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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 /> ...................!/96110611 1 <br /> .. .......... <br /> Blaine Tech-Services, Inc. Client Project ID: Chevron 9-055 <br /> -.-:.,.-985 Timothy Drive Matrix: Liquid <br /> San Jose, CA 95133 <br /> ':Attention: Jim Keller Work Order#: 9611035 06-07 Reported: Nov 24, 1996 <br /> . ........ <br /> .. ...... ... ... . ....- <br /> -2. <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Beryllium Chromium Cadmium Thallium <br /> OC 13atch#: ME1119962008MDA ME1119962008MDA ME1119962008MDA ME1 119962008MDA <br /> Analy. Method: EPA 200.8 EPA 200.8 EPA 200.8 EPA 200.8 <br /> Prep. Method: EPA 200.8 EPA 200.8 EPA 200.8 EPA 200.8 <br /> Analyst: S.O'Donnell S.O'Donnell S.O'Donnell S.O'Donnell <br /> MS/MSD#: 9611A3801 9611A3801 98 11 A3801 9511A3801 <br /> Sample Conc.: N.D. 2.6 0.13 0.81 <br /> Prepared Date: 11/19/96 11/19/96 11/19/96 11119/96 <br /> Analyzed Date: 11/19/96 11/19/96 11/19/96 11/19/96 <br /> Instrument I.D.#: MPES MPE5 MPE5 MPE5 <br /> Conc. Spiked: 100 vg/L 100 ug/L 100 ug/L 100 ug/L <br /> Result: 90 100 99 100 <br /> • MS % Recovery: 90 97 99 99 <br /> Dup. Result: 92 100 99 100 <br /> MSD % Recov.: 92 97 99 99 <br /> RPD: 2.2 0.0 0.0 010 <br /> RPD Limit* 0-20 0-20 0-20 0-20 <br /> R .. <br /> LCS #: BLK1 11996 BLKI 11996 BLK1 11996 BLK1 11996 <br /> Prepared Date: 11/19/96 11/19/96 11/19/96 11/19/96 <br /> Analyzed Date: 11/19/96 11/19/96 11/19/96 11/19/96 <br /> Instrument I.D.#: MPE5 MPE5 MPE5 MPE5 <br /> Conc. Spiked: 100 ug/L 100 ug/L 100 ug/L 100 ug/L <br /> LCS Result: 85 93 90 91 <br /> LCS % Recov.: 85 93 90 91 <br /> MS/MSD <br /> 80-120 80-120 80-120 80-120 <br /> LCS 80-120 80-120 80-120 80-120 <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 /> I&SEQUOIA ANALYTICAL 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. 11 <br /> the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> linterference,the LCS recovery is to be used to validate the batch. <br /> 7egg)y Penner <br /> Project Mana er MS=Matrix Spike, MSD=MS Duplicate,RPD=Relative%Difference 9611305.BLA <2> <br />