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Sequoia680 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 /> 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 911.9600 FAX(916)911.0100 <br /> Analytical <br /> f <br /> �arbra' 'Clerit'P Project <br /> {�<'=S�el1267 <br /> Country <br /> Club?i;BSiIVd�Y <br /> >'270 Perkins Ave. Matrix: Solid <br /> .".'Sonoma, CA 95476 ! <br /> ;::Attention: Jo <br /> e Neel Work Order#: 9802F61-01, 02 Reported, Mar 11, 1998::::;: <br /> <:::?::::::5;3';5;:::;::::;-:::;:r;p::f<ip:;:>;>::.»:�:.:;:-;;:;:;:, <br /> QUALITY CONTROL DATA REPORT <br /> {, Analyte: Methanol Ethanol Iso-Propanol <br /> QC Batch#: GCO226981SHSHSB GCO226981SHSHS6 GCO2269818HSHSB <br /> Analy. Method: ISHS ISHS ISHS <br /> Prep. Method: HS HS HS I; <br /> Analyst: T.Tran T.Tran T.Tran �i <br /> MS/MSD#: BLK022698 BLK022698 BLK022698 <br /> Sample Conc: N.D. N.D. N.D. E. <br /> Prepared Date: 2/26/98 2/26/98 2/26/98 I <br /> Analyzed Date: 2/26/98 2/26/98 2/26/98 <br /> Instrument I.D.#: GCV1 GCV1 GCV1 <br /> Conc. Spiked: 8.0 mg/Kg 8.0 mg/Kg 8.0 mg/Kg <br /> Result: 8.2 8.8 8.7 <br /> MS % Recovery: 103 110 109 { <br /> I Dup. Result: 7.9 8.1 8.1 <br /> MSD % Recon.: 99 101 101 <br /> RPD: 3.7 8.3 7.1 <br /> RPD Limit0-50 0-50 0-50 <br /> »..... . . <br /> LCS#: BLK022698 ELK022698 BLK022698 <br /> Prepared Date: 2/26/98 2/26/98 2/26/98 l' <br /> Analyzed Date: 2/26/98 2/26/98 2/26/98 <br /> Instrument I.D.#: GCV1 GCV1 GCV1 <br /> Conc. Spiked: 8.0 mg/Kg 8.0 mg/Kg 8.0 mg/Kg <br /> LCS Result: 7.7 6.9 6.6 <br /> LCS % Recon.: 96 86 83 <br /> 50-150 50-150 50-150 <br /> LCS 50-150 50-150 50-150 T <br /> 3 <br /> Control Limits <br /> Please Note: <br /> I <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> SEQUOI LYTICAL 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 entireYanaiytical 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 /> egm <br /> Project Manager **MS=Matrix Spike, MSD=MS Duplicate,RPD=Relative% Difference F9802F61.CCC <4> <br /> II <br />