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�- ;••s Y r <br /> HMO <br /> g <br /> SEQUOIA ANALY`T'ICAL, 94520 <br /> 1900 Bates Avenue • Suite l <br /> M 0 Concord, C,11il-Mip (415) 686.9600 0 FAX(415) 686 9689 <br /> Kapreatian Engineering,Inc. Client Project ID: Itnocal.601 Kenleman Lane,Lodi <br /> P.O.Box 996 <br /> Benicia,CA 94510Reported: Apr 8. 1991 <br /> Attention:Mardo Itaprealian,P.E, QC Sample Group: 1040154-159 <br /> QUALITY CONTROL DATA REPORT <br /> [SUROGATE <br /> Method: EPA8015/8020 EPAS015/6020 EPA8015/8020 EPA8015/8020 EPAS015/8020 <br /> Analyst: K.Lee K.Lee K.Lee K.Lee K.Lee <br /> Mg/kg mg/k9 m9/kg mg/kg <br /> Reporting Units: mg/k9 Apr 6, 1991 Apr 6, 1997 Apr 6, 1991 Apr 6, 1941 <br /> Date Analyzed: Apr 6, 1-691 104-01f8 too-0159 Blank <br /> Sample#: 104-0156 104015 <br /> Surrogate1q0 93 83 90 <br /> %Recovery: 87 <br /> Cone.of M.S.•Cnne.of Sample x 100 <br /> SEQUOIA ANALYTICAL %Recovery: Conc.AddedRelative%Difference�=Spiike <br /> M.S. Conc.of M.S.L). <br /> X 100 <br /> (Ccnc.of M.S.+Conc.01 M.S.D.t/2 10gg142.KE1 c6� <br /> Belinda C.Vega/ <br /> Laboratory Director <br /> MOM <br />