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o Superior precision Ana!_ytica/, Inc_ <br /> 825 Arnold Drive Suite If 4 a Martinez (Aifornia 94553 • (510) 229 1512x/ fax (510) 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 /> l <br /> Page 2 of 2 <br /> QA/QC INFORMATION <br /> SET 84821 <br /> NA = ANALYSIS NOT REQUESTED <br /> NO = 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-SW846 Method 8015 for Extractable Hydrocarbons <br /> Minimum Quantitation Limit for Diesel 7n Water 50ug/L <br /> Standard Reference NA <br /> EPA-SW846 Method 8015/5030 Total Purgable Petroleum Hydrocarbons <br /> Minimum Quantitation Limit for Gasoline in Water 50ug/L <br /> Standard Reference 10/04/91 <br /> Y <br /> -846 Method 8020/BTXE <br /> Minimum Quantitation Limit in Water 0 5ug/L <br /> Standard Reference 10/11 /91 <br /> ANALYTE REFERENCE SPIKE LEVEL MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Oil & Grease NA NA NA NA NA <br /> Diesel NA NA NA NA NA <br /> Gasoline 01 /02/92 200 ng 103/95 8 70- 130 <br /> Benzene 01 /06/92 200 ng 102/103 1 70-130 <br /> Toluene 01 /06/92 200 ng 103/ 102 1 70--130 <br /> Ethyl Benzene 01 /06/92 200 ng 110/110 0 70-130 <br /> Total Xylenes 01 /06/92 200 ng 102/101 1 70-130 <br /> - Gasoline range concentration reported A non-standard <br /> gasoline pattern was observed in the chromatogram <br /> I <br /> /JR"ichard Srna, Pah{ D <br /> r Laboratory Director <br /> Ccrt�f�cc! Lal�or �torie� <br />