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680 Coeake Drive Redwood City CA 94063•(650)364-9600 FAX(650)364-9233 <br /> Sequoia <br /> ."� 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Straker 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 /> ATC Associates, Inc Client Prol ID Bozzano Property s Sampled 06/18/98 <br /> ' 1260 Graphics Drive Sample Descript BP-S132-15 5 Received 06/19/98 <br /> Modesto, CA 95351-1502 Matrix SOLID Extracted 06/24/98 <br /> Analysis Method EPA 8260 Analyzed 06/27/98 <br /> Attention Tom Lutterman Lab Number 9806E06-08 - Reported 07130/98 <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 1250000 N D <br /> t-Butanol 250000 N D <br /> Methyl t-Butyl Ether (MTBE) 5000 N D <br /> Di-Isopropyl Ether(DIPS) 5000 N D <br /> Ethyl t-Butyl Ether(ETB ) 5000 N D <br /> t-Amyl Methyl Ether (TAME) 5000 N D <br /> Surrogates Control Limits% % Recovery <br /> 1,2-Dichloroethane-d4 70 121 Q <br /> 10 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Project anager Page 19 <br />