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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 /> 4D— <br /> Analytical 819 Stnker Avenue Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> $Blaine Tech Services, Inc Client Project ID Chevron 9-8264/960524-J2 }� <br /> 985 Timothy Drive Matrix Liquid <br /> `,San Jose, CA 95133 <br /> `Attention Jinn Keller Work Order# 9605163-04 r _r Yx A A Y a A Reported Jun 10, 1996: <br /> ^}4.vv S.uxry k�ryA 'r C q .r v Sr ur}ry N }r4rvry,J'O♦r4 vn v I` tl.vi V}+'YO~ v.r. r n•♦ .. vnvr u <br /> a" ,ice nx ryry$.v <br /> M wFu2 v v}rn"r ii +x+ w }+n♦4S f,.v v.n wt i xw}xMr.v.nrvsvv[ r.r.vv.v 4{vin v r v -v.L rs+rxtx }i+S r x. S`>'2 n v nv{,n 4+}} ra.n f r <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> QC Batch#: G0053196BTBMA GC053196BTEX20A GC053196BTEX20A GCO53196BTEX20A <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 woo J Woo J Woo J woo <br /> MS/MSD#: 9605E9403 9605E9403 96ME9403 9605E9403 <br /> Sample Conc.- N D N D N D N D <br /> Prepared Date 5/31/96 5/31/96 5/31/96 5/31/96 <br /> Analyzed Date, 5/31/96 5/31/96 5/31/96 5/31/96 <br /> Instrument I D #. GCHP20 GCHP20 GCHP20 GCHP20 <br /> Conc. Spiked: 10 pg/L 10 Ng/L 10 frg/L 30-u9/L <br /> Result. 88 89 85 25 <br /> MS %Recovery 88 89 85 83 <br /> Dup Result 86 88 85 25 <br /> MSD %Recov. 86 88 85 83 <br /> RPD: 23 11 00 00 <br /> RPD Limit: 0.25 0-25 0-25 0-25 <br /> }n ♦S i+4vw`ix v r .....n v }+rix rya n r ., vJ u � v++•}{ v { r.4 r. r{r ri ,ri.rv. w nn• .'}v . ` rr rv,.. i ~ r nryn ,. }`,. <br /> k.v.Ya.;a�., rvr rir ry ,n.. ` rriofi nr ,. r 3:+'«..tYv,.c `¢r,:0-.r:`-•,, n`ic,n-{,'r;,,vc oy ,..rr ^.. `.Y`"+> 4r r r „r'r . n .:{;. >>rh , n ,. <br /> LCS#: BLK053196 BLK053196 BLK053196 BLK053196 <br /> Prepared Date 5/31/96 5/31/96 5/31/96 5/31/96 <br /> Analyzed Date. 5/31/96 5/31/96 5/31/96 5/31/96 <br /> Instrument I.D.#: GCHP20 GCHP20 GCHP20 GCHP20 <br /> Conc. Spiked: 10ug/L 10ug/L 10pg/L 30ug/L <br /> LCS Result. 91 95 89 26 <br /> LCS% Recov : 91 95 89 87 <br /> 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,interferent-free matrix that is analyzed using the same reagents, <br /> t'111111 <br /> 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 If <br /> the recovery of analytes from the matrix spike does not fail within specified control limits due to matrix <br /> Interference,the LCS recovery Is to be used to validate the batch <br /> nager ""MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 9605163 BLA <4> <br /> Cd' <br />