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{:: <br /> I. <br /> SUPERIOR 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 /> LA60RATORY NO. : 0990 ! z <br /> '£ 5DATE RECEIVED: 06/22/89 -- <br /> ? j CLIf1d ; Biosystems Management International DATC REPORTED: 06/30/89 <br /> �IENT JOB NO. : 88-06-012 <br /> A'NIALYSIS FOR DENZENE, TOLUENE, ETHYL BENZENE & XYLENES <br /> by EP,? SW-846 Methods 5030 and 8020 t <br /> ' Concentration(ug/L) t <br /> LAB <br /> # Sample Identification - Ethyl <br /> Benzene Toluent <br /> e Benzene Xylenes <br /> .y 1 ---- ----------------- --- <br /> � ,4 <br /> • J <br /> f 4 r <br /> F' <br /> 1 Mw-1 1 . 1 ND<0.3 ND<0:3 ND<0.3 # 3 <br /> ,. 2 MW-2 2000 250 200 330 <br /> i?, 3 MW-3 0.4 ND<0.3 I4D<0.3 ND<0.3 t <br /> t _^, ug/L - parts per billion (Ppb) t;I ,•� h _ 'k <br /> L W. <br /> Minimum Detection LinOt in Water:0.3ug/L <br /> v�9 <br /> QAQC Summary: <br /> t`rI'd'C, 'fit <br /> Daily Standard run at nug/L: RPD = <15% :, . <br /> ^S/MSD Average Recovery = 104%: Duplicate RPD' _ <2 ;6 <br /> f R <br /> / R �.la�d Srna, Ph.G, <br /> t <br /> LLaboraLor-y Director I <br /> 1 <br />