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i <br /> �1 680 Chesapeake Drive Redwood Clty.CA 94063 (650) 364-%00 FAX(650) 364-9233 <br /> Sequoia 404 IV.Wiget lane Walnut Creek.CA 94598 (92S)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue.Suite 8 Sa[ramento.CA 95834 (916)921-9600 FAX(916)921-010 0 <br /> Analytical 1455 McDowell Blvd.North,Ste.D Petaluma CA 94954 (707)792-1865 FAX(707)792-0342 <br /> Blaine Tech Services, Inc. Client Project ID- Chevron 9-0557/981108-Ti <br /> 1680 Rogers Ave. Matrix: Liquid <br /> San.dose, CA 95112 <br /> Attention: Christine Lillie Work Order # 9811694-07-10 Reported: Dec 2, 1998 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Gasoline <br /> OC Batch#: 8110247 <br /> Analy. Method: EPA 8015M/8020M <br /> Prep. Method: EPA 5030 <br /> Analyst: - <br /> MS/MSD #: P81 1143-02 <br /> Sample Cone.: N.❑ <br /> Prepared Date: 11/16/98 <br /> Analyzed Date: 11/16/98 <br /> Instrument I.D.#: - <br /> Cone. Spiked: 1000ug/L <br /> Result: 1140 <br /> MS % Recovery: 103 <br /> Dup. Result: 1110 <br /> MSD % Recov.: 9�.o <br /> RPD: 2.67 <br /> RPD Limit: 0-12 <br /> LCS #: LCS111698 <br /> Prepared Date: 13/16/98 <br /> Analyzed Date: 11/23/98 <br /> Instrument I.D.#: <br /> Cone. Spiked: 1000pg/L <br /> LCS Result: 1090 <br /> LCS % Recov.: 109 <br /> i <br /> i <br /> 53-146 <br /> LCS 79-127 <br /> Control Limits <br /> Please Note: <br /> SEQUOIA ANALYTICAL The LCS is a control sample of known,interferent4ree matrix that is analyzed using the same reagents, <br /> Elap#2245 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 /> gory <br /> ro' t Manager **VIS Matrix Spike, MSD=MS Duplicate,RPD=Relative o Difference 9811694.BLA <3> <br />