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680 Chesapeake Dnve Redwood City CA 94063 (650) 364 9600 FAX(650)364 9233 <br /> Sequoia 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Sinker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Blaine tech 3ervices,JI-no ' Client Project ID Chevron 9-2033 /970821-F3 v x <br /> A 680 Rogers Ave Matrix Liquid <br /> San Jose, CA 95112 <br /> Attention Fran Thie Work Order# 970BD46-01 Reported Sep 10, 1997 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte, Diesel <br /> QC Batch#. GC082897GHBPEXA <br /> Analy Method EPA 8015M <br /> Prep Method EPA3510 <br /> Analyst. G Fish <br /> MS/MSD #` 970BD4601 <br /> Sample Cone : 1000 <br /> Prepared Date: 8/28/97 <br /> Analyzed Date: 8/28/97 <br /> Instrument I D # GCHP5 <br /> Cone Spiked 1000ug/L <br /> Result 1700 <br /> MS% Recovery 70 <br /> Dup. Result. 1700 <br /> MSD % Recov : 70 <br /> RPD- 00 <br /> RPD Limit. 0-50 <br /> { v s < <br /> LCS #: BLK082897 <br /> Prepared Date, 8/28/97 <br /> Analyzed Date. 8/28/97 <br /> Instrument I D.#: GCHP5 <br /> Cone Spiked. 1000ug/L <br /> LCS Result: 760 <br /> LCS % Recov.: 78 <br /> 50.150 <br /> LCS 60-140 <br /> Control Limits <br /> Please Note <br /> The LCS is a control sample of known,interferent4ree matrix that is analyzed using the same reagents, <br /> Q NALYTICAL 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 /> egg Penner <br /> Pr ct Manager **MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 9708D46 BLA <6> <br />