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� s - <br /> uperior l�recisior� Ana/ytica/, /roc_ <br /> 1555 Burke Unit f • San Francisco California 941 24 - (415) 647-2081 /fax 141 5) 82 1-7123 <br /> lb <br /> 1i 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 8 of 8 <br /> QA/QC INFORMATION <br /> SET: 56429 <br /> NA = ANALYSIS NOT REQUESTED <br /> ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> lmg/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 /> A SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Soil: 0.003mg/kg <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> t Gasoline: <br /> 98/98 0% 74-106 <br /> Benzene: 105/104 1% 72-105 <br /> Toluene: 104/103 1% 75-111 <br /> ,Ethyl Benzene: 105/103 2% 78-110 <br /> Xylenes:Y 106/104 2% 69-117 <br /> Richard Srna, Ph. D. <br /> Laboratory Director <br /> Ceriffed Laboratories <br />