The samples were analyzed for chelators, chelator fragments, and several carboxylic acids by derivatization gas chromatography/mass spectrometry (GC/MS). Four of the samples were from the upper region, or convective layer, of the tank and two were from the lower, nonconvective layer. Six samples of core segments from Tank 101-SY, obtained during the window E core sampling, have been analyzed for organic constituents. This report describes the status of developing analytical methods to account for the organic constituents in Hanford waste tanks, with particular emphasis on those tanks that have been assigned to the Flammable Gas Watch List.
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