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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 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> ,- ., s r •., :t'r�v , ,. ,, #kr ,rr.,r, �: ;v,; yr k „<< <br /> r`vM`-Rn�?.$ti^8"� ,, r 'o 't: .. r r.r. . •z .. r`i,r. rrrv. } <br /> 'Blaine Tech Services, Inc V �A Client Project ID Chevron 9-8264/960820-J1 <br /> 985 Timothy Drive Matrix Liquid xr <br /> .San Jose, CA 95133 <br /> "Attention Jim Keller Work Order# 9608C70-01-05 Reported Sep 4, 1996` <br /> n Y v r5 nn. .r r.+ r v v+v +. r 4 ♦ v n , nv v' +-v wr.tn w r. • v ^ v. w r J x <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> OC Batch# GC082796BTEX03A GCO82796BTEX03A GCO82796BTEX03A GCO82796BTEX03A <br /> Analy. Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep. Method. EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst D Jirsa D Jima D Jima D Jirsa <br /> MS/MSD#. 96DWID4 9608A2104 9608A21134 96OW104 <br /> Sample Conc - N D N D N D N D <br /> Prepared Date 8/27/96 8/27/96 8/27/96 6/27/96 <br /> Analyzed Date* 8/27/96 8/27/96 8/27/96 8/27/96 <br /> Instrument I D #: GCHP3 GCHP3 GCHP3 GCHP3 <br /> Conc. Spiked- 10pg/L 10pg/L 10pg/L 30Y9/L <br /> Result* 90 88 90 27 <br /> MS % Recovery 90 68 90 90 <br /> Dup Result 97 97 99 29 <br /> MSD%Recov.- 97 97 99 97 <br /> RPD. 75 97 95 71 <br /> RPD Limit. 0-25 0-25 0-25 0-25 <br /> LCS#: BLK082796 BLK082796 BLK082796 BLK082796 <br /> Prepared Date 8/27/96 6/27/96 6/27/96 8/27/96 <br /> Analyzed Date 8/27/96 6/27/96 8/27/96 8/27/96 <br /> Instrument 1 D.#* GCHP3 GCHP3 GCHP3 GCHP3 <br /> Conc. Spiked: 10 pg/L 10 pg/L 10 Ng/L 30 N9/L <br /> LCS Result 98 98 99 29 <br /> LCS%Recov 96 98 99 97 <br /> 60-140 60-140 60-140 60.140 <br /> LCS 70-130 70-130 70-130 70-130 <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 /> JegnLne <br /> CAL 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 /> nager **MS=Matrix Spike, MSD=MS Duplicate,RPD=Relative%Difference 9608070 BLA 46> <br />