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Sequoia 680 Chempeake Orive ,Redwood City,CA 94063 (415) 364-9600 FAX(415)3(r1-9233 <br /> 404 N.Wiget Lane Walnut Geek,CA 94598 (510) 988-9600 FAX(510)988-9673 <br /> (D- Analytical 819 Striker Avenue,Suite i Sacramento,CA 95834 (916) 921-9600 FAX(916)921-0100 <br /> � K{f31.b:�4:-sx.:Y�.;�,�{„o{wu^�' <br /> 'Smith)-'Canonie Environmental Client Project ID: 94-369-01-10, Smith Canal <br /> 4x1710 Main Street Matrix: Vquid <br /> Escalon, CA 95320 N <br /> Attention: Jeanne Hornsey Work Order#: 9510550-02� Reported: Oct 26, 1995 <br /> •.iii:i:vii::i A:+: .::.::x.:p ::.yuv:::xvvvv.. ::v <br /> ;:ii;:o;::a:v:,;:{i;:{..n. .,,,:.,,.„RmsY„o-C{:stc:.{»:-c�=ow.:r::r>�x-:c:� .r:xrfa'---...:-':-?-.,.::c-.--.".......:....:.,.,,,.-::rs.--.- -%`9r�cSt-;aawcc-.,x„:,:a'�:-;:,: .{4::a{wosc_:o.�:{rw:...:e:7;•,;,c;sooeo- -;6 `...�.,.ReLtoic'.,,,.wwYzr.�G <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> QC Batch#: GC10i0953TEX17A GC101095BTEX17A GC101095STEX17A GC101095BTEX17A <br /> Analy. Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep. Method: EPA 50x0 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst: J.Woo J.Woo J.Woo J.Woo <br /> MS/MSD#: 95twsom 9510JSD02 9510)5002 951OJ5002 <br /> Sample Conc.: N.D. N.D. N.D. N.D. <br /> Prepared Date: 10/10/95 10/10/95 10/10/95 10/10/95 <br /> Analyzed Date: 10/10/95 10/10/95 10/10/95 10/10/95 <br /> Instrument l,D.#: GCHP17 GCHP17 GCHP17 GCHP17 <br /> Conc. Spiked: 10jug/L 10pg/L 10pg/L 30pg/L <br /> Result: 11 11 11 34 <br /> MS % Recovery: 110 110 110 113 <br /> - Dup. Result: 11 11 11 34 <br /> := MSD%Recov.- 110 110 110 113 <br /> RPD: 0.0 0.0 0.0 0.0 <br /> RPD Limit: 0-50 0-50 0-50 0-50 <br /> ��r x:::���::�x�:�-.:� -- -' - - -�.. .max . .:{ :_�:•. � G� -N <br /> LCS#: - - - - <br /> Prepared Date: - - - - <br /> Analyzed Date:- - - - - <br /> Instrument LD.# - - - - <br /> Conc.Spiked: - - - - <br /> LCS Result: - - <br /> LCS %Recov: - - - <br /> M <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,Inlerferent-free matrix 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 /> - 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 fall within speed control limits due to matrix <br /> ��V VVV 1LL�" ,LCL interference,the LCS recovery is to be used to validate the batch. <br /> Vickie Tague Clark <br /> k <br /> Project Manager '*MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 9510550.CAN <3> <br />