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x€L a .y jA <br /> MW <br /> SUPERyOR ANALYTICAL LABORATORY, INC. <br /> w985 FAIRFAx ST., STE. D. • SAN FRANCISCO. CA 94124• PHONE (416)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: Leedshill -- Herkenhoff, Inc. DATE REPORTED: 12/18/89 <br /> CLIENT JOB NO. : 9832. 12 <br /> ANALYSIS FOR TOTAL PETROLEUM HYDROCARBONS <br /> by Modified EPA SW-846 Method 8015 <br /> LAB Concentration (mg/kg) <br /> # Sample Identification GasolineRange Diesel Range <br /> 01 ND<10 ND<10 <br /> 7 <br /> 8 C1 ND<10 N0<10 <br /> g C3 ND<10 N000 - <br /> ,,- Minimum Detection Limit for Gasoline and Diesel in Soil : 10mglkg <br /> QAQC Summary: <br /> Daily Standard run at 200mg/L: RFD Gasoline <15% <br /> RPO Diesel = <30% RSD <br /> M5/MSD Average Recovery = 74%: Duplicate RPD = 7% <br /> i.M <br /> Richard Srna, Ph.D.- <br /> Laboratory <br /> h.D.Laboratory Dir tor �- <br /> OUTSTANDING QUALITY AND SEP <br /> VICE <br />