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• Sequoia680 Chesapeake Drive Redwood City,C4 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 N Wiget lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Sinker Avenue Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Blaine Tech Services, Inc Client Project ID Chevron 9-2833%960822-G1 <br /> 985 Timothy Drive Matrix Liquid <br /> San Jose, CA 95133 <br /> Attention Jim Keller Work Order# 9608E47-01 Reported Sep 11, 1996 <br /> 6I ryry.+».N Cv`.�tiZ 1. vA:. ♦+ "Yrwi+ 4.kr.s. ♦ v vrr n`+miv n,.v�'rhY.a_`y,rv.w x L+N r x { v ' r tiY +.v4n . ` t . SJ Jx J'I+:%}ry }.v + }l r . . '-?�• r`� ^ , <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Phenol 2-Chlorophenol 1,4-Dichloro N-Nitroso-Di- <br /> benzene N-propylamine <br /> QC. Batch#: MS0826%a270EXA MS082896WOEXA MS0826%8270EXA MS0826968270EXA <br /> Analy. Method: EPA 8270 EPA 8270 EPA 8270 EPA 8270 <br /> Prep. Method EPA 3510 EPA 3510 EPA 3510 EPA 3510 <br /> Analyst. B Pitamah B Pitamah B Pitamah B Pltamah <br /> MS/MSD #: 9608E7904 960BE7904 9608E7904 9608E7904 <br /> Sample Conc - N D N D N D N D <br /> Prepared Date 8/26/96 8/26/96 8/26/96 8/26/96 <br /> Analyzed Date, 8/27/96 8/27/96 8/27/96 8/27/96 <br /> Instrument 1 D #. F4 F4 F4 F4 <br /> Conc. Spiked: 200 Ng/L 2W vg/L 200 Erg/L 200yg/L <br /> Result, 80 170 160 180 <br /> MS % Recovery 40 85 80 so <br /> Dup Result: 92 190 160 190 <br /> MSD % Recov.• 46 95 80 95 <br /> RPD 14 11 00 54 <br /> RPD Limit* 0-30 0-30 0-30 0-30 <br /> LCS #: BLK082696 BLK082696 BLK082696 BLK082696 <br /> Prepared Date. 8/26/96 8/26/96 8/26/96 8/26/96 <br /> Analyzed Date 8/26/96 8/26/96 8/26/96 8/26/96 <br /> Instrument I D # H5 H5 H5 H5 <br /> Cone. Spiked: 200 ug/L 2Wpg/L 200 Ng/L 2WNg/L <br /> LCS Result- 50 150 130 180 <br /> LCS % Recov.- 25 75 65 so <br /> DL-132 42-112 42-100 53-107 <br /> LCS 50114 59-117 54-93 55-114 <br /> Control Limits <br /> Please Note <br /> The LCS is a control sample of known,interferent-free relatrix that Is analyzed using the sante reagents, <br /> OIA 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 Sall within specified control{emits due to matrix <br /> interference,the LCS recovery is to be used to validate the batch <br /> gy Penner **MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference <br /> Project Manager Page 1 of 3 9608E47 BLA <2> <br />