Laserfiche WebLink
(D— <br /> 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 /> qIAnalytical 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 -01, 03-05, 07-08 Reported Nov 13, 1995 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> QC Batch# GC110295BTEX03A GC110295BTEX03A GC110295BTEX03A GC110295BTEX03A <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# 95llGll ll 9511G1111 9511G1111 951IG1111 <br /> Sample Cone N D N D N D N D <br /> Prepared Date 11/2/95 11/2/95 11/2/95 11/2/95 <br /> Analyzed Date 11/2/95 11/2/95 11/2/95 11/2/95 <br /> Instrument I D # GCHP3 GCHP3 GCHP3 GCHP3 <br /> Cone Spiked lopg/L 10pg/L long/L 30ug/L <br /> Result 11 11 11 32 <br /> • MS % Recovery 110 110 110 107 <br /> Dup Result 11 11 11 32 <br /> MSD % Recov 110 110 110 107 <br /> RPD 00 00 00 00 <br /> RPD Limit. 0-90 0-50 0.50 0.50 <br /> LCS# BLK102795 BLK102795 BLK102795 BLK102795 <br /> Prepared Date 11/2/95 11/2/95 11/2/95 11/2/95 <br /> Analyzed Date* 11/2/95 11/2/95 11/2/95 11/2/95 <br /> Instrument I D # GCHP3 GCHP3 GCHP3 GCHP3 <br /> Cone Spiked lOYg/L 10,ug/L 10lig/L 30pg/L <br /> LCS Result 11 11 11 33 <br /> LCS % Recov 110 110 110 110 <br /> MS/MSD <br /> LCS 71133 72-128 72130 71-120 <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 /> SEQUOIA ANALYTICAL 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 entue 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 Pen er <br /> Project Manager *'MS=Matrix Spike,MSD=MS Duplicate RPD=Relative%Difference 9511065 B[A <1> <br />