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Sequoia " , CA tone <br /> Walnut Creek, CA 9459$ <br /> (925) 988-9600 <br /> m%ff Analytical fAX (925)988-9673 <br /> Gettler Ryan,Inc -Dublin Project Unocal <br /> 6747 Sierra Court Suite J ProlectNumber Unocal#0187 Reported <br /> Dublin CA,94568 Project Manager Deanna L Harding 09-Mar-00 10 44 <br /> Volatile Organic Compounds by EPA Method 8260A <br /> Sequoia Analytical -Walnut Creek <br /> Reporting <br /> Analyte Result Lumt Units Dilution Batch Prepared Analyzed Method Notes <br /> U-7(WO02567-08)Water Sampled 22-Feb-00 12 51 Received 24-Feb-00 13 05 <br /> Ethanol ND 500 ug/1 I 0008023 07-Mar-00 07-Mar-00 EPA 8260A <br /> tert-Butyl alcohol ND 100 " <br /> Methyl tert butyl ether ND 20 " <br /> Di-isopropyl ether ND 20 " <br /> Ethyl tert-butyl ether ND 20 " <br /> tert-Amyl methyl ether ND 20 <br /> Surrogate Dibromofluoromethane 100% 50-150 " <br /> Surrogate 1,2 Dtchloroethane-d4 960% 50-150 " <br /> U-8(WO02567-09)Water Sampled 22-Feb-00 14 16 Received 24-Feb-00 13 05 <br /> Ethanol ND 500 U84 I 0008023 07-Mar-00 07-Mar-00 EPA 8260A <br /> ter#-Butyl alcohol ND 100 " <br /> Methyl tert butyl ether ND 20 <br /> Dr-isopropyl ether 24 20 <br /> Ethyl tert-butyl ether _ ND _ _ 20 " <br /> tertAmyl methyl ether ND 20 <br /> Surrogate Dibromofluoromethane 124% 50-150 <br /> Surrogate 1,2-Dtchloroethane-d4 110% 50-150 " <br /> YT n "TIM IZZ17 IW, A T-I. nn I' nL <br /> -V-) �..VVLJU lTiVf Y7 rl LGl—w7 ii 111,11CU .LL-�CU-VV 1J JO�l�tlLG1YtlLL LY-PGU-VV Id V.,J <br /> Ethanol ND 500 ug/I 1 0008023 07-Mar-00 07-Mar-00 EPA 8260A <br />- tert-Butyl alcohol--- — -- - - ----ND - - - 100 -- _- - - - — --- - - - — _ ---- <br /> Methyl tert-butyl ether ND 20 <br /> Dr-isopropyl ether -- ND 20 --- <br /> Ethyl tert-butyl ether ND 20 <br /> tert-Amyl methyl ether ND 20 " <br /> Surrogate Dtbromofluoromethane 104% 50-150 — <br /> Surrogate 1,2-Dtchloroethane-d4 108% 50-150 " <br /> Sequoia Analytical-Walnut Creek The results In this report apply to the samples analyzed to accordance with the chant o <br /> custody document This analytical report must be reproduced in its entire <br /> Page 10 of 22 <br />