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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (650) 364.9600 FAX(650)364-9233 <br /> 404 N.Wiget lane Walnut Creek,CA 94598 (510) 988.9600 FAX(510)988-9673 <br /> trills Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-%00 FAX(916)921-0100 <br /> 12"7Coun <br /> :::::>:<: ::;,:.:<.:<3;�::::>::z:#;::::'• E;E-i>''t:»>?::r<::Rfzi::::>:z:i's's:?:-?<:::>>::r;:::::is�>:<::a:::>:<:>s:::<:k;x5i:<ia<a;:�:r> :�::::>::::: _ :.::.�:...................................................................... <br /> Cambria Client Protect ID: Shell 6 ry � <br /> "270 Perkins Ave. Matrix: Solid <br /> ,> <br /> Sonoma, CA 95476 <> <br /> 'Attention: Joe NeelyWork Order#: 9802D58-01, 03, 05, 06 Reporte ar 10, 1998:':::: <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Methanol Ethanol [so-Propanol <br /> QC Batch#: GCO22498]SHSHSB GCO224981SHSHSB CCO224981SHSHSB <br /> Analy. Method: ISHS ISHS ISHS <br /> Prep. Method: HS HS HS <br /> Analyst: T.Tran T.Tran T.Tran <br /> MS/MSD#: BLK022498 BLK02249B BLK022498 <br /> Sample Cone.: N.D. N.D. N.D. <br /> Prepared Date: 2/24/98 2/24/98 2/24/98 <br /> Analyzed Date: 2/24/98 2/24/98 2/24/98 <br /> Instrument I.D.#: GCV1 GCV1 GCV1 <br /> Cone. Spiked: 8.0 mg/Kg 8.0 mg/Kg 8.0 mg/Kg <br /> Result: 7.8 4.7 7.3 <br /> MS % Recovery: 98 59 91 <br /> Dup. Result: 7.2 4.1 6.7 <br /> MSD%Recov.: 90 51 84 <br /> RPD: 8.0 14 8.6 <br /> RPD Limit: 0-50 0-50 0-50 <br /> IX <br /> LCS#: BLK022598 BLK022598 BLK022598 <br /> Prepared Date: 2/25/98 2/25/98 2/25/98 <br /> Analyzed Date: 2/25/98 2/25/98 2/25/98 <br /> Instrument I.D.#: GCV1 GCV1 GCV1 <br /> Cone. Spiked: 8.0 mg/K9 8.0 mg/Kg 8.0 mg/Kg <br /> LCS Result: 6.4 6.6 6.2 <br /> LCS % Recov.: 80 83 78 <br /> 50-150 50-150 50-150 <br /> LCS 50-150 50-150 50-150 <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 /> SEQUOIA 414ALYTICAL 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 specified control limits due to matrix <br /> interference,the LCS recovery is to be used to validate the batch. <br /> 4Actager **MS=Matrix Spike,MSD=MS Duplicate, RPD=Relative%Difference 9802D58.CCC <2> <br />