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sequoia sU C --saocaKc ufl c ---W000"-'L CA 941103 D1 3�4 9x00 =-kX f415' k&& 923y .r <br /> r1] '7ateS -�,tI1tIC OL[^_ L Kora <_., �' n n q��p -=X 1510' 03o'�9og§• <br /> lnalvticai ` KCf -� C'lI1C �L.1tC ] Sm[nt0 1..� :Q.J 1� _ "^ {] -�.Y 19]0 )2] �']l,L <br /> =ro`,in Caldwell -„2nt r,oiect 10 Arco 434 94-5 Lom <br /> --016 Micron Ave Suite 600 'latnx -]r <br /> : 3cramento Cr'+ 95827 <br /> ,Ltennon rlindv Wrlaht CC Sumale uouo 4080704 705 reported Aua 23 1994 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE E[hvi <br /> Benzene Toluene Benzene Xylenes <br /> IV�Cth tJ� Ez'A 5020 <br /> Analyst C Lee v Lee C Lee C Lee <br /> Concentration <br /> Spiked 2 0 mg/m, _ ma,rn _ 7 ma m :0 mg;m, <br /> LCS Batch# LCS 081894 I-CS 081894 -CS 08 1894 LCS G81894 <br /> Date Prepared 3/18/94 18;94 3 18/94 3118/94 <br /> Date Analyzed 8/18/94 3f 18/94 8/18/94 8/18/9.1 <br /> Instrument 1 D # GCHP 2 GCHP 2 GCHP 2 GCHP-2 <br /> LCS % . <br /> Recovery 95 95 95 95 <br /> Control Limits 75-125 75 125 75 125 75-125 <br /> MS/MSD <br /> Batch # BLK081894 BLK081894 BLK081894 BLK081894 <br /> Date Prepared 8/18/94 8/18/94 8/18/94 8/18/94 <br /> Date Analyzed 8/18/94 8/18/94 8/18/94 8/18/94 <br /> Instrument 10 # GCHP 2 GCHP 2 GCHP 2 GCHP 2 <br /> Matrix Spike <br /> % Recovery 95 95 95 95 <br /> Matrix Spike <br /> Duplicate % <br /> Recovery 100 100 100 100 <br /> Relative % <br /> Difference 51 51 51 51 <br /> SEQUOIA ANALYTICAL Please Note <br /> The LCS is a control sample of known interferent free matrix that is analyzed using the same reage <br /> preparation and analytical methods employed for the samples The LCS%recovery data is used for <br /> validation of sample batch results Due to matrix effects the CIC limits for MS/MSD s are advisory only <br /> Jennie Higgins and are not used to accept or reject batch results <br /> Project Manager 40880704 ERS <2> <br />