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Sequoia <br /> �01� ♦�0 Chesapeake Drive Redwood City.,*53 (650) 364-9600 FAX(650)3649233 <br /> C❑ fJq N.Wiget Lane Walnut Geek.GA 98 (925)988-9600 FAX(925)988-9673 <br /> 1 819 Striker Avenue.Suite 8 Sacramento,CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Analytical 145$McDowell Blvd.North.Ste.0 Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> 1551 Industrial Road San Carlos.CA 94070-4111 (650)232-9600 FAX(650)232-9612 <br /> equola Analytical r Cllent Protect ID: 1905442 J Gettler-�lyan Inc." <br /> 1551 Industrial Blvd. Matrix: Liquid <br /> :r <br /> San Carlos, CA 94070 <br /> s. <br /> Attention: Mike Gregory QC Sample Group: 9052163-73 Repo <br /> :. rt <br /> • Jun 21, 19 <; <br /> ...... .....;c......:.,r.r.::y.::...::.;.n�.�:::..,-::4:.z:.:.:�.::.......:..:{......rn.r.;...... .....::::.,:::.:•• - .......-, .. ....:-..:... :.-...,...r......M-'r:t::�::i.i'::t n. <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> QC Batch#: 00060299 GC-060299 GCO60299 GC060299 <br /> 802004A 802004A 802004A 802004A <br /> Analy. Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep. Method: EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> na y5 : D. Newcomb D.Newcomb D. Newcomb D.Newcomb <br /> MS/MSD #: 9052164 9052164 9052164 9052164 <br /> Sample Cone.: N.D. N.D. N.D. N.D. <br /> Prepared Date: 06/02/99 06/02/99 06/02/99 06/02/99 <br /> Analyzed Date: 06/02/99 06/02/99 06/02/99 06/02/99 <br /> Instrument I.D.#: HP-4 HP-4 HPA HPA <br /> Cone. Spiked: 20ug/L 20ug/L 20ug/L 60ug/L <br /> Result: 21 18 18 63 <br /> MS % Recovery: 105 90 90 105 <br /> ODup. Result: 23 18 18 63 <br /> MSD % Recov.: 115 90 90 105 <br /> RPD: 9.1 0.0 0.0 0.0 <br /> RPD Limit: 0-20 0-20 0-20 0-20 <br /> LCS #: 4LCS060299 4LCS060299 4LCS060299 4LCS060299 <br /> Prepared Date: 06/02/99 06/02/99 06/02/99 06/02/99 <br /> Analyzed Date: 06/02/99 06/02/99 06/02/99 06/02/99 <br /> Instrument I.D.#: HP-4 HP-4 HP-4 HP-4 <br /> Cone. Spiked: 20 ug/L 20 ug/L 20 ug/L 60 ug/L <br /> LCS Result: 20 17 18 61 <br /> LCS % Recov.: 100 85 90 102 <br /> LCS 70-130 70-130 70-130 70-130 <br /> Control Limits <br /> PleaseNote: <br /> The LCS is a control sample of known, interferent-free matrix that is analyzed using the same reagents, <br /> SEQUOIA ANALYT L, #1271 preparation and analytical methods employed for the samples. The matrix spike is an aliquot of sample <br /> /J fortified with known quantities of specific compounds and subjected to the entire analytical procedure. If <br /> C/ the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> interference,the LCS recoveryis to be used to validate the batch. <br /> harlie Westwater matrix Spike, MSD = NIS Ouplicate, = e ative .e Uitterence <br /> *roject Manager <br /> 9052163.SSS e5> <br />