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i S <br /> S <br /> Y <br /> F <br /> SUPERIOR ANAL'ffICAL LABORAR)Ry, INC. <br /> �o <br /> 1385 FAIRF'AX ST.,STE. C. • 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, : 51447 DATE RECEIVED: 12/08/89 <br /> CLIENT: Leedsh-111 -- Hernenhoff, Inc, DATE REPORTED: 12/18/89 <br /> CLIENT JOB NO. : 9832. 12 <br /> ANALYSIS FOR TOTAL PERTROLEUM HYDROCARBONS <br /> by Modified EPA SW-846 Method 8015 <br /> LAB Concentration (mg/1 ) <br /> # Sample Identification Gasoline Range <br /> 1 MW1 1 <br /> 2 MW2 110 <br /> 3 MW3 ND<1 <br /> 4 MW4 ND<1 <br /> 5 MWS 60 <br /> mg/L parts per million (Ppm) <br /> Minimum Detection Limit for Gasoline in Water: 1mg/L <br /> QAQC Summary: <br /> -- Daily Standard run at 200mg/L: RPO Gasoline =<15% <br /> MS/MSD Average Recovery =96%: Duplicate RPD =<8% <br /> Richard Srna• Ph. <br /> Laboratory ire or. <br /> QUTSTANDING QUALITY AND SERVICE <br />