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i Superior Precision Analytical, Inc- <br /> 835 Arnold Drive, Suite 106 • Martinez, California 94553 a (5101 229-0166 / fax (510) 229-0916 <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: 86196 <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 /> 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 /> ANALYTE SPIKE LEVEL MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline: 200 ng 93/95 2 70-130 <br /> Benzene: 200 ng 90/97 7 70-130 <br /> Toluene: 200 ng 93/97 4 70-130 <br /> Ethyl Benzene : 200 ng 95/100 5 70-130 <br /> Xylenes : 200 ng 94/99 5 70-130 <br /> . Richard Srna, Ph . D. <br /> Laboratory Director <br /> Certified ;aboratories <br />