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Sequoia <br /> Walnut <br /> N. CLane <br /> t Creek,.CAA 94598 <br /> I%ff FAX Analytical (925}988-96(9Z5)988-967373 <br /> 00 <br /> vettler Ryan,Inc.-Dublin Project: Unocal <br /> 6747 Sierra Court Suite J Project Number: Unocal SS# 11195 Reported: <br /> Dublin CA,94568 Project Manager: Deanna L.Harding 09-Sep-99 17:35 <br /> Volatile Organic Compounds by EPA Method 8260A <br /> Sequoia Analytical -Walnut Creek <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> MW-1 (W908271-02)Water Sampled: 11-Aug-99 15:55 Received: 12-Aug-99 14:25 <br /> Ethanol ND 25000 ug/1 50 9H25009 24-Aug-99 24-.Aug-99 EPA 9260A <br /> tert-Butyl alcohol ND 5000 <br /> Methyl tent-butyl ether 7100 100 <br /> Di-isopropyl ether ND 100 <br /> Ethyl tert-butyl ether ND 100 " <br /> tert-Amyl methyl ether ND 100 " <br /> Surrogate:Dibromofluoromethane 96.0% 50-150 <br /> Surrogate: 1,2-Dichloroethane-l4 94.0% 50-150 <br /> MW-2(W908271-03)Water Sampled: 11-Aug-99 14:05 Received: 12-Aug-99 14:25 <br /> Ethanol ND 500 ug/l I 9H25009 24-Aug-99 24-Aug-99 EPA 9260A <br /> tent-Butyl alcohol 450 100 11 " " <br /> Methyl tert-butyl ether 1401} 100 TT50 26-Aug-99 A-01 <br /> Di-isopropyl ether ND 2.0 1 24-Aug-99 " <br /> F thvl tett-butyl ether ND 2.0 T, <br /> methyl ether 4.3 2.0 " <br /> Surrogate:Dibr•oniofluoronrerhane 98,0% 50-150 <br /> Sin•r•ogate: 1,2-Dichloroethane-da 960% 50-150 " <br /> MW-3(W908271-04)Water Sampled: 11-Aud-99 15:00 Received. 12-Aug-99 14:25 <br /> Ethanol ND 5000 ug/l 10 9H25009 24-Aug-99 24-.dug-99 EPA X260A <br /> tent-Butyl alcohol 30000 1000 " " " <br /> Methyl tert-butyl ether 61000 1000 500 25-:lug-99 " <br /> Di-isopropyl ether ND 20 10 24-.dug-99 " <br /> Ethyl tert-butyl ether ND 20 " <br /> tort-Amyl methyl ether 340 20 " <br /> Surrogate:Dibromoflrrorometlrane T 96.0% 50-150 " <br /> I <br /> Surrogate: 1,2-Dichloroefhane-,rN 94.0% 50-150 <br /> I <br /> E <br /> 4 <br /> 4 <br /> Sequoia Analytical- Walnut Creek The rexults in IM.v report apply to the srunples analy_ed in rccordrmce with the Glenn of k <br /> custody docrunenr.Thi,v analwical report nrrrst he reproduced in is entirety. <br /> � I <br /> Y <br /> u e c b ey, ro�ect Ma ger <br /> Page 2 of 7 <br /> f <br /> E <br />