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Sequoia 680 Chesapeake Dnve 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 /> aloolAnalytical 819 Stnker Avenue Suitt 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 oioo <br /> ,nG di2c. ,Tech Services,v � "V" <br /> Blaine 'Inc Client Project ID Chevron 9-1918 /960730-1-12 <br /> f{S85 Timothy Drive Matrix Liquidh <br /> �°San Jose, CA 95133 <br /> ;tAttention Jim Keller Work Order# 9608106-03, 10 Reported Aug 15, 1 � <br /> `?;y <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> OC Batch#: GCO813WBTOMA GC081396BTEX20A GC081396BTEX20A GC081396BTEX20A <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 Jirsa D Jirsa D Jirsa <br /> MS/MSD#• 960816714 960816714 960816714 960816714 <br /> Sample Conc. N D N D N D N D <br /> Prepared Date 8/13/96 8/13/96 8/13/96 8/13/96 <br /> Analyzed Date: 8/13/96 8/13/96 8/13/96 8/13/96 <br /> Instrument LD #: GCHP20 GCHP20 GCHP20 GCHP20 <br /> Conc Spiked- 10pg/L 10pg/L 10pg/L 30yg/L <br /> Result. 84 83 82 24 <br /> MS % Recovery- 84 83 82 80 <br /> Dup Result 82 80 81 24 <br /> MSD%Recov. 82 so 81 80 <br /> RPD: 24 37 12 00 <br /> RPD Limit 0-25 0-25 0-25 0-25 <br /> 4^v{�]sn,v ~ n, . 1 '{n n.1} 4V '{ . .. ' r , ry y •„n •{y v��fi♦Y. 4��t'y~,�y nJ <br /> 4, <br /> LCS#: BLK081396 BLK081396 BLK081396 BLK0813% <br /> Prepared Date' 8/13/96 8/13/96 8/13/96 8/13/96 <br /> Analyzed Date, 8/13/96 8/13/96 8/13/96 8/13/96 <br /> Instrument I D#: GCHP20 GCHP20 GCHP20 GCHP20 <br /> Conc Spiked- 10pg/L 10Ng/L 10pg/L 30pg/L <br /> LCS Result 86 86 86 26 <br /> LCS%Recov.: 86 86 86 87 <br /> 1 <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 /> ANAL CAL preparation,and analytical methods employed for the samples The matrix spike is an aliquot of samplefortified with known quantities of specific compounds and subjected to the entire analytical procedure 0 <br /> the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> 11WEQqUOIA <br /> L interference,the LCS recovery is to be used to validate the batch <br /> Peggy Penner <br />} Project Mana er **MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 9608106 HLA 42n <br />