              Chemical Form Information for Ingestion Data

The ingestion data sets include multiple chemical forms for only a couple 
radionuclides.  The headers for the DRT and RSK files do not contain sufficient
information to sufficiently identify the particular chemical form.  This file
identifies the order of the considerations.

     Element    Order of Chemical Forms
     H          Tritiated water
                Organic bound
     S          Inorganic
                Organic
     Hg         Inorganic
                Methyl
                Organic
     Po         Organic
                Inorganic

Each radionuclide of an above element considers sequentially each of the
chemical forms in the indicated order.
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