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Sequoia <br />Analytical <br />Gettler Ryan, Inc - Dublin <br />6747 Sierra Court Suite J <br />Dublin CA, 94568 <br />Project Chevron <br />Protect Number Former Chevron 4 9-5775 <br />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) 988-960p <br />FAX (925) 988-9673 <br />Reported <br />03 -Mar -0011 40 <br />Reporting <br />Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br />MW -9 (WO03044-05) Water Sampled 01-Mar-uu 14 lu <br />xecetvea 9z-1nar-uu ua :u <br />tert-Butyl alcohol <br />ND <br />100 <br />ug/1 1 0003007 02 -Mar -00 02 -Mar -00 EPA 8260A <br />Methyl tent -butyl ether <br />78 <br />20 <br />of 1. " " <br />Di -isopropyl ether <br />ND <br />20 <br />" <br />Ethyl tert-butyl ether <br />68 <br />20 <br />" <br />tert-Amyl methyl ether <br />ND <br />20 <br />" <br />Surrogate Dibromofluoromethane <br />102% <br />50-150 " <br />Surrogate 12-Dichloroethane-d4 <br />106% <br />50-150 " <br />EX -1 (WO03044-06) Water Sampled <br />01 -Mar -00 19 20 <br />Received <br />02 -Mar -00 08 50 <br />tert-Butyl alcohol <br />ND <br />100000 <br />ug/1 1000 0003007 02 -Mar -00 03 -Mar -00 FPA 8260A <br />Methyl tert-butyl ether <br />720000 <br />2000 <br />A-01 <br />Di -isopropyl ether <br />ND <br />2000 <br />" <br />Ethyl tert-butyl ether <br />18000 <br />2000 <br />" <br />tert-Amyl methyl ether <br />6000 <br />2000 <br />" <br />Surrogate Dibromofluoromethane <br />102% <br />50-150 <br />Surrogate 12-Dichloroethane-d4 <br />108% <br />50-150 " <br />Sequoia Analytical - Walnut Creek The results in this report apply to tir samples analyzed i n a�cordcmce with the than <br />custody document This analyrtcad report must he reproduced to its entire is <br />- aa��-D <br />1`iAlan B Kemp, Laboratory Director <br />I*. <br />Page 6of10 <br />