ARCHIVED REPORTS_XR0005758 CASE 2

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E;19 Striker Avenue Suite 8 Sacramento CA 95834 Sequoia (916)921-9600 FAX(916)921 0100 Analytical www sequoialaUs com 40 SECOR International-Rancho Cordova Project Arco 6020, Manteca,CA 3017 Kilgore Road,Suite 100 Prolcct Number NIA Reported Rancho Cordova CA,95670 Project Manager Rusty Benkosky 02/16/01 12 59 Volatile Oxygenate Compounds by EPA Method 8260A Sequoia Analytical - Sacramento Reporting Analyte Result Limit Units Diluoou Batch Prepared Aiwkzed Mcolod Notes MW-8@10' (S102065-22)Soil Sampled 01/31/01 08 03 Received 02/02/01 12 28 ert-butyl alcohol ND 100 mg/kg 1 1020089 02/08/01 02/09/01 EPA 8260A Methyl tert-butyl ether ND 0 100 Di-isopropyl ether ND 0 100 lert-amyl thyl tert-butyl ether ND 0 100 methyl ether ND 0 100 1,2-Dichloroethane ND 0100 thylene dibromide ND 0 100 " urrogate 12-DCA-d4 105 % 60-140 MW-8@20'(S102065-24)Soil Sampled 0113110108 17 Received 02/02/01 12 28 Tert-butyl alcohol ND 100 mg/kg 1 1020089 02/08/01 02/09/01 EPA 8260A Methyl tent-butyl ether ND 0 100 Di-isopropyl ether ND 0 100 " I tert-butyl ether ND 0 100 �yl methyl ether ND 0 100 1,2-Dichloroethane ND 0100 Ethylene dlbromide ND 0 100 " Surrogate 1,2-DCA-d4 888% 60-140 MW-8@25'(5102065-25)Soil Sampled 01/31/01 08 23 Received 02/02/01 12 28 'Tert-butyl alcohol ND 100 mg/kg 1 1020059 02/08/01 02/09/01 EPA 8260A Methyl tert-butyl ether ND 0 100 Di-isopropyl ether ND 0 100 ,Ethyl tert-butyl ether ND 0 100 Tert-amyl methyl ether ND 0 100 1,2-Dichloroethane ND 0100 " Ethylene dlbromide ND 0 100 " Surrogate 12-DCA-d4 876% 60-140 1 1 oia Analytical- Sacramento 77ie results in this report apply to the samples analyzed in accordance with the chain of ' custody document This analytical report must be reproduced in its entirety ' 13 of 21