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SEQUOIA ANALYTICAL
<br /> 680 Chesapeake Drive - Redwood City, CA 94063
<br /> (415) 364-9600 FAX(415) 364-9233
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<br /> RESNA�� Client project iD: OV110365.02 5tockton,��Smittt�anal�ry
<br /> `l fi 1710 Main Street Matrix: Soil
<br /> _ Escalon, CA 95320
<br /> --NAttention: John Lane OC Sample Group: 31-12O201-10 Reported: Aug 16, 1993
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<br /> QUALITY CONTROL DATA REPORT
<br /> Jk"j ANALYTE Diesel
<br /> Method: EPA 8015
<br /> 71
<br /> Analyst: C.Lee
<br /> Conc. Spiked: 1s
<br /> Units: mg/kg
<br /> I4I; 1
<br /> LCS Batch#: D6LK081193
<br /> .i Date Prepared: 8/11/93
<br /> j- Date Analyzed: 8/12/93
<br /> Instrument I.D.#: GCHP-5
<br /> j LCS %
<br /> Recovery: 80
<br /> Control Limits: 50-150
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<br /> (( MS/MSD
<br /> E Batch#: 31-130105
<br /> Date Prepared: 8/11/93
<br /> Date Analyzed: 8/12/93
<br /> -? Instrument I.D.#: GCHP-5
<br /> Matrix Spike
<br /> i==< % Recovery".
<br /> Matrix Spike
<br /> Duplicate%
<br /> i Recovery:
<br /> Relative %
<br /> I` Difference:
<br /> *MS MSD affected by sample mdtrbc
<br /> SEQUOIA ANALYTICAL Please Note:
<br /> The LCS is a control sample of known,interferent free matrix that Is analyzed using the same reagents,
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<br /> preparation and analytical methods employed for the samples. The LCS%recovery data is used for
<br /> validation of sample batch results. Due to matrix effects,the QC limits for MS/MSD's are advisory only
<br /> VicTag a and are not used to accept or reject batch results.
<br /> -_- Project Manager 3H=201.WAT <9>
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