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x-� - - I_ - - <br /> x ° <br /> SUPERIOR ANALYTICAL LABORATORY, INC. <br /> 1555 BRIRKE, 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. : 80967 <br /> CLIENT: Wastern Geologic Resources DATE RECEIVED: 06/05/90 <br /> CLIENT JOB NO. : 6-066.03 DATE REPORTED: 06/13/90 <br /> ANALYSIS FOR BENZENE, TOLUENE, ETHYL BENZENE & XYLENES <br /> by EPA SW-846 Methods 5030 and 8020 <br /> LAB Concentration(ug/Kg) <br /> Sample IdentificationEthyl <br /> is <br /> -- --------------------- <br /> luene Benzene Xylenes <br /> Benzene To <br /> ------- <br /> 7 -- <br /> ---- ------- ------ <br /> 8-6-35.5' <br /> 9 B-6-45.5' ND<3 ND<3 <br /> ND<3 ND<3 <br /> ND<3 <br /> 13 B-6-65.0' ND<3 ND<3 ND<3 <br /> 14 8-6-70.5' ND<3 ND<3 NDC3 ND<3 <br /> ND<3 ND<3 PID<3 ND<3 <br /> a <br /> ug/L - parts per billion <br /> ug/Kg - parts (ppb) <br /> � per billion (Ppb) <br /> Method Detection Limit in Soil : 3 ug/Kg <br /> Method Detection Limit in Water: 0.3 ug/L <br /> 0 <br /> OAQC Summary: <br /> Daily Standard run at 20ug/L: RPD = <16% <br /> MS/MSD Average Recovery = 95 <br /> r <br /> Duplicate RPD = 5AG <br /> .rz <br /> Y Rich rd Srna, Ph.D. <br /> �- <br /> r' Laboratory Manager <br /> i, <br /> t1 <br /> OUTSTANDING QUALITY AND SERVICE <br />