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p s� <br /> Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364 9600 FAX(550)364 9233 <br /> 404 N Wiget Lane Walnut Creel. CA 94598 (510) 988 9600 FAX (5t0) 988 9673 <br /> Illy Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916) 921 0100 <br /> Pacific Environmental Group Client Project ID 911-007 1A/5417, Manteca <br /> 2025 Gateway Place, Suite 440 Matrix SOLID <br /> San Jose, CA 95110 <br /> Attention Joe Muzzlo Work Order# 9801861 01-07 Reported Jan 30, 1998 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte 1,1-Dichloroethene Trichloroethene Benzene Toluene Chloro- <br /> benzene <br /> OC Batch# MS0120988260F3A MS0120988250FM MS0120988260F3A MS0120988260F3A MS0120988260F3A <br /> Analy Method EPA 8260 EPA 8260 EPA 8260 EPA 8260 EPA 8260 <br /> Prep Method <br /> Analyst L Zhu L Zhu L Zhu L Zhu L Zhu <br /> MS/MSD# 9801 DB504 9801 D8604 9801 D8604 9801 DB604 9801D8604 <br /> Sample Cone N D N D N D 640 N D <br /> Prepared Date 1/20/98 1/20/98 1/20/98 1/20/98 1/20/98 <br /> Analyzed Date 1/20/98 1/20/98 1/20/98 1/20/98 1/20/98 <br /> Instrument I D # F3 F3 F3 F3 F3 <br /> Cone Spiked 2500ug/Kg 2500ug/Kg 2500ug/Kg 2500ug/Kg 2500 ug/Kg <br /> Result 2200 2200 2100 3200 2100 <br /> MS % Recovery 88 88 88 102 84 <br /> Dup Result 2200 2200 2100 2600 2200 <br /> MSD % Recov 88 88 84 78 88 <br /> RPD 00 00 00 21 47 <br /> RPD Limit 0-25 0-25 0-25 0-25 0-25 <br /> LCS # LCS012098 LCS012098 LCS012098 LCS012098 LCS012098 <br /> Prepared Date 1/20/98 1/20/98 1/20/98 1/20/98 1/20/98 <br /> Analyzed Date 1/20/98 1/20/98 1/20/98 1/20/98 1/P0/98 <br /> Instrument I D # F3 F3 F3 F3 F3 <br /> Conc Spiked 2500 ug/Kg 2500pg/Kg 2500 pg/Kg 2500 pg/Kg 2500ug/Kg <br /> LCS Result 2200 24DO 2400 2400 2300 <br /> LCS % Recov 88 96 96 96 92 <br /> 60-140 60-140 6D-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 /> SEQUOIA ANALYTICAL 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 /> Tod Granicher **MS=Matrix Spike,MSD=MS Duplicate, RPD=Relative%Difference <br /> Project Manager 9601861 PPP <3> <br />