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819 Striker Ave Ste 8 <br /> Sequoia Sacramento,CA 95834 <br /> q (916}921-9600 <br /> W Analytical <br /> FAX(916)921-0]OU <br /> Gettler-Ryan-Dublin Project Former Unocal 0187,Stockton,CA S211332 <br /> 6747 Sierra Court,Ste J Project Number NIA Reported <br /> Dublin CA,94568 ' Project Manager Deanna L Harding 12/27/02 17 49 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical- Sacramento <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> U-2 211332-22 Water Sampled 11/05/02 16 42 Received 11/12/02 09 45 <br /> Tert-butyl alcohol ti ND -' _ 100 ug/l 1 2110282 11/19/02 11/19/02 EPA 8266B <br /> Methyl tert-butyl ether ND 20 to " <br /> Di-isopropyl ether 20 20 " <br /> Ethyl tert-butyl ether ND 20 to 11 <br /> " " to <br /> Tert-amyl methyl ether ND 20 0. <br /> " " <br /> Surrogate 12-DCA-d4 102% 60-140 to " <br /> U-22(5211332-23)Water Sampled 11/05/02 17 44 Received 11/12/02 09.45 <br /> Teri-butyl alcohol ND 100 ugll 1 2110313 11/19/02 11/19/02 EPA 8260E <br />_ Methyl tert-butyl ether ND 20 to to I " <br /> Di-isopropyl ether ND 20 1. to to <br /> Ethyl tert-butyl ether ND 20 to it to " " It <br /> Tert-amyl methyl ether ND 20 " 1. " <br /> Surrogate 1,2-DCA-d4 y - 105% 60-140 - <br /> U-23(S211332-24)Water Sampled, 11/05/02 18 17 Received, 11/12/02 09 45 <br /> Tert•butyl alcohol ND 100 ug/l 1 2110313 11/19/02 11/19/02 EPA 8260B <br /> Methyl tert-butyl ether ND 20 to " " " " to <br /> Di-isopropyl ether ND 20 " " " " " to <br />=Ethyl ten-butyl ether ND 2 0 <br /> Tert-amyl methyl ether ND 20 " <br /> Surrogate 1,2-DCA-d4 102 <br />--U-24(S211332-25)Water=Sampled -11/06102 07 38-Received.-11/12102 09 45�--_- <br /> Tert-butyl alcohol ND 100 119/1 1 2110312 11/20/02 11120/02 EPA 8260B <br /> Methyl tert-butyl ether ND 20 " to It <br /> Di-isopropyl ether ND 20 to " I. to <br /> Ethyl tert-butyl ether ND 20 " <br /> Tert-amyl methyl ether ND 20 " " <br /> Surrogate 1,2-DCA-d4 112% 60-140 to " <br /> Sequoia Analytical-Sacramento The results in this report apply to the samples analyzed in accordance with the cha <br /> of cusiody document Unless otherwise stated results are reported on a Wei weight <br /> basis This analytical report must be reproduced to its entirety <br /> 22 of 41 <br />