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Sequoia680 Chesapeake Drive Redwood City,CA 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 /> �11i7 Analytical 819 Sinker Avenue Suite 8 Sacramento,CA 95834 (916) 92t 9600 FAX(916)921 0100 <br /> ,,Blaine Tech Services, Inc �rAA A?ClientProlect ID Chevron 9-8632 /960820-J2 <br /> 985 Timothy Drive Matrix Liquid <br /> ' San Jose, CA 95133 n <br /> 'Attention Jim Keller Work Order# 9608C67-01 Reported Sep 6, 1996 z <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Phenol 2-Chlorophenol 1,4-Dichloro N-Nitroso-Di- <br /> benzene N-propylamine <br /> QC Batch# MS0B2196827oEXA MS0821968270EXA MS0821968270EXA MS0821968270EXA <br /> Analy Method: EPA 8270 EPA 8270 EPA 8270 EPA 8270 <br /> Prep_ Method. EPA 3510 EPA 3510 EPA 3510 EPA 3510 <br /> Analyst E Manuel E Manuel E Manuel E Manuel <br /> MS/MSD# 96MB7303 9608137303 96OBB73M 96MB7303 <br /> Sample Cone - N D ND ND N D <br /> Prepared Date 8/21/96 8/21/96 8/21/96 8/21/96 <br /> Analyzed Date 8/22/96 8/22/96 8/22/96 8/22/96 <br /> Instrument I D# F4 F4 F4 F4 <br /> Cone. Spiked. 200 pg/L 200)rg/L ZOO pg/L 200 pg/L <br /> Result, 76 150 120 160 <br /> MS % Recovery 38 75 60 8o <br /> Dup Result 86 150 130 170 <br /> MSD % Recov 43 75 65 85 <br /> RPD. 12 00 80 61 <br /> RPD Lima 0-30 0-30 0-30 0-30 <br /> , v� v}M1I v xvv.Ln vv♦xri. { k {4+ w v r r r„Z, <br /> LCS#. BLK082196 BLK092196 BLK082196 BLK082196 <br /> Prepared Date, 8/21/96 8/21/96 8/21/96 8/21/96 <br /> Analyzed Date. 6/22/96 8/22/96 8/22/96 8/22/96 <br /> Instrument I D # F4 F4 F4 F4 <br /> Cone Spiked, 200ug/L 200 pg/L 200j.rg/L 200 pg/L <br /> LCS Result s0 150 120 160 <br /> LCS % Recov 40 75 60 8o <br /> DL-132 42-112 42-100 53-107 <br /> LCS 47-107 59-97 54-93 55-114 <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 /> 0 01 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 H <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 /> Pe enn **MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference <br /> sect anger Page 1 of 3 960SC67 BLA <2' <br />