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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364-9600 FAX(415) 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) 921-9600 FAX(916)921-0100 <br /> �iF Analytical <br /> Del-Tech Client Project ID: Mouser Slough Excavation / Pumping Station <br /> 10624 Olive Ave. Matrix: Soil <br /> Oakdale, CA 95361 <br /> Attention: Don Light OC Sample Group: 6080573-74 Reported: Aug 19, 1996 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Reactive Reactive <br /> Chloride Cyanide Sulfide <br /> Method: EPA 325.3 SW-846 SW-846 <br /> Analyst: S. Phillips K. Sims K. Sims <br /> Concentration <br /> Spiked: 2500 mg/kg 0.20 mg/L 10 mg/L <br /> LCS Batch#: LOS081696 LCS081596 LCS0815g6 <br /> Date Prepared: 08/16/96 08/15/96 08/15/96 <br /> Date Analyzed: 08/16/96 08/15/96 08/15/96 <br /> Instrument I.D.#: Titration Manual Manual <br /> LCS <br /> Recovery: 104 55 93 <br /> Control Limits: 80-120 6.440 70-130 <br /> MS/MSD <br /> Batch #: 6080574 N/A N/A <br /> Date Prepared: 08/16/96 N/A N/A <br /> Date Analyzed: 08/16/96 N/A N/A <br /> Instrument I.D.#: Titration N/A N/A <br /> Matrix Spike <br /> % Recovery: 104 N/A N/A <br /> Matrix Spike <br /> ECEIVED <br /> Duplicate % AUG 2 2 1996 <br /> Recovery: 104 N/A N/A <br /> MUNICIPAL UTllfl IES <br /> Relative % <br /> Difference: 0.0 N/A N/A <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 LCS%recovery data is used for <br /> validation of sample batch results. Due to matrix effects,the QC limits for MS/MSD's are advisory only <br /> and are not used to accept or reject batch results. <br /> t?.- `r <br /> Linda C. Schneider <br /> Project Manager/Sacramento Laboratory <br /> 6080573.DDD <4> <br />