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" <br /> S <br /> SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue a Suite LAA a Concord, California 9. 520 <br /> (415) 686-9600 a FAX (415)686.9689 <br /> Applied GeoSystems(SacrarneGlens Project 10. 0760-91-2/ARCO#760.Lodi <br /> '4191 E Power Inn Rd. <br /> Sacramento.CA 95826 <br /> Attention: &1.J.Hodges QC Sample GrouD: 1060318-20 Reported:Jun 18, 1991 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE =h <br /> Benzene Toluene Benzene Xylenes <br /> Method: EPA8015/f= EPA801518020 EF Z01S/8020EPAB015/80W <br /> Analyst: R.H./J.F. R.H./J.F. a.H,!J.F. R.H./J.F. <br /> Reporting Units: PPM Ppm FPM PPM <br /> Date Analyzed: Jun 17, 1981 Jun 17, 1991 Jun 17, 1991 Jun 17, 1991 <br /> Or,Sample if: 13LKG81791 SIX061791 8CK061791 6L1(051791 <br /> Sample Conc.: N.D. N.D. N.D, N.D, <br /> dplke Canc. <br /> Added: 0.40 0.40 0.40 1.2 <br /> 1 . <br /> Conc.Matrix <br /> Spike: 0.31 0.29 0.34 1.0 <br /> Matrix Spike <br /> %Recovery: 78 73 85 83 <br /> Cone-Matrix <br /> Spike Cup.: 0.35 0.35 0.41 1.2 <br /> Matrix Spike <br /> DupUcMe <br /> %Recovery: 90 85 100 100 <br /> Relathrm <br /> %olf1wence: 15 19 19 18 <br /> Quallty Asmwve Statement: All standard operating procedures and quality control requirements have been met. <br /> SEQUOIA ANALYTICAL %PAQWmyr. cora of M.&-Conc.of Semple x too <br /> Spft Com Addeo <br /> V IfI Re sbw 7i t]Ef WNXW Cana.of U&-Cons of LALS.D. x 100 <br /> J R AAF�Bfateln (Corm of AM+Cana.of M.5.D.1 2 <br /> - p lotsaslr.aPs <v <br />