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•1 it (y 1 <br /> Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 414 1 Wiget lane Walnut Creek CA 94598 (510) 988 96DO 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 16' Chevron 9-2033,'950815-H1 <br /> 985 Timothy Drive Matrix Liquid <br /> San Jose, CA 95133 <br /> 'Attention Jim Keller Work Order# 9508B93-01 Reported Aug 25, 1995 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Diesel <br /> QC Batch#: GC0818950H13PEXZ <br /> Analy. Method: EPA 8015M <br /> Prep. Method: EPA 3520 <br /> Analyst T Olive <br /> MS/MSD#• 9508B9301 <br /> Sample Conc • 54 <br /> Prepared Date 8/18/95 <br /> Analyzed Date: 8/20/95 <br /> Instrument I D # GCHP4 <br /> Conc Spiked 1000ys/L <br /> Result 1100 <br /> MS%Recovery 105 <br /> Dup. Result 830 <br /> MSD % Recov • 78 <br /> RPD. 28 <br /> RPD Limit 0-50 <br /> } <br /> LCS#. BLK081895 <br /> Prepared Date. 8/18/95 <br /> Analyzed Date 8/20/95 <br /> Instrument LD.#: GCHP4 <br /> Conc. Spiked: 1000yg/L <br /> LCS Result- 9so <br /> LCS %Recov : 96 <br /> MS/MSD <br /> LCS 38-122 <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 /> 7cggy <br /> A YTICAL 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 /> n r <br /> Project Manager "•MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 9508893 BLA <5> <br />