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a <br /> S <br /> SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue • Suite LM • 4�:onCo,a.Culrfornia 94520 <br /> + 101 6x5.9056 FAX(510) 686-96a9 <br /> ERM-West(Sacramento) Client Project iD: Catellus-Stockton #1221.07 <br /> 2001 P Street,Suite 200 <br /> Sacramento,CA 95814 Reported: Sep 27 1991 <br /> Attention: Shannon Sadler OC Sample Group: 1090775.80,1399.400 . <br /> QUALITY CONTROL DATA REPORT <br /> Chloro- Chloro- <br /> ANALYTEToluene benzene MIDI <br /> 1,1-[>ichkoroethena Trichloroethane benzene Benzene <br /> Method: EPA 8010 EPA 8010 EPA 8010 EPA 6010 EPA 8010 EPA8010 <br /> Analyst: :.Le/A-Pannu S.La/A.Pannu S.Le/A,Panna S.Le/A.Pannu S.Le/A-Pannu S,t.e/A Pannu <br /> Reporting Units: ppb ppb ppb ppb ppb ppb <br /> Date Analyzed: Sep 23. 1491 Sep 23, 1991 Sep 23, 1991 Sep 23, 1991 Sep��6 1 Sep 23. <br /> QC Sample#: 105-0775 109-0776 tog-O776 104-0776 <br /> Sample Cone.: N.D. N.D. N.D. N.D. N.D. N.D. <br /> Spike Cone. 10 10 10 <br /> Added: 10 10 10 <br /> Cane.Matrix 8.6 9,3 <br /> Spike: 8.1 11 12 9.5 <br /> r <br /> Matrix Spike120 95 S6 93 <br /> %Recovery: 81 110 <br /> Cane.Matrix9 7 g g 9.6 <br /> Spike Dup.: 6.8 12 12 <br /> Matrix Spike <br /> Duplicate96 <br /> %Recovery: 68 120 120 97 69 <br /> Relative 2,1 3.4 3.2 <br /> %Ditlerence: 17 8.7 0 <br /> Conc.of M.S.•Cane:of Sample ------------------- <br /> SEQ IA ANALYTIC q Recovery: -- <br /> w^ Spike Conc.Added <br /> petetive%thtlerence: Cone.at M.S.•Gone.of M.S.D. x 100 <br /> I R.M310rSt01n iCAnc. 1040775.ERS <5> <br /> ect Manager <br />