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' S <br /> . ; uperior Precision ,..�a/yticzyl, Inc. <br /> 625 Arnold Drive, Suite 114 - Martinez. California 94553 - f510} 229-1512 /fax f510j 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 4 of 4 <br /> QA/QC INFORMATION <br /> ' SET: 86534 <br /> NA = ANALYSIS NOT REQUESTED <br /> ' ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> mg/kg ; parts per million (ppm) <br /> OIL AND GREASE ANALYSIS By Standard Methods Method 5520F: <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 : lmg/kg <br /> EPA SW-846 Method 8015/5030 Total Purgable Petroleum Hydrocarbons : <br /> ' Minimum Quantitation Limit for Gasoline in Soil : 1mg/kg <br /> EPA- SW-846 Method 8020/BTXE <br /> 10 Minimum Quantitation Limit in Soil : 0 . 005mg/kg <br /> ' ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline : 110/109 10 70-130 <br /> Benzene : 93/96 3% 70-130 <br /> Toluene : 99/101 20 70-130 <br /> ' Ethyl Benzene : 100/106 6k 70-130 <br /> Xylenes : 101/104 302,; 70-130 <br /> 1 <br /> Richard Srna, Ph. D. <br /> &X GL <br /> Labo tory ( irector <br /> Certified Laboratories <br />