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M <br /> Irn <br /> • Superior Precision /gnaIytical, Inc. <br /> 1 <br />. 825 Arnold Drive Suite 114 ■ Martinez California 945S3 - 1510) 229-1512 / fax (510) 229 1 526 <br /> -kj <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: 87026 <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 an 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 /> ANALYTE SPIKE LEVEL MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline: 200 ng 93/85 9% 70- 130 <br /> Benzene . 200 ng 96/89 8% 70-130 <br /> Toluene: 200 ng 97/90 7% 70--130 <br /> Ethyl Benzene : 200 ng 102/93 9% 70-130 <br /> Xylenes : 200 ng 94/83 12% 70-130 <br /> Richard Srna, Ph D. <br /> Laboratory Director <br /> Ccrtified Laboratories <br />