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Superior Precision analytical, Inc_ <br /> 825 Arnold Drnre 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 <br /> S I S <br /> ANALYSIS FOR TOTAL PETROLEUM HYDROCARBONS <br /> Page 2 of 2 <br /> QA/QC INFORMATION <br /> SET. 89826 <br /> NA = ANALYSIS NOT REQUESTED <br /> ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> ug/L = parts per billion (ppb) <br /> OIL AND GREASE ANALYSIS By Standard Methods Method 5520F <br /> Minimum Detection Limit in Water: 5000ug/L <br /> Modified EPA SW-846 Method 8015 for Extractable Hydrocarbons - <br /> Minimum Quantitation Limit for Diesel in Water 50ug/L <br /> EPA SW-846 Method 8015/5030 Total Purgable Petroleum Hydrocarbons : <br /> Minimum Quantitation Limit for Gasoline in Water. 50ug/L <br /> EPA SW-846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Water: 0 5ug/L <br /> l� <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> -------- <br /> -- <br /> Gasoline - 92/88 4°s 70-130 <br /> Benzene 105/103 25. 70-130 <br /> Toluene . 108/106 20 70-130 <br /> Ethyl Benzene . 1.08/107 10 70-130 <br /> Total Xylenes : 100/101 196 70-130 <br /> j <br />. Senior Chemist <br /> I <br /> I <br /> Certified Laboratories <br />