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' 680 Geake Drive Redwood City CA 94063(650)364-9600 FAX(650)364-9233 <br /> 1 Sequoia 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(92S)988-9673 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Analytical 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> S <br /> ATG Associates, Inc _ Client Proj ID Bozzano Property Sampled <br /> E, 1260 Graphics Drive Sample Descript Method Blank Received 06/19/98 _ <br /> Modesto, CA 95351-1502 Matrix SOLID Extracted 06/24/98 <br /> 91 Analysis Method EPA 8260 Analyzed 06/27/98 <br /> ;i Attention Tom Lutterman Lab Number 9806E06-17 Reported 07J30J98 <br /> QC Batch Number MS062498MTBEEXA <br /> Instrument ID H6 <br /> Oxygenate Compounds (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> ug/kg ug/kg <br /> Ethanol 25000 N D <br /> t-Butanol 5000 N D <br /> Methyl t-Butyl Ether (MTBE) 100 N D <br /> Di-Isopropyl Ether (DIPS) 100 N D <br /> Ethyl t-Butyl Ether (ETBE) 100 N D <br /> t-Amyl Methyl Ether (TAME) 100 N D <br /> Surrogates Control Limits % % Recovery <br /> 1,2-Dichloroethane-d4 70 121 103 <br /> 10 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP 01210 <br /> Project anager Page 37 <br />