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Sequoia <br />4%ff Analytical <br />Gettler Ryan, htc -Dublin Project Chevron <br />6747 Sierra Court Suite J Project Number Former Chevron # 9-5775 <br />Dublin CA, 94568 Project Manager Steve Carter <br />Volatile Organic Compounds by EPA Method 8260A <br />Sequoia Analytical - Walnut Creek <br />404 N Wiget lane <br />Walnut Creek CA 94598 <br />(925) 988-9600 <br />FAX (925) 988-9673 <br />Reported <br />03 -Mar -00 11 40 <br />Reporting <br />Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br />MW -5(S) (W003044-02) Water <br />Sampled 01 -Mar -0016 55 Received 02 -Mar -00 08 50 <br />tert-Butyl alcohol <br />ND <br />200 <br />ug/1 2 0003007 02 -Mar -00 02 -Mar -00 EPA 8260A <br />Methyl tert-butyl ether <br />250 <br />40 <br />" <br />Di -isopropyl ether <br />ND <br />40 <br />" <br />Ethyl tert-butyl ether <br />22 <br />40 <br />" <br />tertAmyl methyl ether <br />ND <br />40 <br />" <br />Surrogate Dibromgfluoromethane <br />102% <br />50-150 " /I <br />Surrogate 1,2-Dichloroethane-l4 <br />108% <br />50-150 11 ol <br />MW -6 (W003044-03) Water Sampled Ot-Mar-00 17 40 <br />Received 02 -Mar -00 08 50 <br />tent -Butyl alcohol <br />ND <br />200 <br />ug/1 2 0003007 02 -Mar -00 02-M it -00 EPA 8260A <br />Methyl tert-butyl ether <br />520 <br />40 <br />A-01 <br />Di -isopropyl ether <br />ND <br />40 <br />Ethyl tert-butyl ether <br />56 <br />40 <br />" <br />tert-Amyl methyl ether <br />68 <br />40Affi <br />" <br />rogate Dibromofluoromethane <br />102% <br />50-150 <br />lqpll�rogate 1,2-Dochloroethane-d4 <br />106% <br />50-150 <br />MW -8 (W003044-04) Water Sampled 01 -Mar -00 13 10 <br />Received 02 -Mar -00 08 50 <br />keit-Butyl alcohol <br />ND <br />100 <br />ug/1 1 0003007 02 -Mar -00 02 -Mar -00 EPA 8260A <br />Methyl tert-butyl ether <br />31 <br />20 <br />tr" " " " " <br />Di -isopropyl ether <br />ND <br />20 <br />rr" <br />Ethyl tert-butyl ether <br />ND <br />20 <br />" <br />tent -Amyl methyl ether <br />ND <br />20 <br />" <br />Surrogate Dibromofluoromethane <br />102% <br />50-150 " <br />Surrogate 1,2-Dichloroethanc-d4 <br />106% <br />50-150 " <br />�equola Analytical - Walnut Creek The results in this report apply to the samples analyzed r n accordance with the churn of <br />custody document Plus analytical report mutt be reproducedin i is enorety <br />�Ta&, stony rector page 5 of 10 <br />