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Sequoia 680 Chesapeake Dnvc Redwood City CA 94063 (650) 364 9600 FAX(650)364 9233 <br /> 404 N Wiget lane Walnut Creek,CA 94596 (510) 988-9600 FAX(510)988 9673 <br /> Analytical 619 Sinker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> YS i.ry fy o +v m 1 • . svC•}in+{�vpSr, +'`i tv ry `. Y.' 'Y , r, }?C"r ft '�� rNrY•O by ltiy U� $ <br /> Blame Tech Sere€ces, Inc Client Project ID+ A6heriron 9-8264/970827-T1 } <br /> 1680 Rogers Ave Matrix Liquid <br /> Y}San Jose, CA 95112 <br /> Attention Fran Thie Work Order# 9708E76-04 Reported Sep 9, 1997}` <br /> OUALITY CONTROL DATA REPORT <br /> Analyte. 1,1-Dichloroethene Trichloroethene Benzene Toluene Chloro- <br /> benzene <br /> OC Batch# MS0903978260F3A MS0903978260173A MS0903978260F3A MS0903978260F3A MS0903978260F3A <br /> Analy Method EPA 8260 EPA 8260 EPA 8260 EPA 8260 EPA 8260 <br /> Analyst L Zhu L.Zhu L Zhu L Zhu L Zhu <br /> MS/MSD#. 970SE76-04 970BE76-04 9708E76-04 9708E76-04 9708E76-04 <br /> Sample Conc N D N D N D N D N D <br /> Prepared Date 9/3/97 9/3/97 9/3/97 9/3/97 9/3/97 <br /> Analyzed Date 9/3/97 9/3/97 9/3/97 9/3/97 9/3/97 <br /> Instrument I D # F3 F3 F3 F3 F3 <br /> Conc Spiked 50Ng/L 50pg/L 50Ng/L 50ug/L 50pg/L <br /> Result 54 44 46 45 45 <br /> MS % Recovery 108 88 92 90 so <br /> Dup Result 48 44 46 45 45 <br /> MSD % Recov 96 88 92 90 90 <br /> RPD 12 00 00 00 00 <br /> RAD Limit 0-25 0-25 0-25 0-25 0-25 <br /> LCS # VDBO903S VDBO903S VDBO903S VDBO903S VDBO903S <br /> Prepared Date 9/3/97 9/3/97 9/3/97 9/3/97 9/3/97 <br /> Analyzed Date 9/3/97 9/3/97 9/3/97 9/3/97 9/3/97 <br /> Instrument I D # F3 F3 F3 F3 F3 <br /> Conc Spiked 50Ng/L 50ug/L 50pg/L 50.ug/L 50Ng/L <br /> LCS Result 49 47 49 49 49 <br /> LCS % Recov - 98 94 98 98 98 <br /> 60.140 60-140 60.140 60-140 60-140 <br /> LCS 65.135 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 /> E A NALYTICAL 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 /> egg **MS=Matrix Spike, MSD=MS Duplicate, RPD=Relative%Difference <br /> Ct Manager 9708E76 BLA <T> <br />