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Superior Precision Ana/yvca/, Inc. M. a <br /> 825 Arnold Drive, Suite 114 • Martinez, California 94553 • (5 10) 229-1512 / fax (5 10) 229-1 S26 <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 B' <br /> Page 2 of 2 <br /> QA/QC INFORMATION <br /> SET: 87656 <br /> NA = ANALYSIS NOT REQUESTED <br /> ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> mg/kg = parts per million (ppm) '10 <br /> IN vi+f-;i 4? <br /> OIL AND GREASE ANALYSIS By Standard Methods Method 5520F: -:w': j/: 4 <br /> Minimum Detection Limit in Soil : 50mg/kg <br /> Modified EPA SW-846 Method 8015 for Extractable Hydrocarbons : <br /> Minimum Quantitation Limit for Diesel in Soil : 10mg/kg <br /> EPA SW-846 Method 8015/5030 Total Purgable Petroleum Hydrocarbons : <br /> Minimum Quantitation Limit for Gasoline in Soil : lmg/kg <br /> EPA SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Soil : 0 . 003mg/kg <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> --------------- --------------- --- ------------- a <br /> Gasoline : 91/90 1% 70-130 <br /> Benzene: 95/97 21 70-130 <br /> Toluene : 104/104 0% 70-130 <br /> Ethyl Benzene: 108/107 11 70-130 <br /> Xylenes : 106/105 106 70-130 <br /> { <br /> Richard Srna, Ph.D. <br /> Laboratory Direc r Q <br /> Certified Laboratories <br />