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1 - CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> Sequoia 680 Chesapeake Drive Redwood City, 510 686 9600 FAX(510)686 9689 <br /> 1900 Bates Avenue,Suite L <br /> Concord,CA 94520 ( ) <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 "e <br /> � Analytical <br /> tikA\— rk9Yw"N�S^}x 5. ''•`'^+.vn�� �gin~'n^+�.'ri iin i <br /> —rSr} { 1 <br /> Client Projectlwr� TES 3tl5 Siiichiris <br /> Icon %$ <br /> Water <br /> 3235 Sunrise Blvd , Suite 6 Matrix <br /> Rancho Cordova, CA 95742 Reported Dec 8, 1994" <br /> CC Sample Group 4120022-27 <br /> Attention Richard Walls <br /> ' QUALITY CONTROL DATA REPORT <br /> 1 <br /> ' <br /> ANALYTB Trichloro- Ghloro- <br /> 1,1-Diohloroethen I ,then,, benzene <br /> ' Method EPA 601 EPA 601 EPA 601 <br /> Analyst' K Ndl K Nill K Nil) <br /> ' Concentration 10 ppb 10 ppb <br /> Spiked. 10 ppb <br /> LCS Batch# LCS120694 LCS120694 LCS120694 <br /> ' Date Prepared* N/A N/A N/A <br /> Date Analyzed 12/6/94 12/6/94 12/6/94 <br /> Instrument I D # HP6890/6 HP5890/6 HP5890/6 <br /> LCS <br /> Recovery 132 78 B3 <br /> Control Limits: <br /> 28-167 35-146 38-150 <br /> MS/MSD <br /> Batch# 4120122 4120122 4`120122 <br /> ' Date Prepared N/A N/A N/A <br /> Date Analyzed 12/6/94 12/6/94 12/6/94 <br /> Instrument I D # HP5890/6 HP5890/6 HP5890/6 <br /> Matrix Spike 79 <br /> %Recovery 121 89 1 <br /> ' Matrix Spike <br /> Duplicate % so 71 <br /> Recovery 114 <br /> Relative% 11 <br /> Difference. 60 11 <br /> ' <br /> Fvalidation <br /> ase NotaThe LCS is a control:::n,interferent free matrix that Is analyzed using the same reagents,SEpUOfA ANALYTICAL paration and analytiloyed for the samples The LCS 96 recovery data is used for of sample hato matrix effects,theDClimits for MS/MSt]'s are'edvisory onlyd are not used to acch results <br /> ,Ie ie Higgins �J <br /> Project Manager 4120022 GEC -e10? <br />