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USLrperiCPrPreCiSiDn ,,Oqf7alytiCal, Inc. <br /> A member ofESSCON Environmental Support Service Consortium <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. 30750 <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 /> 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 MS/MSD RECOVERY RPD CONTROL LIMIT <br /> Gasoline : 101/116 14°s 56-117 <br /> Benzene : 84/86 2% 59-149 <br /> Toluene : 105/108 316 59-1.49 <br /> Ethyl Benzene : 92/95 3? 59-149 <br /> Total Xylenes : 102/104 2% 59-149 <br /> i <br /> Certified [@1(76gs ChUMISt <br /> 825 Arnold Dr Suite 1 14 1555 Burke St Unit 1 309 S Cloverdale St Suite B-24 <br /> Maittr]P7 (--Afnrnla Q41�K2 rnhFr%rni� 0&17d __- Caattic \f(/ac, tnn QS2111�_ <br />