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680 Chesapeake Dnve Redwood GM CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> Sequoia 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510) 988 9573 <br /> frlll7 Analytical 819 Sinker Avenue Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916) 921 0100 <br /> i rf r r f 4 +i in r r r +rY •.iM1^v�"r ry Y+rr r i + r r � <br /> +++ '° -2033 <br /> Blaine Tech Services,�lnc Client Prosect I© Chevron 9 960822-G 1/ <br /> 985 Timothy Drive Matrix Liquid <br /> San Jose, CA 95133 <br /> Attention Jim Keller Work Order# 9608E47-01 Reported Sep 11, 1996 <br /> Yrry , + + r. <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: 2,4-Dmdro- Pentachloro- Pyrene <br /> toluene phenol <br /> QC Batch#: MS0826968270EXA MSOB269%270IXA MS0826968270EXA <br /> Analy. Method: EPA 8270 EPA 8270 EPA 8270 <br /> Prep. Method- EPA 3510 EPA 3510 EPA 3510 <br /> Analyst B Pstamah B Pitamah B Pitamah <br /> MS/MSD #: 96a8E7904 96ME79W4 96WE7904 <br /> Sample Cone N D N D N D <br /> Prepared Date 8/26/96 8/26/96 8/26/96 <br /> Analyzed Date 8/27/96 8/27/96 8/27/96 <br /> Instrument 1 D # F4 F4 F4 <br /> Cone Spiked 200 pg/L 200 ug/L 20opg/L <br /> Result 180 250 210 <br />• MS % Recovery 90 125 105 <br /> Dup Result 180 280 270 <br /> MSD %Recov 90 140 135 <br /> RPD 00 11 25 <br /> RPD Limit. 0-30 0.30 0-30 <br /> LCS #: BLK082696 BLK0826% BLK082696 <br /> Prepared Date- 8/26/96 8/26/96 8/26/96 <br /> Analyzed Date 8/26/96 8/26/96 8/26/96 <br /> Instrument I D.#- H5 F15 H5 <br /> Cone Spiked 200ug/L 2OOpg/L 2Wpg/L <br /> LCS Result: 180 200 210 <br /> LCS % Recov - 90 100 105 <br /> MS/MSD32-114 17-146 32-125 <br /> LCS 45-100 22-117 50-114 <br /> Control Limits <br /> Please Note <br /> The LCS is a control sample of known,interferent-tree matrix that is analyzed using the same reagents, <br />• SE7tManager <br /> ANA ICAL pre on,and analytical methods employed for the samples The matrix spike is an aliquot of sample <br /> rtified 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 /> Pener **MS=Matrix Spike, MSD=MS Duplicate,RPD=Relative%Difference <br /> PrPage 3 of 3 9608E47 BLA 44> <br />