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} <br /> SUPERIOR ANALYTICAL LABORATORY, INC. <br /> i <br /> 1555 BURKE. UNIT • SAN FRANCISCO. CA 94124 • PHONE (41',5) 647-2081' DOHS #1332 <br /> C E R T F I C A T E O F A N A L Y S. I S <br /> LABORATORY NO. : 53246 DATE RECEIVED: 02/28/91 <br /> CLIENT: URIAH , INC DATE 'REPORTED: 03/08/91 <br /> !f CLIENT JOB NO. : DON ' S BUGGIE . <br /> ANALYSIS FOR TOTAL PETROLEUM HYDROCARBONS <br /> 3 by Modified EPA. SW-846 Method 5030 and 8015 <br /> LAB ,:Concentration (mg/kg) <br /> Sample Identification Gasoline Range <br /> 1 Al 2200 <br /> I 2 A2 6..600 <br /> 3 A3 ND< 1 <br /> f 4 A4 ND< 1 <br /> mg/kg - parts per million ( ppm) <br /> Minimum Detection Limit for Gasoline in Soil : 1mg/kg <br /> QAQC Summary : - <br /> t Daily Standard run at 2mg/L: %Diff Gasoline = < 15% <br /> MS/MSD . Average Recovery 90%: Duplicate RPD = 2% <br /> t <br /> Richard Srna, Ph . D. <br /> ' Labor tory Dirbctor <br /> r <br /> i - <br /> OUTSTANDING QUALITY AND SERVICE <br /> � 1 <br />