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680 Chesapeake Drive Redwood City,CA 94063 (650) 364.9600 FAX(650)364-9233 <br /> Sequoia 404 N.Wiget Lane Walnut Creek,CA 94598 (510) 988.9600 FAX(510)988.9673 <br /> Analytical 819 Striker Avenue,Suite 9 Sacramento,CA 95834 (916) 921-9600 FAX(916)921-0100 <br /> L .......................... <br /> .................. <br /> ................ ...................... ...........- <br /> .............................. <br /> . <br /> ........... ...... <br /> :....::Blaine Tech Client Project ID: Chevron9-8632 971110-4 2 <br /> 1680 Rogers Ave. Matrix: Liquid <br /> ..'.'San Jose, CA 95112 <br /> "...Attention: Fran Thie Work Order#: 9711065-01-04 Reported: Dec 10, 1997...,.: <br /> ............ <br /> ........... . <br /> ....................... ............ <br /> ................. <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Diesel <br /> QC Batch#: G C I 124970H BP EXA <br /> Analy. Method: EPA 8015M <br /> Prep. Method: EPA 3510 <br /> Analyst: A. Porter <br /> MS/MSD #: <br /> Sample Cone.: <br /> Prepared Date: <br /> Analyzed Date: <br /> Instrument I.D.#: <br /> Cone. Spiked: <br /> Result: <br /> MS %Recovery: <br /> Dup. Result: <br /> MSD % Recov.: <br /> RPD: <br /> RPD Limit: <br /> K <br /> LCS #: BLK112497 <br /> Prepared Date: 11/24/97 <br /> Analyzed Date: 11/25/97 <br /> instrument I.D.#: GCHP5 <br /> Cone. Spiked: 1000,ugIL <br /> LCS Result: 750 <br /> LCS % Recow 75 <br /> MS/MSD 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 /> —ISEU I 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. H <br /> the recovery of analytes from the matrix spike does not fall within specified control limits due to matflx <br /> I interference,the LCS recovery is to be used to validate the batch. <br /> gg enner <br /> rl <br /> P ' et Manager MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 971IC65.BLA <7> <br />