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y <br /> SUPERIOR ANALYTICAL LABORATORY, INC. <br /> 15555 BURKE. UNIT I•SAN FRANCISCO, CA 94124 • PHONE(415) 647-2081 <br /> C E R T I F I C A T E O F A N A L Y S I S <br /> LABORATORY NO. : 61014 DATE RECEIVED: 06/15/90 <br /> CLIENT: Western Geoloair, Resources DATE REPORTED: 06/26/90 <br /> CLIENT ,JOB NO. : 6-066.03 <br /> ANALYSIS FOR TOTAL PETROLEUM HYDROCARBONS <br /> by Modified EPA SW-846 Method 5030 and 8015 <br /> LAB Concentration {mg/Lf <br /> # Sample Identification Gasoline Range <br /> 1 06150-02 ND<0.05 <br /> 2 06150-04 ND<0.05 <br /> 3 06150-05 1 .5 <br /> 4 D6150-06 ND<0.05 <br /> 5 06150-07 0.46 <br /> 7 06150-08 ND(0.05 <br /> ` mg/L - parts per million (ppm) <br /> Method Detection Limit for Gasoline in Water: 0.05 mg/L <br /> OAQC Summary: <br /> Daily Standard run at 2mg/L: RPD GasoliAe = 5 <br /> MS/MS7P Average Recovery T 102%: Duplicate RPD = 7 <br /> f �+ Ric rd Srn'aA/, Ph.D. . <br /> t Laboratory Manager <br /> i <br /> ;v <br /> OUTSTANDING QUALITY AND SERVICE <br />