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ul tpf" t1? <br /> Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N.Wlget Lane Walnut Creek,CA 94598 (925)988-9600 FAX(925)988-9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd.North,Ste.D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> ATC Associates, Inc. Client Project ID: Inland Paint Coli 7295.0001 <br /> 1117 Lone Palm Avenue <br /> Modesto, CA 95351-1502 <br /> Attention: Drew Van Allen QC Sample Group: 98121001-0 1-02, 04 Reported: Jan 7, 1999 <br /> QUALITY CONTROL DATA REPORT <br /> Matrix: Liquid <br /> Method: EPA 8015 <br /> Analyst: N.H. <br /> ANALYTE Gasoline <br /> QC Batch#: GC122998STEX30A <br /> Sample No.: 9812D01-1 <br /> Date Prepared: 12/29/98 <br /> Date Analyzed: 12129/98 <br /> Instrument I.D.#: GCHP30 <br /> Sample Conc., ug1L. N.D. <br /> Conc. Spiked, uglL: 250 <br /> Matrix Spike, ug/L: 230 <br /> % Recovery: 92 <br /> Matrix <br /> Spike Duplicate, ug/L: 210 <br /> % Recovery: 84 <br /> Relative % Difference: 9.1 <br /> RPD Control Limits: 0-25 <br /> LCS Batch#: GC122998BTEX30A <br /> Date Prepared: 12/29/98 <br /> Date Analyzed: 12/29/98 <br /> Instrument I.D.#: GCHP30 <br /> Conc. Spiked, ug/L: 250 <br /> LCS Recovery, ug/L: 260 <br /> LCS % Recovery: 104 <br /> Percent Recovery Control Limits: <br /> MS/MSD 60-140 <br /> LCS 70-130 <br /> Quality Assurance Statement: All standard operating procedures and quality control requirements have been met. <br /> Please Note: <br /> The LCS is a control sample of known,interferent free matrix that is analyzed using the same reagents, <br /> SEQUOIA ANALYTICAL 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 /> KayyaO, Tmyai <br /> Pr6jeci Manag <br />