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Sequoia 404 N WrLane <br /> Walnut Creels CAA 94598 <br /> 4 (925)988-9(x00 <br /> Analytical FAX(925)988-9673 <br /> ettler Ryan,Inc -Dublin Project Unocal <br /> 6747 Sierra Court Suite J Project Number Unocal SS# 5886 Reported <br /> Dublin CA,94568 Project Manager Deanna L Hardlna I4-Sep-99 17 49 <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-7D(W908373-11)Water Sampled 17-Aug-99 08 05 Received 18-Aug-99 14 00 <br /> Ethanol ND 500 uwl 1 91131005 30-Aug-99 31-Aug-99 EPA S260A <br /> tert-Butyl alcohol ND 100 " <br /> Methyl tert-butyl ether ND 2 0 " <br /> Di-isopropyl ether ND 2 0 " <br /> Ethyl tert-butyl ether ND 2 0 <br /> tert-Amyl methyl ether ND 2 0 <br /> Surrogate Dibromofluoromedrane 108% 50-150 <br /> Surrogate I 1-Dwh1oroethaned4 108% 50-150 " <br /> MW-7S(W908373-12)Water Sampled 17-Aug-99 08 35 Received 18-Aug-99 14 00 <br /> Ethanol ND 500 ua/1 l 91131005 30 Aug-99 31-Aug 99 EP-18260,E <br /> tort-BUtN 1 dlLohol ND 100 " <br /> Meth41 tent-but,.l ether ND 2 0 " <br /> Di-iNoprop%I ether ND 2 0 <br /> Cth%I tart-bw%I tether ND 2 0 <br /> tart-Ann i mzth�,1 LthLr ND 2 0 <br /> turn}'rite Dtbionrrfheoronrethutre 106%% 5f)-150 <br /> Sunogrite I 1-Dichloroetharre-4 106% 50-150 <br /> MW-8S(W9(18373-13)Watur SampiLd 16-Aub 99 11 56 RCLL'Red 18-Aug-J7 14 Ill) <br /> 1 <br /> Ethanol ND 500 ug/l l 91E31005 30-Aug-99 30-Au&-99 EP 9260� <br /> tort-But,,1 dlLohoI ND 100 <br /> Methvl tort-butvl ethLr ND 2 0 " <br /> Di-v,opropA ether ND 2 0 " <br /> rthrl tLrt-but%I ether ND 2 0 <br /> t.-rt-Arnv1 methyl ether ND 2 0 <br /> Srttrogate Dibrontofluorometharte 980% 50-150 " <br /> Surrogate 12-Dichloroethane-J4 920% 50-150 <br /> Sequota Analvtical - Walnut Creek Thertwtis in tlas mportapply to fir ucnple%emah_edtnrccordrmcewith the clranof <br /> cttstrrdv&xtintent This analytical repart must he reprminced fn ttr enfrrety <br /> 0 <br /> U t. t E Cv C4�tLt diia' PagL 9 ill 16 <br />