ug/L <br /> Standard Reference : 10/04/91 <br /> SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Water 0 . 5ug/L <br /> Standard Reference : 10/11/91 <br /> ANALYTE REFERENCE SPIKE LEVEL MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Oil & Grease NA NA NA NA NA <br /> Diesel NA NA NA NA NA <br /> Gasoline 10/04/91 200 ng 107/114 6 70-130 <br /> Benzene 10/11/91 200 ng 104/98 6 70-130 <br /> Toluene 10/11/91 200 ng 103/97 6 70-130 <br /> Ethyl Benzene 10/11/91 200 ng 102/96 6 70-130 <br /> Total Xylenes 10/11/91 200 ng 105/101 4 70-130 <br /> • Richard Srna, Ph. D. <br /> Laboratory Direct8r <br /> Certified Laboratories <br />