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j SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364.9600 • FAX(415) 364.9233 <br /> /:C:S— ^.......--r•rrrrx_V::lzc /':.. E-7 • .�:::.._='T�1.C^"'Lid:C.S.....'..T.`l'��"' +.wri '..... 5�..=•�Y. ... :i <br /> =Krazan&Associates Client Project ID: E91.1.164 <br /> 14816 E. Shields Ave. <br /> V.Fresno CA 93726 <br /> _Altentlon Tony Martin OC Sample Group 1100585-8 <br /> Reported: Oct 18, 1991 <br /> l�� +••n 4'V1gtKiil ..1Y.v a,.. aw: Si.♦ .__. j/a.wr�.n.e��3 usl' -. /i�.Jam...l-i.v. S�ii�.i.�iT��e����ltj t�.E�.i`V!! ti�.w'1 t�'..t_. <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Copper NM-W Sher Zinc Pnti=ny Thallium <br /> Method: EPA 200.7 EPA 200.7 EPA 200.7 EPA 200.7 EPA 204.2 EPA 279.2 <br /> Analyst: N.Herrera N.Herrera N.Herrera N.Herrera K Newbarry K Nrherry <br /> Reporting Units: mg/L mg/L mg/L mg/L "/L yg/L <br /> Date Analyzed: Oct 17, 1981 Oct 17, M1 Cct 17, 1991 Cd 17, 1991 Oct 18, 1991 Oct 16, 1991 <br /> OC Sample #: 11 oez3s 1100295 110-0295 110-0295 110-0595 1100585 <br /> Sample Conc.: 10 N.D. N.D. 51 N.D. N.D. <br /> Spike Cone. <br /> Added: 5000 5000 5000 5000 400 400 <br /> Cone. Matrix <br /> Spike: 4500 4800 4600 4900 450 300 <br /> Matrix Spike <br /> U Recovery: 90 96 96 97 112 75 <br /> Conc. Matrix <br /> Spike Dup.: 4500 4900 4500 4900 450 300 <br /> Matrix Spike <br /> Duplicate <br /> %Recovery: 90 98 96 97 112 75 <br /> Relative <br /> %Difference: 0.0 2.1 0.0 0.0 0.0 0.0 <br /> SEQUOIA ANALYTICAL - x iaaoovary Conc.or M.S.-Cone.o1 Sampla - e X100 <br /> - '� , :•_�.,:oz. ,a.;.-SP'ea Cora Add <br /> ed <br /> _ <br /> Kelson%PMaraner `Cono+*�a�l&aTCo<+ 01 M <br /> - Ylek►e TaOtlg - — s.�_ �— s— s�. ne.of M.S. t Cora.of M.S.Ulf 2-LProject Manager <br />