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r <br /> 06/01r92 17: 12 a 415 229 1526 SUPERIOR LABS P. 03 <br /> Superior precision .Analytical, Inc. <br /> 825 Arnold Drive, Suite 1 14 - MdrtlnCz, Cifliforniii IM 553 (51 U) 279 1511 / fix IS 10) 229.1 S>E, <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. 85762 <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 552OF : <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 /> ofPA 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 103/100 3 70-130 <br /> Benzene: 200 ng 99/98 1 70-130 <br /> Toluene: 200 ng 102/102 0 70-130 <br /> Ethyl Benzene : 200 ng 106/107 0 70-130 <br /> Xylenes: 200 ng 106/106 0 70-130 <br /> I <br /> I <br /> Richard Srna, Ph.D. <br /> • C. <br /> Laboratory Dir or b <br /> Certified Laboratories <br />