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Sequoia 680 Chesapeake give Redwood City,CA 94063 (415) 364-9600 FAX(41S)364-9233
<br /> A '1 404 N.V?get Lane I Walnut Creek,CA 94598 (5 t0) 988-9600 FAX(510)988-9673
<br /> AnalytlCal 819 Striker Avenue,Suite 8 Sammento,CA 95834 (916) 921-9600 FAX(916)921.0100
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<br /> Smith Canonie Environmental Client Project ID: 94-369-01-10,Smith Canal
<br /> >Y7710 Main Street Matrbc: Liquid
<br /> f Escalon, CA 95320 -
<br /> ;'Attention: Jeanne Homsey Work Order#: 9510550-01 Reported: Oct 251,
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<br /> QUALITY CONTROL DATA REPORT
<br /> Analyte: Benzene Toluene Ethyl Xylenes
<br /> Benzene
<br /> QC Batch#: GC101095BTEX03A GC1010958TEXI]3A GC1010G5BTE)(03A GC1010956TEX03A
<br /> Ana ly. Method: EPA 8020 EPA 8420 EPA 8020 EPA 8020
<br /> Prep. Method: EPA 5030 EPA 5030 EPA 5030 EPA 5030
<br /> Analyst: J.Woo J.woo J.Woo J.Woo
<br /> MS/MSD#: 9509J5002 9509J5002 9509JS002 9509J5002
<br /> Sample Conc.: N.D. N.D. N.D. N.D.
<br /> Prepared Date: 10/10/95 10/10/95 10/10/95 10/10/95
<br /> Analyzed Date: 10/10/95 10/10/95 10/10/95 10/10/95
<br /> Instrument I.D.#: GCHP3 GCHP3 GCHP3 GCHP3
<br /> Conc.Spiked: 10pg/L 10pg/L 10pg/L 30pg/L
<br /> Result: 11 11 11 32
<br /> MS%Recovery: 110 110 110 107
<br /> Dup.Result: 10 10 9.9 30
<br /> 4_ > a MSD %Recov: 100 100 99 100
<br /> RPD: 9.5 9.5 11 6.5
<br /> RPD Limit: o-so 0-50 0-50 0-50
<br /> LCS#: - - - -
<br /> Prepared Date: - - - -
<br /> Analyzed Date•_ - - - -
<br /> Instrument I.D.# - - - -
<br /> Conc.Spiked:
<br /> LCS Result:
<br /> LCS%Recov.: - -
<br /> LCS 71-133 72128 72-130 71-120
<br /> Control Limits
<br /> Please Note:
<br /> The LCS is a corrtral sample of known,interferent-free matrix that Is analyzed using the same reagents,
<br /> 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. If
<br /> the recovery of analytes from the matrix spike does not fail within specified control limits due to matrix
<br /> (,(,L interference,the LCS recovery Is to be used to validate the batch.
<br /> Vickie Tague Clark
<br /> Project Manager '*MS=Matrix Spike,MSD-MS Duplicate,RPD-Relative%Difference 9510550.CAN <2>
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