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Sequoia 404 N 1hlLane <br /> Walnut Creek, CAA 94598 <br /> (925) 988-9600 <br /> z Analytical FAX (925)988-9673 , <br /> Gettler Ryan,Inc -Dublin Project Unocal <br /> 6747 Sierra Court Suite 7 Project Number Unocal#10187 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 Linut Units Dilution Batch Prepared Analyzed Method Notes <br /> NP-2-22(WO02567-14)Water Sampled 23-Feb-00 11 41 Received 24-Feb-00 13 05_ - <br /> Ethanol ND 500 ugn 1 0008023 07-Mar-00 08-Mar-00 EPA 8260,k <br /> tert-Butyl alcohol ND 100 <br /> Methyl tert-butyl ether ND 20 <br /> Dt-isopropyl ether ND 20 <br /> Ethyl tent-butyl ether ND 20 <br /> tert Amyl methyl ether ND 20 <br /> Surrogate Dibromofluoromed:ane 980% 50-150 <br /> Surrogate 1,2-Dichloroethane-d4 104% 50-150 " <br /> NP-2-60(WO02567-15)Water Sampled 23-Feb-0012 26 Received 24-Feb-00 13 05 R-05 <br /> Ethanol ND 2500 uO 5 0008023 07-Mar-00 08-Mar-00 EPA 8260A <br /> tert-Butyl alcohol ND 500 " <br /> Methyl tert-butyl ether ND 10 <br /> Di-isopropyl ether ND 10 <br /> Ethvi tert butyl ether_ _ ND 10 <br /> tert-Amyl methyl ether ND 10 " <br /> Surrogate Dibromofluoromethane 100% 50-150 " <br /> Surrogate 1,2 Dichloroethane-d4 880% 50-150 " <br /> �. _L nn 1Z AL - <br /> (W ,w2+ <br /> Uu1567-i6) <br /> ater.Sampled 23-reo-06.11 H-Re4civcd -rTe'": <br /> Ethmol ND 500 ug/l. Z 0008023 07-Mar-00 08-Mar-00 EPA 8260A <br /> W 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 102 % 50-150 " <br /> Surrogate 1,1 Dichloroethane-d4 100% 50-150 " <br /> Sequoia Analytical-Walnut Creek The results in tins report apply to the samples analyzed in accordance with he chains <br /> custody document Tins analytical report must be reproduced in its entire <br /> Page 12 of 22 <br />