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Sequoia680 Chesaricake Drive Redwood City,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 (916) 921 9600 FAX (916)921 0100 <br /> Blaine Tech Services, Inc Client Project ID Chevron 9-2033/960227S2 <br /> 985 Timothy Drive Matrix Liquid <br /> San Jose, CA 95133 <br /> Attention Jim Keller Work Order# 9602J14 -01 Reported Mar 14, 1996 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte. Diesel <br /> QC Batch# GCO229960HBPEXA <br /> Analy Method EPA 8015 M <br /> Prep Method EPA 3510 <br /> Analyst: B Ali <br /> MS/MSD# 9602F79-08 <br /> Sample Cone too <br /> Prepared Date 2/29/96 <br /> Analyzed Date 2/29/96 <br /> Instrument I D # GCHP5A <br /> Conc Spiked 1000 ug/L <br /> Result 1000 <br /> MS % Recovery 90 <br /> Dup Result 1000 <br /> MSD % Recov 90 <br /> RPD 90 <br /> RPD Limit 050 <br /> LCS# BLK022996BS <br /> Prepared Date 2/29/96 <br /> Analyzed Date 2/29/96 <br /> Instrument I D #. GCHP5A <br /> Cone Spiked 1000 ug/L <br /> LCS Result 980 <br /> LCS %Recov 98 <br /> LCS 85-115 <br /> Control Limits <br /> Please Note <br /> The LCS is a control sample of known,lnierferent-tree matrix that is analyzed using the same reagents, <br /> S A:er <br /> ICAL 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 /> ea P na *`NIS=Matrix Spike, MSD=MS Duplicate,RPD=Relative%Difference <br />