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y� <br /> • ', Sequoia 680 Chesapeake Drive Redwood Cay 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 /> Smith Environmental Client Project ID 94-331 01-07 <br /> 1260 Graphics Drive Matrix Liquid <br /> Modesto, CA 95351-1502 <br /> Attention Jeanne Homsey Work Order# 9612567-01-06 Reported Dec 26, 1996 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Diesel <br /> OC Batch# GC1214960HBPEXA <br /> Analy Method EPA 8015M <br /> Prep Method EPA 3510 <br /> Analyst B Sullivan <br /> MS/MSD#. 961279601 <br /> Sample Conc 84 <br /> Prepared Date 12/14/96 <br /> Analyzed Date 12/16/96 <br /> Instrument I D # GCHP4 <br /> Conc Spiked 1000pg/L <br /> Result 1300 <br /> MS % Recovery 122 <br /> Dup Result 1200 <br /> MSD % Recov 112 <br /> RPD 80 <br /> RPD Limit 050 <br /> LCS # BLK121496 <br /> Prepared Date 12/14/96 <br /> Analyzed Date 12/16/96 <br /> Instrument I D # GCHP4 <br /> Conc Spiked 1000idg/L <br /> LCS Result 1000 <br /> LCS % Recov 100 <br /> M M D 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 /> J T t the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> G" v — Interference the LCS recovery is to be used to validate the batch <br /> Vytas Ankaltis <br /> Project Manager '"MS=Matrix Spike, MSD=MS Duplicate RPD=Relative% Difference 9612567 SSS <3> <br />