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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 /> qwr Analytical 819 Striker Avenue,Suite a Sacramento,CA 95834 (916)921.9600 FAX(916)921-010 0 <br /> 1455 McDowell Blvd.North,Ste.D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> ettCer-Ryan.....Dublin ...... ...... . Client!'rojectlD.` Bosco#11195, La#lirop Sampled. ...DSec 8 . <br /> 747 Sierra Court, Suite J Sample Descript: Water, Water-Ref Received: Dec 17, 1998" <br /> :::bublin, CA 94568 Analysis Method: EPA 8240 <br /> X. <br /> Attention: Doug Lee Lab Number: 812-0639 Analyzed: Dec 18, 1998;; <br /> Reported. Jan 5, 1999;;:` <br /> VOLATILE ORGANICS by GC/MS (EPA 8240) <br /> Analyte Detection Limit Sample Results <br /> pg/L Ng/L <br /> Vinylacetate...................................................................... 2.0 ..................................... N.D. <br /> Vinylchloride..................................................................... 2.0 .........I........................... N.D. <br /> TotalXylenes .................................................................... 2.0 ..................................... 26 <br /> MTBE................................................................................. 2.0 ......................... 59,000 <br /> Surrogates Control Limit % % Recovery <br /> 1,2-Dichioroethane-d4...................................................... 50 150..................................... 100 <br /> Toluene-d8....................... ................... .............................. 50 150..................................... 96 <br /> 4-Bromofluorobenzene..................................................... 50 150..................................... 100 <br /> Analytes reported as N.D.were not present above the stated limit of detection. <br /> SEQUOIA ANALYTICAL, #1271 <br /> egle <br /> �—Project Manag Page 2 of 2 <br /> 8121495.GET <3> <br />