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NZ <br /> l <br /> SUPERIOR ANALYTICAL LABORATORY INC. <br /> ti 825 ARNOLD.STE.2• MARTINEZ,CALIFORNIA 94553 (415)229m 1512 <br /> r <br /> Fp <br /> CERTIFICATE O F A N A L. Y S I S <br /> LABORATORY JO. : 80131 DATE RECEIVED: 01/05/90 <br /> CLIENT: Vapor Extraction Technology DATE REPOR'T'ED: 01/09/90 <br /> FA CLIENT JOB NO. : <br /> r1x AIR ANALYSIS by NIOSH 1500 FOR TOTAL HYDROCARBONS <br /> & AROMA'T'IC VOLATILE ORGANICS <br /> LAB <br /> SAMPLE: SO-3 <br /> tee <br /> Analyte <br /> u• Vol (L) Front(mg) Back(mg) pot. (— (mg/m3 {ppm) <br /> ---- <br /> Benzene 10 <0.009 <0.009 <0.009 <0, 9 <0.3 <br /> Toluene 10 <0.009 <0,009 <0.009 110.9 <0.2 <br /> Ethyl Benzene 10 <0.009 <0.009 <0.009 <0.9 <0.2 <br /> + Xylenes 10 110.009 <0.009 <0.009 <br /> Total Hydrocarbon 110,9 110.2 <br /> 10 <0. 1 110, 1 110. 1 <10 ----- <br /> Method Detection Limit BTEX-0.009 mg <br /> TPH-0. 1 mg <br /> QAQC Summary: <br /> I ' <br /> tea <br /> MS/MSD ave: age Recovery = 93%: DuPlicate RPD = 0 <br /> f-b <br /> .w <br /> j Edward R. Movales <br /> dtorv:', an n r• <br /> ; <br /> s <br /> i . <br /> SAN FRANCISCO MARTINEZ <br /> OUTSTANDING IIITYAND SERVICE <br />