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<br /> Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9133
<br /> i90D Bates Avenue,Suite L Concord,CA 94520 (510) 686 9600 FAX(5 10)686 9689
<br /> �,1-W Analytical 819 Straker Avenue suite 8 Sacramento CA 95834 (916) 921-9600 FAX(916)921 0100
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<br /> ;RESNA Client Protect ID 38009 1o, Stockton F S 2 -
<br /> �1710 Main Street Matrioc: Liquid
<br /> sl Escalon, CA 95320
<br /> Attention, John Lane OC Sample Group 9409154 01-05 Reported Oct 15, 1954
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<br /> QUALITY CONTROL DATA REPORT
<br /> ANALYTE Diesel
<br /> Method: EPA 8015 M
<br /> Analyst: B AN
<br /> MS/MSD
<br /> Batch#: 94ME5508
<br /> Date Prepared: 10/6/94
<br /> Date Analyzed: 10/9/94
<br /> Instrument I.D.#: GCHP4A
<br /> Cone. Spiked: 600 pg/L
<br /> Matrix Spike
<br /> . %Recovery: 68
<br /> Matrix Spike
<br /> Duplicate%
<br /> Recovery: so
<br /> Relative%
<br /> Difference: yyeep� 31
<br /> .....................
<br /> 40...��
<br /> LCS Batch#: - -
<br /> Date Prepared: -
<br /> Date Analyzed: -
<br /> Instrument I.D.#: -
<br /> LCS%
<br /> Recovery: -
<br /> ecovery
<br /> Control Limits: 50.150
<br /> Please Note
<br /> The LCS is a control sample of known,interferent free matrix that is analyzed using the same reagents,
<br /> SEQUOIA ANALYTICAL preparation,and ana"cal 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 /> y •�f L.� interference,the LCS recovery is to be used to validate the batch
<br /> Vickie Tague Clark
<br /> Project Manager 9409154 WAT <1>
<br /> .AcY,
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