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Sequoia680 Chesapeake Drive Redwood Cary,CA 94063 (650) 364 9600 FAX(650)364 9233 <br /> A 404 N W.get Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510)988 %7J <br /> At <br /> nalytical 619 Striker Avenue,Suite 8 Sacramento, CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Blame Techr$ervices, Inc Client Project ID $hell Tracy/970827-T2 <br /> 1680 Rogers Ave Matrix Liquid <br /> ,San Jose, CA 95112 f <br /> ,,Attention Fran Thie Work Order# 9708F55-01 Reported Sep 17, 1997 <br /> 1 S r r , r ~ r r r v, v v r • ` r r r ♦ r rr• r r` r <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Methanol <br /> QC Batch# GCO902971SHSHSA <br /> Analy. Method ISHS <br /> Prep. Method HS <br /> Analyst T Tran <br /> MS/MSD # 970BD7801 <br /> Sample Cone N D <br /> Prepared Date 9/2/97 <br /> Analyzed Date 9/2/97 <br /> Instrument I D.# GCV1 <br /> Conc. Spiked 8 0 mg/L <br /> Result 83 <br /> MS % Recovery 104 <br /> Dup Result 78 <br /> MSD % Recov 98 <br /> RPD 62 <br /> RPD Limit ---o=40 <br /> LCS #'T BLK090397 <br /> Prepared Date. 9/3/97 <br /> Analyzed Date 9/3/97 <br /> Instrument I D.# GCv1 <br /> Conc. Spiked 8 0 mg/L <br /> LCS Reai+it 77 <br /> LCS % Recov 96 <br /> 50-15o <br /> LCS 70-130 <br /> Control Limits m <br /> Please Note <br /> The LCS Is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> S A NALYTICAL 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 matrix 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 /> Penner <br /> Project Manager **MS=Matrix Spike, MSD=MS Duplicate,RPD=Relative%Difference 9708F55 BLA <4> <br />