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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (650) 364-9600 FAX(650)364-9233 <br /> 404 K Wiget Lane Walnut Creek,CA 94598 (510) 988-9600 FAX(510)988.9673 <br /> 4 A n� YT}�C�� 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-9600 FAX(916)921-0100 <br /> 'Wr ..................... <br /> it`si'i'E .................................................. <br /> i: E i <br /> :Blaine Tech Services, Inc..; Client Project ID. Shell 1267 Country Club I <br /> < 1680 Rogers Ave. r Matrix: Liquid I <br /> €San Jose, CA 95112 <br /> "'Attention: Fran Thie Work Order#: 9802J20-01-07; 9802J21-01 Reported: Mar 20, 1998, <br /> .................. ............................................:::.:................ <br /> ...................:........... <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Diesel i <br /> QC Batey!#: G00305980HBPEXZ <br /> Analy. Method: EPA 8015M �p <br /> Prep. Method: EPA 3520 <br /> Analyst: A. Porter <br /> MS/MSD#: 9802J1809 <br /> Sample Conc.: 310 <br /> Prepared Date: 3/5/98 <br /> Analyzed Date: 3/10/98 <br /> Instrument I.D.#: GCHP4 <br /> Conc. Spiked: 1000pg/L <br /> Result: 780 <br /> I MS % Recovery: 44 <br /> Dup. Result: 1200 <br /> MSD % Recov.: 89 <br /> RPD: 46 <br /> RPD Limit: 0=50 <br /> LCS #: BLK030598 <br /> Prepared Date: 3/5/98 <br /> Analyzed Date: 3/9/98 <br /> Instrument I.D.#: GCHP4 <br /> 1 Conc. Spiked: 1000.ug/L <br /> 1 <br /> LCS Result: 870 <br /> LCS % Recov.: 87 <br /> 50-150 <br />° LCS 60-140 <br /> Control Limits <br /> f Hl: <br /> Please Note: i <br /> ,f <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> SEQU ANA YTICAL preparation,and analytical methods employed for the samples. The matrix spike its 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 /> Pe y P r <br /> Proj t ANA <br /> **MS=Matrix Spike,MSD=MS Duplicate, RPD=Relative%Difference 9802J20.BLA <5> <br /> ) <br />