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404 N Wiget Lane <br /> Sequoia Walnut Geek,CA 94598 <br /> (925)988-9600 <br /> Analytical FAX(9Z5)98&9673 <br /> ttler Ryan,Inc -Dublin Project Unocal <br /> ,¢747 Sierra Court Suite 3 Project Number Unocal SS#5886 Reported <br /> Uubltn CA,94568 Project Manager Deanna L Harding 14-Sep-99 17 49 <br /> 7 <br /> Volatile Organic Compounds by EPA Method 8260A <br /> Sequoia Analytical -Walnut Creek <br /> Reporting <br /> Analyte Result Lutist Units Dilution Batch Prepared Analyzed Method Notes <br /> MW-91(W908373-17)Water Sampled 16-Aug-99 15 10 Received 18-Aug-99 14-00 <br /> Ethanol ND 500 ug/1 1 9H31005 30-Aug-99 30-Aug-99 EPA 8260A <br /> ren-Butyl alcohol ND 100 <br /> t Methyl tert-butyl ether ND 20 " <br /> Dt-tsopropyl ether ND 20 " <br /> Ethvl tert-butvl ether ND 20 " <br /> tert-Amyl methyl ether ND 20 <br /> Surrogate Dzbromofluorornethane 102% 50-150 " <br /> Surrogate 12-Dtehloroethane-14 980% 50-150 " <br /> NEW-9D(W908373-18)Water Sampled 16-Aug-99 15 38 Received 18-Aug-99 14 00 <br /> Ethanol ND 300 uen 1 9H31005 30-3ug-99 30-Aug-99 EPA 8260A <br /> tert-Butyl ah ohol ND too - <br /> Metlnvl tert-butvl ether ND 20 " <br /> Di-t.opropvl ether ND 20 " <br /> Etiv,l tert-han I ether ND 2 0 " <br /> WAnivl meth%I ether ND 2 0 " <br /> -119-te Dthtontofluoromerhane 102 %a 50-150 <br /> Szrrrogare 1 ?-Dzchlotoethane-d4 104 Yo 50-150 " <br /> MW-ITIS(W908373-19)Water Sampit d 16-Aug-991337 Retei,,ed 18-Aug-99 la {ill A-01 <br /> Ethanol ND 500 u,-/l 1 9 H3100 5 30 aug-99 30-aug 99 EPS,.9260A <br /> tc.rt-Butvl ati-ohol ND 100 31-U1,99 " <br /> NILth',I tart-hut,-I ether 69 20 " <br /> Di-r,opropvl ether ND 20 <br /> Etli'd tart-butvl ether ND 20 " <br /> tett-Amvi tncth%I ether ND 20 <br /> .Surrogate Dthrontof&roromerhane 106% 50-150 <br /> Surrogate 1 2-Drchloroethane-d4 104% 50-150 <br /> Sequoia Analytical-WalnutCreek Tyrerewltrtodosreportapply mt1rrcunplestmcd►:rdrnr tor�mcrwiththeclxanof <br /> cuvocib document T1^s urrrlyncal repeat nrurt he reprrxluced in ter eMrery <br /> U C }' rUjt'Ct amg P tg� <br /> 11 tit 16 <br />