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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364-9600 FAX(415) 364-9233 <br /> 404 N.Wiget Lane Walnut Creek,CA 94598 (510) 988-9600 FAX(510)988.9673 <br /> Analytical 819 Striker Avenue,Suite 9 Sacramento,CA 95834 (916) 921-9600 FAX(916)92 1-0 100 <br /> .:Smith environmental Client Project ID. 14549, 94-369 01-10 <br /> 1260 Graphics Drive Matrix: Liquid <br /> :,..,,Modesto, CA 95351-1502 <br /> Attention: Jeanne HomseY T.'..Work Order#: 9707190 -01-03 Reported: Jul 15, 199 . <br /> :::: <br /> X. <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Diesel <br /> QC Batch#: GC0709970HE3PEXB <br /> Analy. Method: EPA 8015M <br /> Prep. Method: EPA 3510 <br /> Analyst: a.Sullivan <br /> MS/MSD#: 970717701 <br /> Sample Conc.: N.D. <br /> Prepared Date: 7/9/97 <br /> Analyzed Date: 7/10/97 <br /> Instrument I.D.#: GCHP4 <br /> Conc.Spiked: 1000 fug/L <br /> Result: 790 <br /> MS % Recovery: 79 <br /> Dup. Result: 870 <br /> MSD%Recov.: 87 <br /> RPD: 9.6 <br /> RPD Limit: 0-50 <br /> �::.. v..,..,... ..:. ::.:..::..:.,: :...:.:. .:. .. .. <br /> .... ......... <br /> LCS#: BLK071097 <br /> Prepared Date: 7/10/97 <br /> Analyzed Date: 7/11/97 <br /> Instrument I.D.#: GCHP4 <br /> Conc.Spiked: 1000pg/L <br /> LCS Result: 750 <br /> LCS % Recov.: 75 <br /> 50-150 <br /> LCS 60-140 <br /> Control Limits <br /> Please Note; <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> S A A ALYTICAL 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 /> interference,the LCS recovery is to be used to validate the batch. <br /> h lynn <br /> ject Manager **MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 9707190.SSS <1> <br />