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rNo _ �,6 1,y� ,�¢ UN <br /> v_ fin., 05 <br /> �, ,. <br /> i <br /> ll <br /> i <br /> SUPERICFi ANALYTICAL LABORATORY, INC. <br /> 1385 FAIRFAX ST..STE. D, •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. : 51418 DATE RECEIVED: 11/30/89 <br /> CLIGNT: Leedshiil - Herkenhoff, Inc. DATE REPORTED: 12/07/89 <br /> CLIENT JOB NO. : 9832. 12 <br /> ANALYSIS FOR BENZENE, TOLUENE, ETHYL BENZENE & XYLENES <br /> by EPA SW-846 Methods 5030 and 8020 <br /> Concentration(ug/kg) <br /> LAB Ethyl <br /> # ;ample Identification Benzene Toluene Benzene Xylenes <br /> 3 11-1E-89-11137-2 17 16 4.9 23 <br /> 4 11-16-89-TB7-40 11 ND<3 4.6 5.0 <br /> r W 5 11-i6-89-1188-5 ND<3 ND<3 ND<3 ND<3 <br /> ug/kg - parts per billion (ppb) <br /> Minimum Detection Limit in Soil : 3.0ug/kg <br /> QAOC Summary: <br /> Daily Standard run. at 20ug/L: RPD < 15% <br /> MS/MSD Average Recovery = 93%: Duplicate RPD = 1% <br /> Comments: <br /> Richard Srna, Ph.D. <br /> Laboratory Dire or <br /> OUTSTANDING QUALITY AND SERVICE <br />