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RW <br /> -^-°-In, - <br /> SEQUO <br /> IA ANALYTICAL <br /> RECEIVED MAY 3 ft <br /> 1 680 Chesapeake Chive - Redwood City,CA 94063 <br /> =' (415)384.9600 • FAX(415)364-9233 <br /> it - <br /> � <br /> - <br /> ,., -Waterwo.Rlc giant Project 1D:Reeves I mon,388 <br /> 1 r10 Main Street <br /> ` Escalan,CA 95320 <br /> Attention: Sf71 Chan>zeII QC Sample Graup: 1042985,2988 91 Re rted:Mar 1 i 1991 <br /> ..:a 'x mf. <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE t,1-Dichtorc- Trichioro- Chloro- <br /> ethane ethane benzene <br /> i.� <br /> Method: EPA 8010 EPA 8010 EPA 8010 <br /> Analyst: J.vllar J.Villar J.V,Ilar <br /> -� Reporting Units: ma1k9 rrr9;ks mg/kg <br /> Date Analyzed: Apr 24, 1991 At_•24. 1981 Apr 24, 189t <br /> OC Sample : Matix Mavix Matrix <br /> Sample Cone.: N.D. R.D. N.D. <br /> Spike Cone. <br /> Added: 50 50 50 <br /> Conc.Matrix <br /> - Spike: 48 44 48 <br /> r <br /> i <br /> Matrix Spike <br /> %Recovery: 96 88 c,6 <br /> Conc.Matrix <br /> Spike Dup.: 50 45 49 <br /> Matrix Spike <br /> Duplicate <br /> %Recovery: 100 90 98 <br /> Relative <br /> %Difference: 4.1 2.2 2.1 <br /> «r <br /> �+�SE f1DIA ANALYTICAL x Recovery. Cone,of M.S..Conc.M Sample, x 100 <br /> Spike Cone.Added <br /> Relative%gitfarenca: Cars.of M.S.-Conc.of M.S.U. x 10rf <br /> E abeth W.Fisc Coni.of M.S. +Cane.of M.S.DJ/2 <br /> �-_ roject Manager 10429ae.wAT 07> <br />