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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 1900 Bates Avenue Suite L Concord CA 94520 (510) 686 9600 FAX(510)686 9689 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX (916)921 0100 <br /> RESNA <br /> talent Project ID l rY150077 01,}Holt Bros <br /> 1710 Main Street Matron Liquid <br /> Escalon, CA 95320 <br /> Attention John Lane OC Sample Group 9412670 -01-3 Reported Jan 5, 1995 <br /> � n + ^ ♦ +�.`�2 +.,,.riry++ n 4+ � + + + �.ry+„v,..n vii +o�.vi G v + nyv`r r5 n +"G+'+ . ++ +v w + v ry w V+i r ^'�lK7.h}+V4.`+ i ri'+nWi v n' .'{ xaLC A" <br /> (QUALITY CONTROL DATA REPORT <br /> ANALYTE Benzene Toluene Ethyl Xylenes Diesej <br /> Benzene <br /> Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 EPA 8015 <br /> Analyst. N Zahedi N Zahedi N Zahedl N Zahedi N Zahedi <br /> MS/MSD <br /> Batch#: 4120154 4120154 4120154 4120154 BLK120994 <br /> Date Prepared. 12/16/94 12/16/94 12/16/94 12/16/94 12/9/94 <br /> Date Analyzed: 12/16/94 12/16/94 12/16/94 12/16/94 12/9/94 <br /> Instrument I.D.#: GCHPI GCHP1 GCHPI GCHPI GCHP2 <br /> Conc. Spiked. 10 jxg/L to pg/L 10 pg/L 30 Ng/L 250 pg/L <br />• Matrix Spike <br /> %Recovery 81 82 81 84 62 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery: 84 85 83 87 72 <br /> Relative% <br /> Difference: 36 3 6 24 35 15 <br /> ~ v S� :? '`G� h'Zri SG A Yv Y'TCG{•v,Sf�rr J"GT'r r <br /> rvS nr G}x +}}n ♦} •nv v+` t. 'fi.{ ++ G JC A v GM1,v G}. ry}c}+'Y+ n vSi Ce+>x S tr.}+}}Y}TN{+ .{yq 4Gr..r.4 <br /> ` r + L+t +.rn+4.w�4}`rrA i4rw r� s i`�i+GhSSSwrvn.J.xm x. i+vr+wrvry tG Ct MGn .+ +-r Gr v+}x r++iLw vmiYr�r�4n+ x3[il cuow S+,ev.'..v+r-.+.A+Ntv+n+r"nz-mwr,+il]Wat <br /> LCS Batch#. LCS121694 LCS121694 LCS121694 LCS121694 LCS120994 <br /> Date Prepared' 12/16/94 12/16/94 12/16/94 12/16/94 12/9/94 <br /> Date Analyzed: 12/16/94 12/16/94 12/16/94 12/16/94 12/9/34 <br /> Instrument I D.#: GCHPI GCHP1 GCHP1 GCHP1 GCHP2 <br /> LCS% <br /> Recovery: 87 87 87 91 72 <br /> ecovery <br /> Control Limits: 71-133 72-128 72-130 71-120 50-150 <br /> Please Note <br />*SEQUOIA ANALYTICAL The LCS is a control sample of known,interferent free matrix that is analyzed using the same reagents, <br /> Elap#2000 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 K <br /> owucof— 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 /> Vickie Tague Clark <br /> Project Mana9er 9412670 WAT <1> <br />