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680 Chess eake Drive Redwood City,CA 94063 650 364-9600 FAX 650 364-9233 <br /> Sequoia p ti ( ' <br /> 404 N.Wiget Lane Walnut Creek,CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916)92I-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 Proj. ID: Van Dyken Prop/N&S Irrigation Sampled: 07/13/98 <br /> 1260 Graphics Drive Sample Descript: NS-SB6-25.0 Received: 07/14/98 <br /> ,Modesto, CA 95351-1502 Matrix: SOLID Extracted: 07/15/98 <br /> Analysis Method: EPA 8260 Analyzed: 07/18/98 <br /> III Attention: eanne Homse Lab Number: 9807772-04 R rt 7 8 98 <br /> J eoed0 <br /> 2 <br /> :::::Y......................................................._......__...........................................................................-...... P <br /> ........................................_........................._....................................._............................................:.::�:-::::::::::::.::::: <br /> lilllilllililllllllllllllilllllllliii ; : �:: . €€U; ................................iIiIlllliiliililli €.....................l III <br /> �C Batch Number: MS071598MTBEEXA <br /> Instrument ID: H6 ` <br /> Lnalyte <br /> Oxygenate Compounds (EPA 8260) <br /> Detection Limit Sample Results <br /> ug/kg ug/kg <br /> LEthanol 25000 N.D. <br /> t-Butanol 5000 N.D. <br /> Methyl t-Butyl Ether(MTBE) 100 N.D. <br /> Di-Isopropyl Ether (DIPE) 100 N.D. <br /> LEthyl t-Butyl Ether(ETBE) 100 N.D. <br /> t-Amyl Methyl Ether(TAME) 100 N.D. <br /> Ll,2-Dichloroethane-d4 <br /> Surrogates Control Limits% % Recovery <br /> 70 121 89 <br /> L <br /> L <br /> L <br /> L <br /> L <br /> LEQUOIA <br /> Analytes reported as N.D.were not present above the stated limit of detection. <br /> ANALYTICAL - ELAP 41210 <br /> roject Manager Page: 10 <br /> L <br />