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Sequoia680 Chesapeake Drive Redwood City,CA 94063 (650) 364-9600 FAX(650)364-9233 <br /> 4D <br /> 404 N.Wiget Lane Walnut Creek,CA 94598 (510) 988-9600 FAX(sio)988-9673 Analytical <br /> 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-9600 FAX(916)921-0100 <br /> ... ....................... <br /> ....... ..... <br /> nx;" <br /> ................................ <br /> ambda ``Tient Project 10- "SKe"ll 1267 Country C16,...b....81v' d <br /> 270 Perkins Ave. Matrix: Solid <br /> "Sonoma, CA 95476 <br /> .�::Attention: Joe Neely Work Order#: 9802D58-02, 04 Reported: Mar 10, 1998:.1..1. <br /> . ............ <br /> ............ <br /> ............. <br /> ............ <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Methanol Ethanol Iso-Propanol <br /> GC Batch#: GCO224981SHSHSB GCO224981SHSHSB GCO224981SHSHSB <br /> Analy. Method: ISHS ISHS ISHS <br /> Prep. Method: HS HS HS <br /> Analyst: T.Tran T.Tran T.Tran <br /> MS/MSD #: BLK022498 SLK022498 BLK022498 <br /> Sample Conc.: 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.#: GGV1 GCV1 GCV1 <br /> Conc. 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 /> . . ........................ <br /> ................ <br /> .............. ............... <br /> -- %:%.-.:,.:L.�:"..:.,..:,.."..�::,.:.":L,.:...:,.�:,.. .:.: .........L........... <br /> ............... .... ...................... <br /> .............. ...L"'" : . ": L...L...L... <br /> ............. ................ <br /> ............... ............................ <br /> ...................................... ....... ........ <br /> . ...... .... <br /> ........... ....... .......................... <br /> LCS #: BLK022498 BLK022498 BLK022498 <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 /> Conc. Spiked: 8.0 mg/Kg 8.0 mg/Kg 8.0 mg/Kg <br /> LCS Result: 612 6.8 6.4 <br /> LCS % Recov.: 78 85 80 <br /> MS/MSD 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 /> SEQU01 ALYTICAL 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 /> regory <br /> gory <br /> Project Manager MS=Matrix Spike, MSD=MS Duplicate,APD=Relative%Difference 9802D58.CCC <3> <br /> R�- <br />