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' Sequoia 68o Chesapeake Dnve Redwood City CA 940, (415) 364%00 FAX(415) 364 9233 <br /> 1900 Bates Avenue i <br /> �,� Ana�ytieai a ue su to L Concord,CA 94520 (510) 686 9600 FAX(510)686 9689 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921-9600 FAX(916)921 0100 <br /> RE�tN{ <br /> Client Project IDry ~05400606, Co{' a <br /> ca=Cola Stockton <br /> 1710 Main Street Matrix Liquid "{ <br /> ' }`Escalon, CA 95320 r <br /> Attention Jeanne Homsey Work Order# 9410B72 01 Reported Nov 7, 1994,e <br /> ~ <br /> /'� xGY. <br /> COC# <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Benzene Toluene Ethyl Xylenes <br /> ' Benzene <br /> OC Batch#: GC101994BTEX03A GC101994BTEX03A GC1019NBTEX03A GC1019948TEX03A <br /> Analy. Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep. Method: EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst: R.Vincent R.Vincent R.Vincent R.Vincent <br /> MS/MSD#: 941091003 941091003 941091003 941091003 <br /> Sample Conc.. N D N D N D N D <br /> Prepared Date: 10/19/94 10/19/94 10/19/94 10/19/94 <br /> Analyzed Date: 10/19/94 10/19/94 10/19/94 10/19/94 <br /> Instrument I D.#: GCHP3 GCHP3 GCHP3 GCHP3 <br /> Conc Spiked: 10ug/L 10pg/L 10pg/L 30ug/L <br /> Result: 99 10 10 31 <br /> MS % Recovery: 99 100 100 103 <br /> Dup. Result: 10 10 10 31 <br /> MSD %Recov.- 100 100 100 103 <br /> RPD: 10 00 00 00 <br /> RPD Limit: 0-50 0-50 0-50 0-50 <br /> 4xG.r..n.,..,s��'.{Grover r„~A vro.�w,ri�ti r`t,ca,,.,, r,'cY}w r{rvsi ~�xon3 ~..."}.•hGFx~...,.n{G.,,}?rG�rs Ysw...x;}}�..�'�,,.cw~„�.,~,'i�w,r'C,kiY.~"i..{e,.�G�.:s;irru>�Y GY,..G'i,; 4�aa M,;{.s.�a,.G}i,i ri <br /> LCS#. - _ <br /> Prepared Date- <br /> Analyzed Date: <br /> ' Instrument I.D.#: = <br /> Conc.Spiked: <br /> LCS Result: <br /> LCS % Recov.: - _ _ <br /> ' LCS 71-133 72-128 72-130 71-120 <br /> Control Limits <br /> Please Note <br /> The LCS is a control sample of known,Interferent-free matnx that is analyzed using the same reagents, <br /> SEQUOIA ANALYTICAL preparation,and analytical methods employed for the samples The matrix spike is an aliquot of sample <br /> �/�/�/�—( d) <br /> fortified with known quantities of specific compounds and subjected to the entire analytical procedure M <br /> the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> r 1 <br /> Vickie Tague Clark interference,the LCS recovery is to be used to validate the batch <br /> Project Manager *'MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative% Difference 9410872 WAT -e1> <br />