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r • j Sequoia 680 Chesapeake Dnve 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 /> Analytical 811 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)911-0100 <br /> ,^O v.ru.r. 'r�'A",+^w.:r x+tiv94,` ` +,.` `"n tihnv,�nv n,vfi^ .ti/+r+rrwrtr^r+w v+.}x rr. v+}3'v vrry{,. v • ry r ..,...w rhM.+nhw nwti.ri, wr � <br /> .Blaine Tech Services, Inc Client Project ID rn Chevron 948632 /960820-J2 <br /> v 985 Timothy Drive Matrix Liquid ` <br /> San Jose, CA 95133 <br /> Attention Jim Keller Work Order# 960SC67-01 Reported Sep fi,1996 <br /> 41r, <br /> QUALITY CONTROL DATA REPORT <br /> Analyte' 1,2,4-Trichloro 4-Chloro-3 Acenaphthene 4-Nitrophencl <br /> benzene Methylphenol <br /> OC Batch# MS0821968270EXA MSW21g68270EXA MS08219W270EXA 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# 96o8B7303 9608137303 960887303 960887303 <br /> Sample Cone . N D N D N D N D <br /> Prepared Date- 8/21/96 8/21/96 8/21/96 8/21/96 <br /> Analyzed Date 8/22/96 8/22/46 8/22/96 8/22/96 <br /> Instrument I D # F4 F4 F4 F4 <br /> Cone.Spiked 200 pg/L 200 pg/L 200 pg/L 200 pg/L <br /> Result 140 140 140 63 <br />•MS %Recovery 70 70 70 32 <br /> Dup Result 150 150 140 78 <br /> MSD%ReCov- 75 75 70 39 <br /> RPD. 69 69 00 21 <br /> RPD Limit. 0-30 0-30 0-30 0-30 <br /> O4 + • v ,r r+ y + r4r + v v `+ r rx r + ^ tY + m}+ r� r+` +,}} ,t r+r ' + <br /> LCS#: BLK082196 BLK082196 BLK082196 BLK082196 <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 /> Conc.Spiked: 2Wpg/L 200 jig/L 200 pg/L 200 pg/L <br /> LCS Result: 140 150 140 66 <br /> LCS%ReCov • 70 75 70 33 <br /> 43-107 42-107 43-107 DL-118 <br /> LCS 60-95 54-100 51-96 21-114 <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 />+SEGU A 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 H <br /> e 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 /> egg nner **MS=Matrix Spike,MSD=MS Duplicate,RPO=Relative%Difference <br /> P ger Page 2 of 3 9608C67 BLA <3> <br />