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IL Sequoia 680 Chesapeake Drive Redwood City, CA 94063 (415) 364-9600 FAX(415) 364-9233 <br /> 4 404 N.Wiget Lane Walnut Creek,CA 94598 (510) 998-9600 FAX(510)988-9673 <br /> X11D— Analytical 819 Striker Avenue,Suite 8 Sacramento, CA 95834 (916) 921-9600 FAX(916)921-0100 <br /> Blaine Te&h-...Services,,'" -- Inc. Client Project ID: Chevron 9-056710227-H1 <br /> 1680 Rogers Avenue Matrix: Liquid <br /> San Jose, CA 95112 .... <br /> .. <br /> Fran Thie Work Order 9702F02 -01-07 Reported: Mar 17, 1997;;;; <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Beryllium Cadmium Chromium Nickel Sulfite <br /> QC Batch#: ME0304976010MEA ME0304976010MEA ME0304975010MEA ME0304976010MEA IN030397377100A <br /> Analy. Method: EPA 6010 EPA 6010 EPA 6010 EPA 6010 EPA 377.1 <br /> Prep. Method: EPA 3010 EPA 3010 EPA 3010 EPA 3010 NA <br /> Analyst: C.Medifesser C.Medifesser C.Medifesser C. Medifesser K.Sims <br /> MS/MSD #: 9702E9516 9702E9516 9702E9516 9702E9516 9702FO204 <br /> Sample Conc.: N.D. N.D. N.D. N.D. N.D. <br /> Prepared Date: 3/4/97 3/4/97 3/4/97 3/4/97 3/3/97 <br /> Analyzed Date: 3/5/97 3/5/97 3/5/97 3/5/97 3/3/97 <br /> Instrument I.D.#: MTJA2 MTJA2 MTJA2 MTJA2 Manual <br /> Conc. Spiked: 1.0 mg/L 1.0 mg/L 1.0 mg/L 1.0 mg/L 10 mg/L <br /> Result: 0.94 0.99 0.98 0.94 8.0 <br /> MS % Recovery: 94 99 98 94 so <br />• Dup. Result: 0.95 1.0 0.98 0.95 8.3 <br /> MSD % Recov.: 95 100 98 95 83 <br /> RPD: 1.1 1.0 0.0 1.1 3.7 <br /> RPD Limit: 0-30 0-30 0-30 0-30 0-20 <br /> ......... <br /> .5 <br /> X: <br /> LCS #: BLK022a97 BLK022897 BLK022897 BLK022897 BLK022697 <br /> Prepared Date; 2/28/97 2/28/97 2/28/97 2/28/97 2/26/97 <br /> Analyzed Date: 3/5/97 3/5/97 3/5/97 3/5/97 3/3/97 <br /> Instrument I.D.#: MTJA2 MTJA2 MTJA2 MTJA2 Manual <br /> Cone. Spiked: 5.0 mg/L 5.0 mg/L 5.0 mg/L 5.0 mg/L 10 mg/L <br /> LCS Result: 4.9 5.2 5.1 5.1 8.3 <br /> LCS % Recov.: 98 104 102 102 83 <br /> M5/MSD 75-125 <br /> LCS 8D-120 80-120 80-120 80-120 80-120 <br /> Control LI is - <br /> Please Note: <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> a U IA NALYTICAL preparation,and analytical methods employed for the samples. The matrix spike is an aliquot of sample <br /> U <br /> fortified with known quantities of specific compounds and subjected to the entire analytical procedure. <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 nner <br /> Project Manager MS=Matrix Spike,MSD=MS Duplicate, RPD=Relative%Difference 9702F02.BLA <1> <br />