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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (650) 364 9600 FAX(650)364 9233 <br /> 404 N Wiget lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510)9889D3' <br /> - Analytical 819 Sinker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> ' � <br /> L % <br /> t ~ + + v~<@u+ O;�i "��+� ~ r x m.x x.v+iw+.+u+S3 v]♦YV Sr.vvh'rn ro'R r r niL++n }v r]+ <br /> ~Blaine Tec�irServices, Inc" Client Project ID Shell`Stackton f97�822-.�1 <br /> 1680 Rogers Ave Matrix Liquid <br /> it San Jose, CA 95112 <br />' 4 Attention Fran TI1ie Work Order# 9708D32-05 Reported Sep 5, 1997z. <br /> y; <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Benzene Toluene Ethyl Xylenes Gas <br /> Benzene <br /> CSC Batch#: G0082897BTEX03A GC082897BTEX03A GC082897BTEX03A GCO82897BTIX03A GCO82897BTEK03A <br /> Analy. Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 EPA 8015M <br /> Prep. Method EPA 5030 EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst: A Miraftab A Miraftab A.Miraftab A.Miraftab A.Miraftab <br /> MS/MSD #: 970807104 9708C7104 970807104 970807104 970807104 <br /> Sample Conc.: N D N D N D N D N D <br /> Prepared Date' 8/28/97 8/28/97 8/28/97 8/28/97 8/28/97 <br /> Analyzed Date* 8/28/97 8/28/97 8/28/97 8/28/97 8/28/97 <br /> Instrument I.D #. GCHP3 GCHP3 GCHP3 GCHP3 GCHP3 <br /> Conc. Spiked: 10pg/L 10pg/L 10yg/L 30pg/L 60Ng/L <br /> Result: 10 10 10 28 73 <br /> MS % Recovery: 100 100 100 93 122 <br /> Dup Result: 10 10 10 28 73 <br /> MSD % Recov.: 100 100 100 93 122 <br /> RPD: 00 00 00 00 00 <br /> RPD Limit: 0-25 0-25 0-25 0-25 0-25 - <br /> LCS#: BLK082897 BLK082897 BLK082897 BLK082897 BLK082897 <br /> Prepared Date: 8/28/97 8/28/97 8/28/97 8/28/97 8/28/97 <br /> Analyzed Date: 8/28/97 8/28/97 8/28/97 8/28/97 8/28/97 <br /> Instrument I.D.#: GCHP3 GCHP3 GCHP3 GCHP3 GCHP3 <br /> Conc. Spiked: 10 pg/L 10 pg/L 10 pg/L 30 pg/L 60 pg/L <br /> LCS Result 10 10 10 28 72 <br /> LCS % Recov ' 100 100 100 93 120 <br /> fi(M40 60-140 60-140 60-140 60.140 <br /> LCS 70.130 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 /> Ct <br /> I A ALYTICAL preparation,and analytical methods employed for the samples The matrix spike is an aliquot of sampl <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 /> egg n <br /> Manager **MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 9708D32 BLA <2a <br />