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n Sequoia 680 Chesapeake Drtve Redwood City CA 94063 (650) 364-9600 FAX(650)364-9233 <br /> rY 404 N Wigat lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue.Suite 8 Sacramento,CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Analytical <br /> 1455 McDowell Blvd North.Ste 0 Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> • <br /> Gettler Ryan/Geostrategies Client Project ID 'Former Unovcal SS#0187 <br /> 6747 Sierra Court, Ste J Matrix Liquid <br /> Dublin, CA 94568 <br /> `Attention Deanna Harding Work Order# 9811635 01-10 Reported Nov 30, 1998 <br /> OUALITY CONTROL DATA REPORT <br /> Analyte: Gasoline <br /> QC Batch# 8110247 <br /> Analy Method EPA 8015M <br /> Prep Method <br /> Analyst: N A. <br /> MS/MSD # BLK111698 <br /> Sample Conc. 112 <br /> Prepared Date 11/16/98 <br /> Analyzed Date 11/16/98 <br /> Instrument I.D #: N k <br /> Conc Spliced 1000 pg/L <br /> Result 1140 <br /> f .MS% Recovery 103 <br /> Dup Result. 1110 <br /> MSD % Recov.. 998 <br /> RPD 316 <br /> RPD Limit. 0-50 <br /> LCS # LCS111698 <br /> Prepared Date. 11/16/98 <br /> Analyzed Date: 11/16/98 <br /> Instrument i.D # N A. <br /> Conic Spiked 10001ig/L <br /> LCS Result, 1080 <br /> LCS % Recov.: 108 <br /> 53-146 <br /> LCS M127 <br /> Control Limits <br /> Please Nota <br /> The LCS Is a control sample of known,Interferent-free matrix that is analyzed using the same reagents, <br /> QUOIA ANALYTICAL preparation,and analytical methods employed for the samples The matrix spike Is an aliquot of sample <br /> LAP#2245 fortified with known quantities of specific compounds and subjected to the entire analytical procedure ff <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 /> od Granicher <br /> Project Manager ""'MSa Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference w 1635 GET -0> <br /> .�z <br />