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Superior Precisibn Ana/ytica/, /rnc_ <br /> 825 Arnold Drive, Suite 114 ■ Martinez, California 94553 ■ (510) 229-1512 /fax (510) 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 3 of 3 <br /> QA/QC INFORMATION <br /> SET: 89692 <br /> ' NA = ANALYSIS NOT REQUESTED <br /> ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> mg/kg = parts per million (ppm) <br /> 1 <br /> ' EPA SW-846 Method 8015/5030 Total Purgabl.e 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 /> --------------- --------------- --- ------------- <br /> Gasoline : 99/92 701 70-130 <br /> ' Benzene : 87/84 416 70-1.30 <br /> Toluene : 91/91 00 70-130 <br /> Ethyl Benzene: 109/107 20 70-130 <br /> Total Xylenes: 113/111 21s 70-130 <br /> 1 <br /> Senior Chemist <br /> ' Certified Laboratories <br />