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tSequoia 680 Chesapeake Dnvc Redwood City CA 940 (415) 364-9600 FAX(415) 364 9233
<br /> 1900 Bata Avenue Suite L 94
<br /> Analytical Concord, o 520 (516) 686 9600 FAX(516)921 9689
<br /> 819 Straker Avenue Suite B Sacramento CA 95834 (916) 92! 9606 FAX(916)92l-0100
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<br /> Client-Project ID V054006 06, Coca-Col1 VStockton f
<br /> ,1710 Main Street Matrxc Liquid ry
<br /> Escalon, CA 95320 nfi
<br /> Attentionx Jeanne Homsey Work Order# 941OB72 02 Reported Nov 7, 1994
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<br /> xCOC#
<br /> QUALITY CONTROL DATA REPORT
<br /> Analyte' Benzene Toluene Ethyl Xylenes
<br /> Benzene
<br /> OC Batch#: GC102094BTEX17A GC102094BTEX17A GC102094BTEX17A GC102094BTEX17A
<br /> Analy. Method: EPA 8020 EPA 5020 EPA 8020 EPA 8020
<br /> Prep. Method: EPA 5030 EPA 5030 EPA 5030 EPA 5030
<br /> Analyst: J Minkel J Minkel J Minkel J Minkel
<br /> MS/MSD#: 941OA3812 941OA3812 941OA3812 941OA3812
<br /> Sample Cone.: ND ND ND ND
<br /> Prepared Date: NA NA N.A. N.A.
<br /> Analyzed Date. 10/20/94 10/20/94 10/20/94 10/2x/94
<br /> Instrument I.D.#: GCHP17 GCHP17 GCHP17 GCHP17
<br /> ' Cone. Spiked: 10}tg/L 10pg/L 10pg/L 30 WL
<br /> Result: 10 s 9 9 9 29
<br /> MS % Recovery: 100 99 99 97
<br /> Dup. Result: 98 97 9 9 30
<br /> MSD%Recov: 98 97 99 100
<br /> RPD: 20 20 00 34
<br /> RPD limit. 0-50 0.50 0-50 0-50
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<br /> LCS#: - - _
<br /> ' Prepared Date:
<br /> Analyzed Date:
<br /> ' Instrument I.D.#: _
<br /> Cone. Spiked:
<br /> LCS Result:
<br /> ' LCS %Recov.: - _ _
<br /> LCS 71-133 72128 72--130 71-120
<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 /> EQUOIA ANALYTICAL preparation,and analytical methods employed for the samples The matnx spike is an aliquot of sample
<br /> �y fortified with known quantities of specific compounds and subjected to the entire analytical procedure M
<br /> � �/ i/��i✓ the recovery of analytes from the matrix spike does not fall within specified control limits due to matnx
<br /> 1
<br /> Vickie Tague Clark interference,the LCS recovery Is to be used to validate the batch
<br /> ' Project Manager "MS=Matnx Spike,MSD=MS Duplicate,RPD=Relative%Difference 94101372 WAT e2>
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