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'7— 1, 7 <br /> 4D Sequoia 680 Chetapeake Drtve Redwood City,CA 94063 (415) 564 9600 FAX(419)364 9133 <br /> 404 N WIBet lana Walnut Greek CA 94598 (5101 91e-9600 FAX(5l0)9e8%73 <br />• qW Analytical 819 striker Avcnue Suite a Sacramento CA 95814 (916) 921 9600 FAX(9 16)911.0100 <br /> 1 1114112111111 lo <br /> Blaine Tech Services, Inc Client Project ID. Chevron 9-4183/960731.02 <br /> 885 Timothy Drive Matrix Liquid <br /> San Jose,CA 95133 <br /> Attention. Jim Keller Work Order# 9808098 -01-03 Reported. Aug13, 1M <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: 111-Dlohioro- Tr(chloro- Chloro- <br /> Mhene ethsns benzene <br /> OC Balch#: GCaeoeeeeotoaaA ocoummiow GCosoewaolow <br /> Ansly. Method: EPA 801 o EPA 5010 EPA 6010 <br /> Prop.Method: EPA 6030 WAS= EPA 5030 <br /> Analyst: T Costello T.Costello T Costello <br /> MS/MSD#: HN11701 9eoe117o1 850x11701 <br /> Sample Cone.: nl D 080 N D <br /> Prepared Date: 8/7/95 0/710 9/7/w <br /> Analyzed Date: e/e/aa s/8/95 a/s/9e <br /> Instrument I.D.#. GCHP8 QCHPB 4CHP5 <br /> Cone.Spiked: 2S Wt. 25yg/L 26yg/L <br /> Result: 25 27 28 <br />• MS%Recovery: 100 las 112 <br /> Dup.Result: 28 28 28 <br /> MSD%Recov.: 100 108 112 <br /> RPD: 00 2.5 oo <br /> RPD Limit: 025 0.25 0.25 <br /> LCS#: I't1.1t080995 SLK(ISH$ suanom <br /> Prepared Date: a/a/98 8/8/95 01/8/95 <br /> Analyzed Date: 5/5/95 8/9/96 10/95 <br /> Instrument I D.#: GCHPS GCHP8 GCHP8 <br /> Cone.Spiked: 25pg/L 29yo/L 25pg/L <br /> LCs Result: 24 27 25 <br /> LOS%Recov.: 98 108 100 <br /> 50.140 60.140 X140 <br /> LCS 6&136 70.130 M130 <br /> Control Limits <br /> Pfeaea ate. <br /> The LCS Is a aor*ol sample of known,lnterteront free matrix that is analysed using the souls reagents, <br /> S&OUOfA ANALYTICAL praparatlon,and anslytical rnstMods employed for the wmplas, The matrix spike is an aliquot of sample <br /> fortified with known quantities of speolfio compounds and subjected to the entire analytical procedure. H <br /> the recovery of analytes from the matrix spike does not fall within spoWied control limits due to matrix <br /> l interference,the LCS raoovery is to be used to validate the batch. <br /> WPeggy Panner dallM Spike,M30=MS DupUeate,R a Relative T Elifference <br /> Project Menag Page I of 2 9808005 91A s 1 a <br /> LZ/bI £LL8 £6Z 86b �833IAEI39 H331 3n(IVIS 89 91 (Q3M) 96 1Z Jfiv <br />