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10 Chesapeake Drive Redwood City,CA 94063 (650)364-9600 FAX(650)364-9233 <br /> Sequoia 404 N.Wiget Lane Walnut Creek,CA 94598 (925)988-%00 FAX(925)988-9673 <br /> 819 Striker Avenue.Suite 8 Sacramento.CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Analytical 1455 McDowell Blvd.North,Ste.D Petaluma.CA 94954 (707)792-t865 FAX(707)792-0342 <br /> X <br /> 'Inc. Client ProjectShell <br /> ............. <br /> ..Blaine Tech Services," i261 Country Club <br /> 1680 Rogers Ave. Matrix: Liquid <br /> ,..San Jose, CA 95112 <br /> Fran Thie Work Order#: 9808957 .02 Report: !: --ed:,, Sep <br /> 98 <br /> X <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: methanol <br /> OC Batch#: GCO818981SHSHSB <br /> Analy. Method: ISHS <br /> Prep. Method: HS <br /> Analyst: T.Sorokin <br /> MS/MSD#: 98089D303 <br /> Sample Cone.: N.D. <br /> Prepared Date: 8/17/98 <br /> Analyzed Date: 8/17/98 <br /> Instrument I.D.#: GCV1 <br /> Cone. Spiked: 8.0 mg/L <br /> Result: 7.9 <br /> MS % Recovery: 99 <br /> Dup. Result: 7.3 <br /> MSD %Recov.: 91 <br /> RPD: 7.9 <br /> RPD Limit: 0-50 <br /> .............. <br /> . . ............................. ................ —:x <br /> ............. ...... <br /> ............. .................... <br /> ............ <br /> ............ <br /> ............ <br /> ............ <br /> ................. ....... <br /> ......... <br /> .................. <br /> ............ ...... <br /> LCS#: LCS081998 <br /> Prepared Date: 8/19/98 <br /> Analyzed Date: 8/19/98 <br /> Instrument I.D.#: GCV1 <br /> Cone. Spiked: 8.0 mg/L <br /> LCS Result: 6.6 <br /> LCS % Recov.: 83 <br /> MS/MSD <br /> LCS <br /> Control Limits 70-130 <br /> Please Note: <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> S U IA,kNALYTICAL 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. If <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 /> Pe gy enner <br /> Pro anager MS=Matrix Spike, MSD=MS Duplicate,RPD=Relative%Difference 9808957.BLA <2> <br /> 1 . - -6Z3 <br />