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o Superior Precision .,0"a6VVCal, Inc - <br />1555 Burke Unit I ■ San Francisco California 94124 • (4 15) 647-2081 / fax (4 15) 82 1-7 123 <br />1,61 <br />C E R T I F I C A T E O F A N A L Y S I S <br />iANALYSIS FOR TOTAL PETROLEUM HYDROCARBONS <br />Page 2 of 2 <br />QA/QC INFORMATION <br />SET: 14582 <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: lmg/kg <br />EPA SW -846 Method 8020/BTXE <br />Minimum Quantitation Limit in Soil: 0.005mg/kg <br />ANALYTE <br />MS/MSD RECOVERY <br />RPD <br />CONTROL LIMIT <br />--------------- <br />Gasoline: <br />--------------- <br />97/97 <br />--- <br />0% <br />------------- <br />74-116 <br />Benzene: <br />90/92 <br />2% <br />72-105 <br />Toluene: <br />84/87 <br />4$ <br />75-111 <br />Ethyl Benzene: <br />83/85 <br />2$ <br />78-110 <br />Xylenes: <br />80/83 <br />4% <br />69-117 <br />6 Richard Srna, Ph.D. <br />La ora ory DiredtoT <br />.. Certified Laboratories <br />