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Sequoia 680 Chesapeake Dnve Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404N Wiget Lane Walnut Creek C4 94598 (510) 988 96W FAX(510)988 9673 <br /> Analytical 819 Sinker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Blaine Tech S}e'rvices, Inc' l�t rn r dient Prosect ID Ctie>.vron 9-8632 f r970107-Zir r' <br /> Liquid <br /> ,1680 Rogers Avenue Matrix <' <br /> 1 <br /> "San Jose, CA 95112 Reported Jan 16, 1997 <br /> Attention Fran Thie Work Order# 9701244-01-03,05 n p n Y, 4 <br /> nwn~{+ t k~ti vn r v v rr +x4l n r vvr + <br /> QUALITY CONTROL DATA REPORT <br /> Analyte. Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> QC Batch# GCO10997STEX21A GC010997BTEK21A GC010997BTEX2IA GCO10997BTEX21A <br /> Analy Method: EPA 8020 EPA 8020 EPA 8020 EPA 6020 <br /> Prep. Method EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst. D Jirsa D Jirsa D Jima D Jirsa <br /> M S/MSD# 970125601 970125601 970125601 970125601 <br /> Sample Cone : N D N D N D N D <br /> Prepared Date. 1/9/97 1/9/97 1/9/97 1/9/97 <br /> Analyzed Date. 1/9/97 1/9/97 1/9/97 1/9/97 <br /> Instrument I D #: GCHP21 GCHP21 GCHP21 GCHP21 <br /> Cone. Spiked 10 pg/L 10 pg/L 10 pg/L 30 p9/L <br /> Result 12 11 11 33 <br /> MS % Recovery. 120 110 110 110 <br /> Dup Result 11 10 10 32 <br /> MSD %Recov .. 110 100 100 107 <br /> RPD: 87 95 95 31 <br /> RPD Limit- 0-25 0-25 0-25 0-25 <br /> LCS # BLK010997 BLK010997 BLK010997 BLK010997 <br /> Prepared Date 1/9/97 1/9/97 1/9/97 1/9/97 <br /> Analyzed Date. 1/9/97 1/9/97 1/9/97 1/9/97 <br /> Instrument I D #: GCHP21 GCHP21 GCHP21 GCHP21 <br /> Cone Spiked 10pg/L 10pg/L 10pg/L 30pg/L <br /> LCS Result- 10 99 99 30 <br /> LCS %Recov 100 99 99 100 <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 /> SE U N LYTICAL 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 /> Pe y ner <br /> Pros Manager **MS=Matrix Spike, MSD=MS Duplicate, RFD=Relative%Difference 9701244 BLA <3> <br />