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., <br /> Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 1a) 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(810)988 9673 <br /> �I Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Blaine Tech Services, Inc A 4 dfient Project I D Chevron 6-8i64'1 970107-Z2 <br /> 1680 Rogers Avenue Matrix Liquid <br /> San Jose, CA 95112 > <br /> ;Attention Fran Thle Work Order# 9701261 -01 Reported Jan 16, 1997 { <br /> .r ..r1w +lv 4*+k ry • 1 t m s r v • t r , v v .. , . r ry r r r + M1r♦ v y r ♦, ryv} <br /> QUALITY CONTROL DATA REPORT <br /> Analyte' Total Recoverable <br /> Petroleum Hydrocarb <br /> QC Batch#: OP0110975520EXA <br /> Analy Method- SM 5520 BF <br /> Prep. Method EPA3510 <br /> Analyst J Aquino <br /> MS/MSD#' BLK011097 <br /> Sample Cone : N D <br /> Prepared Date 1/10/97 <br /> Analyzed Date 1/13/97 <br /> Instrument I D # MANUAL <br /> Cone. Spiked. 10 mg/L <br /> Result 73 <br /> MS % Recovery 73 <br /> Dup Result 74 <br /> MSD % Recov : 74 <br /> RPD 14 <br /> RPD Limit 0-30 <br /> LCS#. <br /> Prepared Date- <br /> Analyzed Date- <br /> Instrument LD # <br /> Cone. Spiked. - <br /> LCS Result. - <br /> LCS% Recov- - <br /> 60-140 <br /> LCS 70-130 <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 /> U IA 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 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 /> eg Penner <br /> P ct Manager **MS=Matrix Spike, MSD=MS Duplicate,RPD=Relative%Difference 9701261 BLA 41> <br />