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Sequoia 680 Chesapeake Drive Redwood Cary CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 N Wiget Lane Walnut Creck CA 94598 (510) 998 9600 FAX(5 10)988 9673 <br /> Analytical 819 Sinker Avenue,Suite a Sacramento C4 95834 (916) 921 9600 FAX (916)921 0100 <br /> �„h�� LvY',sfnc°': "o,-aaFary wy aYM' .[n. �xm 1 r^' , .. ,..,x}��.��,y,.yp..n ..,,r ., r rha<, yr;w n, v pus rs✓..�A�w}v.�r <br /> [J v r4 vx Y.vn <br /> %Blaine Tech Services, Inc Client Project ID Chevronry9-v1918%960734-H2 m fM <br /> X985 Timothy Drive Matrix Liquid " <br /> -San Jose, CA 95133 <br /> ,Attention Jim Keller Work Order# 9608106 -01-02, 04-09, 11-15 �, 1_ Reported Aug 1 ;t£ <br /> rF'_1r'0.rv"�Sr}-e <br /> �q by +.n n [ }ry [ ti ..,r r nr hvw rrm"rrY n�i vrr rrr;`Y� � r�i.1vJ�v <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> QC Batch#: GCOBW96BTEX07A GCp80896STEX07A GCO80896BTEC07A GC080896BTEX07A <br /> Analy. Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep Method: EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst: J Heider J Helder J Helder J Heider <br /> MS/MSD#- 9607H0503 9607HO503 9W7H0503 96071-10503 <br /> Sample Cone • N D N D N D N D <br /> Prepared Date. 8/8/96 8/8/96 8/8/96 8/8/96 <br /> Analyzed Date: 8/8/96 8/8/96 8/8/96 8/8/96 <br /> Instrument I.D.#: GCHP7 GCHP7 GCHP7 GCHP7 <br /> Cone. Spiked: 10pg/L 10erg/L 10pg/L 30pg/L <br /> Result- 91 91 92 28 <br /> • MS %Recovery 91 91 92 93 <br /> Dup. Result: 90 90 91 27 <br /> MSD %Recov: 90 90 91 90 <br /> RPD 11 11 11 36 <br /> RPD Limit 0-25 0-25 0-25 0-25 <br /> i%�vix '1 v Yrth v unv'[' ;f-v YS[t x v vy n'44 ` r [}[ r A vh [ r 4 u C Y riµsw Y �u .wra r.xv 4?±403 r r,[r 414YY♦ <br /> 'vn fih{v Y vvvrr nl r~4r x 4 vS tWn vi 4 4'44 vhi Y[vh� { nr 4 4 v Y4 xv x 4 v.w tr n ` 4 4 ...rr}r{v 21- <br /> LCS <br /> 4} }xr r yr 14Y Yn4{ry}iv"� Y } <br /> C[ 4 th riF vi VO vh v k[u r[{v44 hC vh£v kLCw. <br /> v� <br /> LCS#: BLK080896 BLK080896 BLK080M BLK080896 <br /> Prepared Date: e/s/g6 8/8/96 8/8/96 8/8/96 <br /> Analyzed Date: 8/8/96 8/8/96 8/8/96 - _ 8/8/96 <br /> instrument LD #' GCHP7 GCHP7 GCHP7 GCHP7 <br /> Cone. Spiked 10,ug/L 10jig/L 1opg/L 30pg/L <br /> LCS Result 86 86 87 266 <br /> LCS % Recov: as 86 87 87 <br /> MS/MSD 60-140 60-140 60-140 60-140 <br /> LCS 70-130 70-130 70-130 70-130 <br /> Control Limits <br /> Please Note <br /> The LCS is a control sample of known,interferent4ree matrix that is analyzed using the same reagents, <br /> EQUOIA L preparation,and analytical methods employed for the samples The matnx spike is an aliquot of sample <br /> fortified with known quantities of specific compounds and subjected to the entire analytical prooedure N <br /> the recovery of analytes from the matrix spike does not fail within specified control limits due to matnx <br /> L interference,the LCS recovery is to be used to validate the batch <br /> **�eg <br /> yy Pen r <br /> jct Ma ager ='MS=Matrix Spike,MSD=MS Duplicate RPD-Relative%Difference 9608106 BLA <1> <br />