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a . ki <br /> Superior Precision .,,�aIy iCal. Inc. <br /> 825 Arnold Drive Suite 1 14 - Mart,nez California 94553 - (510) 229-1512 /fax IS]0) 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 2 of 2 <br /> QA/QC INFORMATION <br /> SET: 88615 <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 6020/BTXE <br /> Minimum Quantitation Limit in Water: 0 5ug/L <br /> ANALYTE MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline . 85/89 50 70-130 <br /> Benzene : 87/85 2% 70-130 <br /> Toluene : 96/95 10 70-130 <br /> Ethyl Benzene : 97/97 091 70-130 <br /> Xylenes . 92/92 0°s 70-130 <br /> Richard Srna, Ph.D. (�� <br /> L' J <br /> Laboratory Dir toy JJJ <br /> Certified Laboratories <br />