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( . ' Sequoia 680 Chesapeake Dnve Redwood Gry CA 94063 (415) 364 9600 FAX(415) 364-9233
<br /> 404 N Wiget Lane Walnut Crock CA 94598 (510) 988-96)0 FAX(510)988-%73
<br /> Analytical 819 Scnker Avenue Suite 8 Sacramento CA 95834 (916) 921-%00 FAX(916)921 0100
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<br /> YSmith -Canonle Environmental YrcClient Project ID r 95-141,ttEkholm Property A w
<br /> 1710 Main Street Matruc Liquid r
<br /> --Escalon, CA 95320 '
<br /> Attention Jeanne Hornsey' Work Order# 951OJ25 -01-2 Reported Oct 31, 1995 x
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<br /> QUALITY CONTROL DATA REPORT
<br /> Analyte. Benzene Toluene Ethyl Xylenes
<br /> Benzene
<br /> ' QC Batch#: GC102795BTEX03A GC102795BTEX03A GC102795BTEX33A GC102795BTEX03A
<br /> Analy Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020
<br /> Prep. Method: EPA 5030 EPA-xi= EPA 5030 EPA 5030
<br /> ' Analyst: B Sullivan B Sullivan B Sullivan B Sullivan
<br /> MS/MSD#: 951OA3103 951OA3103 951OA3103 951CA3103
<br /> Sample Conc.: N D N D N D N D
<br /> Prepared Date' 10/27/95 10/27/95 10/27/95 10/27/95
<br /> Analyzed Date- 10/27/95 10/27/95 10/27/95 10/27/95
<br /> Instrument I D.# GCHP3 GCHP3 GCHP3 GCHP3
<br /> Cone. Spiked. 10ug/L 10Ng/L 10pg/L 30ug/L
<br /> ' Result: 10 10 10 30
<br /> MS% Recovery* 100 100 100 100
<br /> Dup. result. 11 11 11 34
<br /> MSD %Recov.: 110 110 110 113
<br /> ' RPD: 95 95 95 13
<br /> RPD Limit: 0-50 0-50 0-50 0-50
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<br /> 1 LCS #: BLK10279S BLK102795 BLK102795 BLK102795
<br /> ' Prepared Date' 10/27/95 10/27/95 10/27/95 10/27/95
<br /> Analyzed Date: 10/27/95 10/27/95 10/27/95 10/27/95
<br /> Instrument I.D.#: GCHP3 GCHP3 GCHP3 GCHP3
<br /> Cone Spiked: long/L tong/L 10frg/L 301fg/L
<br /> LCS Result- 11 11 11 32
<br /> LCS % Recov.: 110 110 110 107
<br /> ' MS/MSD
<br /> LCS 71-133 72-128 72-130 71-124
<br /> ' Control Limits
<br /> Please Note
<br /> The LCS is a control sample of known,interferent-fres matrix that is analyzed using the same reagents.
<br /> EQUOIA ANALYTICAL preparation,and analytical methods employed for the samples The matrix spike is an aliquot of sample
<br /> A fortified with known quantities of specific compounds and subjected to the entire analytical procedure M
<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 /> Vickie Tague Clark
<br /> Project Manager '"MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 951OJ25 CAN ¢1>
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