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404 N Wiget Lane ' <br /> Sequoia Walnut Creek C996W <br /> 4 {925}988 8 9680 <br /> FAX{925}988%73 I <br /> 00„- Analytical wwwsequoialabs�om <br /> Secor-Rancho Cordova Project Arco , <br /> 3017 Kilgore Rd Ste #100 Project Number Arco# 4932 Reported <br /> Rancho Cordova CA,95670 Project Manager Rusty Benkosky 26-Jul-01 12 27 <br /> Volatile Organic Compounds by EPA Method 8260B ' <br /> Sequoia Analytical - Walnut Creek <br /> Reporting , <br /> Analyte Re%ult Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> 38-1,60'(WI07170-04)Soil Sampled 09-Jul-01 00 00 Received ll-Jul-01 12 35 <br /> tert-Butyl alcohol ND 2 5 mg/kg [Do 1G16023 20 Jul-01 20-Jul-01 EPA 8260B , <br /> Methyl tent-butyl ether ND 020 " <br /> Di-isopropyl ether ND 0 10 " <br /> Ethyl tert-butyl ether ND 0 10 " <br /> tert-Amyl methyl ether ND 0 10 ' <br /> 12-Dichloroethane ND 010 " <br /> I 2-Dibromoethane ND 020 " <br /> Surrogate Dibromofluoromethane J 104% 50-150 <br /> Surrogate 12-Dichloroethane-d4 980% 50-150 " <br /> SB-1,$0'(WI07170-05) Soil Sampled 0940-01 00 00 Received 11-Jul-01 12 35 <br /> tert-Butyl alcohol ND 2 5 mg/kg 100 1G16023 20 Jul-01 20-Jul-01 EPA 8260B ' <br /> Methyl tert-butyl ether ND 020 " <br /> Di-isopropyl ether ND 010 <br /> " <br /> Ethyl tert-butyl ether ND 010 <br /> tort-Amyl methyl ether ND 010 " <br /> 12-Dichloroethane ND 010 <br /> 1,2-Dibromoethane ND 020 <br /> Surrogate Dibromofluoromethane W 104% 50-150 " <br /> Surrogate 12-Dichloroethane-d4 960% 50-150 " <br /> S113-1,33'(W107170-06)Water Sampled 09-Jul-01 15 30 Received 11-Jul-01 12 35 ' <br /> tert-Butyl alcohol ND 200 ug,/l 10 1G20011 20-Jul-01 20-Jul-01 EPA 8260B <br /> Methyl Cert-butyl ether 2400 20 " <br /> Di-isopropyl ether ND 20 " <br /> Ethyl tett-butyl ether ND 20 <br /> tent-Amyl methyl ether ND 20 " <br /> 1,2-Dichloroethane ND 20 " <br /> Ethylene dibromide ND 20 <br /> Surrogate DihromoJluoromethane - 110% 50-150 " <br /> Surrogate 1,2-Dichloroethane-d4 108% 50-150 " <br /> Sequoia Analytical- Walnut Creek The results in this report apply to the samples analyzed in accordance with the chat ' <br /> custody document This analytical report must be reproduced in its enh* <br /> Page 5 of 13 <br /> �T> <br />