Laserfiche WebLink
a , Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> i 404 14 W19ct Lane Walnut Greek CA 94598 (510) 988 9600 FAX(510) 988 9673 <br /> �� Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916) 921 0100 <br /> Blaine Tech Services, Inc Client Project ID Chevron 9-1918/951031-M2 <br /> 985 Timothy Drive Matrix Liquid <br /> San Jose, CA 95133 <br /> Attention Jim Keller Work Order # 9511065-02 Reported Nov 13, 1995 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> QC Batch# GC110395BTEX17A GC110395BTEX17A GC110395BTEX17A GC110395BTEX17A <br /> Analy Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep Method EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst J Woo J Woo J Woo J Woo <br /> MS/MSD # 951OL1008 951OL1008 951OL1008 951OL1008 <br /> Sample Conc N D N D N D N D <br /> Prepared Date 11/3/95 11/3/95 11/3/95 11/3/95 <br /> Analyzed Date 11/3/95 11/3/95 11/3/95 11/3/95 <br /> Instrument I D # GCHP17 GCHP17 GCHP17 GCHP17 <br /> Conc Spiked 10pg/L 10pg/L 10pg/L 30pg/L <br /> Result 11 11 11 32 <br /> MS % Recovery 110 110 110 107 <br /> Dup Result 11 10 10 31 <br /> MSD %Recov 110 100 100 103 <br /> RPD 00 95 95 32 <br /> RPD Limit 0-50 0.50 050 0.50 <br /> LCS # BLK102795 BLK102795 BLK102795 BLK102795 <br /> Prepared Date 11/3/95 11/3/95 11/3/95 11/3/95 <br /> Analyzed Date 11/3/95 11/3/95 11/3/95 11/3/95 <br /> Instrument I D # GCHP17 GCHP17 GCHP17 GCHP17 <br /> Conc Spiked 10 pg/L 10 pg/L 10 pg/L 30 pg/L <br /> LCS Result 98 97 97 29 <br /> LCS%Recov 98 97 97 97 <br /> MS/MSD <br /> LCS 71-133 72128 72-130 71-120 <br /> Control Limits <br /> Please Note <br /> The LCS is a control sample of known,interferent-tree matrix that is analyzed using the same reagents, <br /> SEQUOIA ANALYTICAL preparation,and analytical methods employed for the samples The matrix spike is an aliquot of sample <br /> . <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 /> Peggy Pdhner <br /> Project Manager "*MS=Matrix Spike,MSD=MS Duplicate RPD=Relative%Difference 9511065 BLA <2> <br />