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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 N Wiset Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> qI0 Analytical 819 Striker Avenue,Suite 8 Sacramento,C4 95834 (916) 921 9600 FAX(916)921 0100 <br /> r.36`tivtrrnF}�nJ` rrrv ? ..J v♦ v J . r r!v l.. <br /> vBlalneTeic'h Services., Inc Chent Project ID Chevron 9-8632/970107-Z1 <br /> 1680 Rogers Avenue Matrix Liquid `t <br /> {f San Jose, CA 95112 <br /> Attention Fran Thle Work Order# 9701244-01-04 Reported Jan 16, 1997 > <br /> S } nv ! SY^r n} J x ~ }v ry v yr <br /> n r.ry rnn vvv 1v vv4�+ v} v ` t rry! + ! v u n n v r v rY v r ♦ w v v v v } r <br /> QUALITY CONTROL DATA REPORT <br /> Analyte' Diesel <br /> GC Batch#: GC0109970HBPEXZ <br /> Analy. Method: EPA 8015M <br /> Prep. Method- EPA 3520 <br /> Analyst: J Minkel <br /> MS/MSD#: 970125601 <br /> Sample Conc N D <br /> Prepared Date. 1/9/97 <br /> Analyzed Date: 1/10/97 <br /> Instrument I D#' GCHP5 <br /> Conc Spiked. 1000►tg/L <br /> Result* 1300 <br /> MS %Recovery, 130 <br /> Dup. Result: 1300 <br /> MSD % Recov : 130 <br /> RPD 00 <br /> RPD Limit- 0-50 <br /> LCS #: BLK010997 <br /> Prepared Date: 1/9/97 <br /> Analyzed Date. 1/10/97 <br /> Instrument I D #' GCHP5 <br /> Conc Spiked: 1000pg/L <br /> LCS Result: 720 <br /> LCS%Recov : 72 <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 /> Q [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 Ifthe 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 /> nner <br /> t Manager *'MS=Matrix Spike,MSD=MS Duplicate, RPD=Relative%Difference 9701244 BLA <5> <br />