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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364 9600 FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (510) 968 9600 FAX(510)988 9673 <br /> IwoAnalytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921-96W FAX(916)921 0100 <br /> - <br /> Brown and Caldwell Client Project ID Arco #2093, Tracy Sampler! Nov 17, 1997 <br /> 3480 Buskirk Avenue Sample Descript Water, SMW-1 Relogged Nov 19, 1997 <br /> Pleasant Hill, CA 94523 Analysis Method EPA 8260 Analyzed Dec 1, 1997 <br /> Attention Steve Misner Lab Number 711-1391 Reported Dec 4, 1997 <br /> QC Batch Number MS120197MTSEH6A <br /> Instrument ID H-6 <br /> OXYGENATE COMPOUNDS (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> F►9/L N9/L <br /> Ethanol 2,500 <br /> t-Butanol 500 N D <br /> memyl t-Butyl Ether 10 500 <br /> UI-Isopropyl ter 10 <br /> Ethyl t-Butyl Ether (ETRE) 10 N D <br /> t-Amyl Methyl Ether(TAME) 10 N D <br /> Surrogates Control Limit % % Recovery <br /> 1,2-Dichloroethane-d4 76 114 103 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL, #1210 <br /> Melissa A Brewer <br /> Client Services Representative <br /> 71113$6 BRO <4> <br />