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.,. " vru1 ax=e ": Y'z4 _ - s,.w. `-" - q� +-.. :- a�i`s"a`sr'.-" r,3,` .x ``� <br /> nY - <br /> SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue • Suite LM • Concord.California 94520 <br /> (510)686.9066 FAX (510)686.9689 <br /> Kanrealian Engineering,Inc. Client Project ID: Unocal r6015 Lod.,sal E.Kettl2man lane <br /> P.O.Box 996 <br /> Benicia,CA 94510 <br /> ;Attention: Mardo Kaprealian,P.E. QC Sample Group: i08162b fib Reported Sep 19, 1991 <br /> I <br /> QUALITY CONTROL DATA REPORT <br /> SURROGATE <br /> EPA EPA EPA EPA EPA EPA EPA <br /> Method: 8015/8020 8015/8020 8415/8020 8015/8020 8015/8020 8015/6020 8015/8020 <br /> Analyst: J.Fontecha J.Fontecha J.Fonlecha J.Fonlecha J.Fontecha J.Fentecha J.Fontecha <br /> Reporting Units: PPM PPM PPM ppm PPM pP,n pprn <br /> Date Analyzed: Sep B, 1991 Sep 8. 1991 Sep a. 1991 Sep 8, 1991 Sep 8, 1991 Sep a. 1991 Sep B. 1991 <br /> Sample : 108-1648 108-1649 108-1650 108.1651 108-1652 tc8-1653 168.1654 <br /> Surrogate <br /> %Recovery: 85 ss 87 85 81 lbb 100 <br /> Spike Conc.Added -------- <br /> - - - —- - -- - <br /> SEQUOIA ANALYTICAL %Recovery: Conc.of M.S--Conc.of Sample c 10f1- <br /> JRelative%Difference: Conc.o1 M.S.-Conc.of M.S.D. x 144 <br /> Belinda C.Vega (Conc.of <br /> Laboratory Director 1oBlszolcEi c14: <br />