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404 N Wiget Lane <br /> Sequoia Walnut Creek,CA 94598 <br /> - - - - - - - - (925)98&9600 <br /> Arialytical -- - - - -- - FAX(925)988-9673 <br /> Gettler Ryan,Inc -Dublin Project Unocal <br /> 4747 Sterna Court Suite J Project Number Unocal SS#5886 Reported <br /> Dublin CA,94568 Project Manager Deanna L Harding 14-Sep-99 t749 <br /> Volatile Organic Compounds by EPA Method 8260A - <br /> Sequoia Analybeal -Walnut Creek <br /> Reportmg <br /> Analyte Result Lmut. Units Dilution Batch Prepared Analyzed Method Notes <br /> MW-1(W908373-02)Water Sampled 17-Aug-99 12 10 Received 18-Aug-99 14 00 <br /> Ethanol ND 500 ug/1 1 9H31003 30-Aug-99 31-Aug-99 EPA 8260A <br /> cert-Butyl alcohol ND 100 <br /> Methyl tert-butyl ether 80 20 ^ " <br /> Di-nsopropYl ether ND 20 » » ^ <br /> Ethyl tert-butyl ether ND 20 <br /> tert-Amyl methyl ether ND 20 ^ <br /> Surrogate Dtbromofluoromethane 106% 50-150 ^ <br /> Surrogate l 2-Dichloroethaned4 106% 50-150 <br /> MW-2(W908373-03)Water Sampled 17-Aug-99 12 42 Received 18-Aug-99 14 00 <br /> Ethanol ND 50000 u--/l 100 91-131005 30-Aug-99 31--lug-99 EPA 8260,x. <br /> ten-Butvl al-ohol ND 10000 " <br /> Methvj tert-Ifutvl ether 13000 200 " <br /> Di-uoprop%I ether ND 200 <br /> Eth%l tort-but%I ether ND 200 <br /> t,rt-Atm l meth%I ether ND 200 <br /> Jtutogate Drhtontofhtotometltaue 106% 50-150 <br /> 5imogate 12-Dtchlotoethatre-(14 104% 50-150 <br /> MW-3(W9083734)4)W-ktLr Sampled 17-Aug49 13 16 RLLLV,ed 18-Aug;-99 t4 011 <br /> Ethanol ND 100000 uJl 200 9H31005 30-Aug-99 31-au5-99 EPa8260A <br /> tt t-Butyl alcohol ND 20000 " <br /> M4-th%l tErt-buti t Lthcr 17000 400 <br /> Di-tatpropvl ether ND 400 " <br /> Eth%l tort-hut%I t-ther ND 400 <br /> tLrt-Amvl rnethvl ether ND 400 <br /> Sttttogate Dihtontoflrtoromethane 102% 50-150 <br /> Simogate 1 2-Dichlotoethane-l4 106% 50-150 <br /> Secluoto Analytical-Walnut Creek The touchy to th,+report apply to Ile xwtpler tmuli_edtn uccordmce with the chan.tf <br /> cuvody daeuntent Thty atrrlyacad report murt be reprrxlacedtn to a utrety <br /> T <br /> 141-y, Prnjec t anag. <br /> p ry4 6 of 16 <br />