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'� <br /> ,- ':-,^ •�, .-: ,, T' '^ <br /> a <br /> superior Precision Analytical, inc. <br /> , -1 _.. <br /> 1555 Burke. t1n�t 1 • San Francisco.Caldorno 94124 • (415;647.1081 /fo x 1415j 821.7123 <br /> r, <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: 12516 <br /> NA = ANALYSIS NOT REQUESTED <br /> ND = ANALYSIS NOT DETECTED ABOVE QUANTITATION LIMIT <br /> ug/1 = part per billion (ppb) <br /> OIL AND GREASE ANALYSIS By Standard Methods Method 503E: <br /> Minimum Detection Limit in Water: 5000ug/L <br /> Modified EPA-SW846 Method 8015 for Extractable Hydrocarbons: <br /> Minimum Quantitation Limit for Diesel in 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: 07/23/91 <br /> A-846 Method 8030/BTXE <br /> Minimum Quantitation Limit in Water: 0.5ug/l <br /> Standard Reference: 06/13/91 <br /> ANALYTE REFERENCE SPIKE- - <br /> LEVEL MS/MSDF.ECOJERY RPD CCNTROL-LIMIT <br /> Oil & Grease NA NA NA NA NA <br /> Diesel NA NA NA NA NA <br /> e 07/23/91 200ng 89/90 1.0 59-321 <br /> GasolineBenzene <br /> 200ng 80/83 3.8 70-125 . <br /> Toluene 06/13/91 200ng 82/85 3.5 74-116 <br /> Ethyl Benzene 06/13/91 200ng 79/81 2.9 75-320 <br /> Total Xylene 06/13/91 600ng 87/90 3.3 75-119 <br /> * Gasoline range concentration reported. A non-standard gasoline pattern <br /> wag observed in the chromatogram. <br /> Richard Srna, Ph.D. <br /> � /V yy�r iyt ,/ <br /> Labor tory D eec or, <br /> n <br /> Certified laboratories <br />