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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 96W FAX(510)988 9673 <br /> �11� Analytical 819 Striker Avenue,Suite 8 Sacramento, CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Blaine Tech Services, Inc v Ckierit I'rolec&16 _CF 6vr6n 9-8632 f 970107-Z1 r <br /> }1680 Rogers Avenue Matrix Liquid <br /> San Jose, CA 95112 A <br /> Reported Jan 23, 1997 <br /> Attention Fran Thle Work Order# 9701571-01 <br /> 4 r w44 r~ i� rry r x rvr ~ n . r 4 rvn v r ry r r r ry v r v r ry r r ' + • < r.r r r + 4 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte 1,1-Dlchloro- Trichloro- Chloro- <br /> ethane ethane Benzene <br /> QC Batch#. GCO11597801009A GCO11597801009A GCO11597801009A <br /> Analy. Method- EPA 8010 EPA 8010 EPA 8010 <br /> Prep Method EPA 5030 EPA 5030 EPA 5030 <br /> Analyst. E Cunanan E Cunanan E Cunanan <br /> M S/MSD #. 970159502 970159502 970159502 <br /> Sample Conc : 45 N D N D <br /> Prepared Date- 1/14/97 1/14/97 1/14/97 <br /> Analyzed Date 1/15/97 1/15/97 1/15/97 <br /> Instrument I D # GCHP9 GCHP9 GCHP9 <br /> Conc. Spiked 25pg/L 25Ng/L 25pg/L <br /> Result 33 31 30 <br /> MS % Recovery 114 124 120 <br /> Dup Result 32 30 33 <br /> MSD % Recov - 110 120 132 <br /> RPD- 31 33 95 <br /> RPD Limit 0-25 0-25 0-25 <br /> 4 <br /> LCS # BLK011597 BLK011597 BLK011597 <br /> Prepared Date 1/15/97 1/15/97 1/15/97 <br /> Analyzed Date 1/15/97 1/15/97 1/15/97 <br /> Instrument I-D # GCHP9 GCHP9 GCHP9 <br /> Conc Spiked 25}rg/L 25pg/L 25ug/L <br /> LCS Result: 25 27 27 <br /> LCS % Recov- 100 108 108 <br /> 60-140 60-140 60-140 <br /> LCS 65-135 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 /> INALYTICAL 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 11 <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 /> ner **MS=Matrix Spike, MSD=MS Duplicate,RPD=Relative%Difference <br /> anager 6701571 BLA <3> <br />