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y/ \ Sequoia 680 Chesapeake Drive Redwood Gay,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> �� 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> - Analytical 819 Striker Avenue,Suite 8 Sacramento CA 95834 (9t6) 921 9600 FAX (916)921 0100 <br /> j-- <br /> rvu vAv .n yr ts n..rrt iicrl rr�vn xos. n+.v a. ; ni"o i,.p r rYrfi' t"v+L v.n.v r +'.i. v± iii r r <br /> Blaine Tech Services, Inc Client Project ID Chevron S221-5, 950526-K1 <br /> u 985 Timothy Drive Matrix Liquid <br /> San Jose, CA 95133 <br /> Attention Jim Keller Work Order# 9505K02 -01-04 M r A Reported Jun 9, X1995 <br /> ¢ ♦ i xil {Y r vvn rit r r • v 4r, rGAV l, .v v v r r r r ri r v { m x wl r rr z nr 4 •.v r s <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> OC Batch#: GCO60295BTEX02B GCO60295BTEX02B 00060295BTEX02B GC060295BTEX02B <br /> Analy Method. EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep. Method: EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst: J Minkel J Minkel J Minkel J Minkel <br /> MS/MSD #: 95051-19503 9505H9503 95051-19503 95051-19503 <br /> Sample Conc.- N D N D N D ND <br /> Prepared Date, 6/2/95 6/2/95 6/2/95 6/2/95 <br /> Analyzed Date: 6/2/95 6/2/95 6/2/95 6/2/95 <br /> Instrument I D #: GCHP2 GCHP2 GCHP2 GCHP2 <br /> Conc.Spiked: 10ug/L. 10pg/t- 10/ig/L 30pg/I- <br /> Result: 11 12 12 31 <br /> MS% Recovery: 110 120 120 103 <br /> Dup Result, 10 11 12 30 <br /> MSD % Recov.. 100 110 120 100 <br /> RPD: 95 87 00 33 <br /> RPD Limit: 0-50 0-50 0.50 0-50 <br /> r r i,. v • r x r + r v . { ,. ` ' . r r r r ` r <br /> r r . }. . M1 r i } ♦ ry i+ <br /> LCS#: - - - - <br /> Prepared Date: - - - <br /> Analyzed Date: - - - - <br /> Instrument !.D #: - - - - <br /> Conc.Spiked: - - - <br /> LCS Result: - - - - <br /> LCS %Recov.• - - - <br /> LCS 71-133 72-128 72-130 71-120 <br /> Control Limits <br /> Please Note <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> SrgyPnerren <br /> LYTICAL preparation,and analytical methods employed for the samples The matrix spike is an aliquot of sample <br /> fortified with known quantities of specific compounds and subjected to the entire analytical procedure If <br /> the recovery of analytes from the matnx spike does not fall within specified control limits due to matrix <br /> interference,the LCS recovery is to be used to validate the batch <br /> P <br /> Project Manager **MS=Matrix Spike, MSD=MS Duplicate,RPD=Relative%Difference 95051<02 BLA <I> <br />