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d4D_ <br /> 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 9600 FAX (510)988 9673 <br /> �lAnalytical 819 Striker Avenue Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX (916)921 0100 <br /> ,,.: <br /> _17 <br /> sy n+mxr—. . — —1 <br /> Blaine Tech Services,Inc x Client Project ID Chevron 9-8632/951201-G2 }: <br /> ,985 Timothy Drive Matrix Liquid <br /> San Jose, CA 95133 < <br /> 'San <br /> Jim Keller Work Order# 9512138-01 Reported Dec 18, 1995 <br /> .yvv3x{ry w V iYr vs.v v e t vv v r v .n ry y r r i v v x m v •v x r tn } <br /> Yv♦ r + r r} vw v {>>v... wnvn . r.nr.r e . . . v r r + v'. xrvav+. . u v .r. ry R rr v +.rh r <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: 1,1-Dichloro- TncNoro- Chloro- <br /> ethane ethene benzene <br /> GC Batch#: GC120495801024A GC120495801024A GC120495801024A <br /> Analy. Method. EPA 8010 EPA 8010 EPA 8010 <br /> Prep Method: EPA 5030 EPA 5030 EPA 5030 <br /> Analyst A.U A Ll A U <br /> MS/MSD#: 95iiJ9803 95114803 9511J9803 <br /> Sample Conc.: N D N D N D <br /> Prepared Date. 12/4/95 12/4/95 12/4/95 <br /> Analyzed Date: 12/4/95 12/4/95 12/4/95 <br /> Instrument I D # GCHP24 GCHP24 GCHP24 <br /> Cone. Spiked- 25pg/L 25Ng/L 25pg/L <br /> Result- 23 17 21 <br /> • MS% Recovery 92 68 84 <br /> Dup. Result: 23 17 22 <br /> MSD %Recov • 92 68 as <br /> RPD: 00 00 47 <br /> RPD Limrt. 0-50 0-50 0-50 <br /> LCS #: BLK120595 BLK120595 BLK120595 <br /> Prepared Date- 12/5/95 12/5/95 12/5/95 <br /> Analyzed Date. 12/5/95 12/5/95 12/5/95 <br /> Instrument l.D#: GCHP24 GCHP24 GCHP24 <br /> Cone. Spiked. 25 Ng/L 25ug/L 25 ug/L <br /> LCS Result: 23 17 21 <br /> LCS%Recov - 92 68 64 <br /> LCS 28-167 35-146 38-150 <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 />. SnONAL 1CAL 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 fall within specified control limits due to matrix <br /> interference,the LCS recovery is to be used to validate the batch <br /> P **MS=Matrix Spike,MSD=MS Duplicate,RPI?=Relative%Difference <br /> Project Manager 9512138 BLA <5> <br />