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k r <br /> Sequoia 680 Chesapeake 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 Sinker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX (916) 921 0100 <br /> Blaine Tech Services, Inc Client Project ID Chevron 9-8632 /9611 05-C2 <br /> 985 Timothy Drive Matrix Liquid <br /> San Jose, CA 95133 <br /> Attention Jim Keller Work Order# 9611260-01, 02, 03 Reported Nov 23, 1996 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Diesel <br /> OC Batch# GC111196OH13PEXA <br /> Anally Method EPA 8015M <br /> Prep Method EPA3510 <br /> Analyst J Minkel <br /> MS/MSD# 961142701 <br /> Sample Cone ND <br /> Prepared Date 11/11/96 <br /> Analyzed Date 11/11/96 <br /> Instrument I D # GCHP4 <br /> Conc Spiked 1000►tg/L <br /> Result 1100 <br /> MS% Recovery 110 <br /> Dup Result 1100 <br /> MSD% Recov 110 <br /> RPD 00 <br /> RPD Limit 0-50 <br /> LCS# BLK111296 <br /> Prepared Date 11/12/96 <br /> Analyzed Date 11/18/96 <br /> Instrument I D # GCHP5 <br /> Conc Spiked. 1000u9/L <br /> LCS Result 1000 <br /> LCS%Recov 100 <br /> 50-150 <br /> LCS 60-140 <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 /> SEQUOIA ANALYTICAL 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 /> Peggy Penner <br /> Project Manager **MS=Matrix Spike,MSD=MS Duplicate, RPO=Relative%Difference 9611260 BLA <10> <br />