Cement waste form (CWF) technology is among the leading approaches to disposing of metals and liquid
low-level nuclear waste in the United States. One such material, saltstone, includes slag, fly ash and
Portland cement to enhance the immobilization of contaminants (e.g., Cr, 99Tc) in alkaline liquid wastes.
To evaluate the stability of such redox sensitive contaminants in saltstone, the effects of slag as a source
of reductant on Cr immobilization was evaluated in aged (