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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 N Wiges Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510) 988 9673 <br /> �� Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916) 921 0100 <br /> Smith Environmental Client Project 1D 18660, 94-331 01-08 <br /> 1260 Graphics Drive Matrix Liquid <br /> Modesto, CA 95351-1502 <br /> Attention Jeanne Homsey Work Order # 9607J14 -01-06 Reported Aug 12, 1996 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte. 1,1 Dlchloro- Trlchloro- Chloro- Diesel <br /> ethene ethene benzene <br /> QC Batch# GCO80796801008A GC080796801008A GCO80796801008A GC0805960HBPEXA <br /> Anely Method. EPA 8010 EPAS010 EPA 8010 EPA 8015M <br /> Prep Method EPA 5030 EPA 5030 EPA 5030 EPA 3510 <br /> Analyst A Ll A.L2 A Li J Minkel <br /> MS/MSD # 9607,11303 9607J 1303 9607)t 303 9607)1802 <br /> Sample Conc NO N D NO NO <br /> Prepared Date 8/6/96 8/6/96 8/6/96 8/5/96 <br /> Analyzed Date 8/7/96 8/7/96 8/7/96 8/6/96 <br /> Instrument I D #. GCHP8 GCHP8 GCHP8 GCHP5 <br /> Conc Spiked 25,ug/L 25ug/L 25Ng/L 1000yg/L <br /> Result 24 25 27 1000 <br /> MS % Recovery 96 100 108 100 <br /> Dup Result. 24 25 25 950 <br /> MSD % Recov 96 100 100 95 <br /> RPD: 00 00 77 51 <br /> RPD Limit- 0-25 0-25 0-25 0-50 <br /> LCS # BLK080796 BLK080796 BLK080796 BLK080596 <br /> Prepared Date. 8/7/96 8/7/96 8/7/96 8/5/96 <br /> Analyzed Date 8/7/96 8/7/96 8/7/96 8/6/96 <br /> Instrument LD # GCHP8 GCHP8 GCHP8 GCHP5 <br /> Conc Spiked. 25,vg/L 25 pg/L 25 frg/L 1000Ng/L <br /> LCS Result 23 25 23 1100 <br /> LCS % Recov. 92 100 92 110 <br /> MS/MSD 60-140 60-140 60-140 50-150 <br /> LCS 65-135 70-130 70-130 60-140 <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 NAL7L 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 R <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 /> Vyta A MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference <br /> Prol CC manager 9607,114 SSS <1> <br /> `bcy <br />