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Sequoia • 680 Chesapeake Drive Redwood City,CA 940140 (415) 364.9600 FAX(415) 364-9233 <br /> 404 N.Wiget Lane Walnut Creek,CA 9459 (510) 988.9600 FAX(510)988-9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-9600 FAX(916)92 1.0 100 <br /> x <br /> .Smith Environmental Client Project ID: 15584,95-136 <br /> ::1260 Graphics Drive Matrix: Liquid <br /> Modesto, CA 95351-1502 <br /> -Attention: Jeanne Homsey Work Order#: 9609E16 -01-03 Reported Oct 9, 1996". <br /> 0 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Beryllium Chromium Cadmium Thallium <br /> QC Batch#: ME0926962008MDA ME0926962008MDA ME0926962008MDA ME0926962008MDA <br /> Analy. Method: EPA200.8 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#: 9609E1301 9609E1301 9609E1301 9609E1301 <br /> Sample Conc.: N.D. 2.1 0.11 0.070 <br /> Prepared Date: 9/26/96 9/26/96 9/26/96 9/26/96 <br /> Analyzed Date: 9/27/96 9/27/96 9/27/96 9/27/96 <br /> Instrument I.D.#: MPE5 MPE5 MPE5 MPE5 <br /> Conc. Spiked: 100 Mg/L 100pg/L 100pg/L loolug/L <br /> Result: 74 94 100 84 <br /> • MS % Recovery: 74 92 100 84 <br /> Dup. Result: 81 100 110 90 <br /> MSD % Recov.: 81 98 110 90 <br /> RPD: 9.0 6.2 9.5 6.9 <br /> RPD Limit: 0-20 0-20 0-20 0-20 <br /> X <br /> LCS #: BLK092696 BLK092696 BLK092696 BLK092696 <br /> Prepared Date: 9/26/96 9/26/96 9/26/96 9/26/96 <br /> Analyzed Date: 9/27/96 9/27/96 9/27/96 9/27/96 <br /> Instrument I.D.#: MPE5 MPE5 MPE5 MPE5 <br /> Conc. Spiked: 100pg/L 100 pg/L 100jig/L too pg/L <br /> LCS Result: 92 100 100 91 <br /> LCS % Recov.: 92 100 100 91 <br /> M D <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 /> SEOIJOI N 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 matrix <br /> Vytas Fnkaitis interference,the LCS recovery is to be used to validate the batch. <br /> Project Manager MS=Matrix Spike,MSD=MS Duplicate, RPD=Relative%Difference 9609E16.SSS <1> <br /> 4 <br />