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w <br /> Superior precision analytical, Inc. <br /> 835 Arnold Drive Suite 106 • Martinez California 99553 • 1510) 229 0166 / fax (5101229 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: 86311 <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 /> 0 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 /> I <br /> ANALYTE SPIKE LEVEL MS/MSD RECOVERY RPD CONTROL LIMIT <br /> ---------------- ------------ ---------------- --- ------------- <br /> Gasoline - 200 ng 104/102 2% 70-130 <br /> Benzene: 200 ng 93/95 2% 70-130 <br /> Toluene: 200 ng 91/98 7% 70-130 <br /> Ethyl Benzene: 200 ng 93/99 6% 70-130 <br /> Xylenes : 600 ng 98/104 6% 70-130 <br /> i <br /> 0 Richard Srna, Ph D <br /> Laboratory Dire <br /> Certified Laboratories <br />