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G..-'`��, "r ,qx"� a..` ���� i '�, � �. ��t!'C�,-�n � r w4 � � .�`.`•.��e � � fi.�-.+.i' a��, b•'•;- 2� r �. <br /> SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City,CA 94063 <br /> (415)354-9600 FAX(415)364-9233 <br /> Deita Environmental Consultants talent Pra;ect ID:ao as ses.ol/Cnaner way 5r�eu,5focion <br /> W30 Data Drive <br /> ,RRancho Cordova,CA 95670 <br /> ,Attention Hugh Miles QC Sample Group 107-3934 Reported Jul 30, 1091 Ff <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl- <br /> Sen2ene Toluene benzene Xylenes <br /> Method: EPAs020 EPA 8020 EPA 8020 EPA&= <br /> Analyr;i: M.Nm;en M.Nguyen M.Nguyen M.Nguyen <br /> Reporting Units: n8 no no no <br /> Date Anaty7ed: Jul 27, 1991 Jul 27, 1991 Jul 27, 1991 Jul 27, 1891 <br /> OC Sample#: GBLK072791 GBLK072791 GBLK072791 GBLK072791 <br /> MS/FASD MS/MSD MS/MSD MS/MSD <br /> r <br /> Sample Cone.: N.D. N.D. N.D. N.D. <br /> Spike Cone. <br /> Added: 100 100 irG 300 k <br /> 1 <br /> Cone.Matrix <br /> Spike: 100 100 100 300 <br /> i <br /> i <br /> Matrix Sn,ke <br /> %Recovery: 100 100 100 100 <br /> Cone.Matrix <br /> Spike Dup.: 99 100 100 300 s. <br /> E <br /> s <br /> Matrix Spike <br /> Duplicate <br /> %Recovery: 99 100 100 100 } <br /> f <br /> r <br /> Relative <br /> Difference: 1.0 0.0 0.0 0.0 r <br /> i <br /> - i <br /> r <br /> l <br /> i <br /> SEQUOIA ANALYTICAL %Recovery: Conc.cf M.S.-Cene.of Sample X100 ! <br /> J: I Spike Conc.Added ti <br /> } t. t Relative%Difference: Conc.of M.S.-Conc.of M..D. x 100 <br /> Malie til Huey tipri�L� (Canc.of M S.+Conc.of M.S.D) 2 <br /> Project Manager 107?"i34.DLT <3> <br />