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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 Striker Avenue,Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916) 921 0100 <br /> Blaine Tech Services, Inc Client Project ID Chevron 9-8632%960507-W5 <br /> ,$985 Timothy Drive Matra Liquid <br /> San Jose, CA 95133 <br /> ,Attention Jim Keller Work Order# 9605581 -01 Reported May 20, 19%6- <br /> Y,..n ryry . v, mvm},nrvn r r vv ,+ ,. ) . ' , ,r ..,. v r ♦ v. v i.y.r.. . ♦ + r <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Total Recoverable <br /> Petroleum Hydrocarb <br /> CIC Batch# OP0507965=ExB <br /> Analy. Method. SM 5520 BF-Mod <br /> Prep. Method: SPE <br /> Analyst C Alcayde <br /> MS/MSD#- BLK050796 <br /> Sample Cone.: N D <br /> Prepared Date 5/7/96 <br /> Analyzed Date 5/8/96 <br /> Instrument I.D #. Manual <br /> Cone. Spiked: 10 mg/L <br /> Result 92 <br /> MS%Recovery 92 <br /> Dup. Result 85 <br /> MSD% Recov 85 <br /> RPD 79 <br /> RPD Limit 0-50 <br /> LCS# BLK0513% <br /> Prepared Date- 5/13/96 <br /> Analyzed Date. 5/15/96 <br /> Instrument l D.#. Manual <br /> Cone. Spiked 10 mg/L <br /> LCS Result 74 <br /> LCS% Recov.: 74 <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 /> ZbjeManager <br /> 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 /> r <br /> **MS Matrix Spike,MSD MS Duplicate, RPD Relative%Difference 9605581 BLA <1> <br />