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Appendix A- Images of Fly Ashes

**Figure 5:** Initial BSE two-dimensional image of French fly ash. Image is approximately 250 µm x 200 µm.
$\begin{figure} \special{psfile=FAFdL002.ps hoffset=-80 voffset=-630 vscale=100 hscale=100 angle=0} \vspace{15.6 cm}\vspace{0.12in}\end{figure}$

**Figure 6:** Final segmented two-dimensional image of French Municipal Solid Waste Incineration fly ash. Phases are color-coded as: red, S; blue, AS; green, *CAS*₂; orange, *CaCl*₂; aqua, anhydrite; and white, inert. Image is approximately 500 µm x 400 µm.
$\begin{figure} \special{psfile=FA002_fin.ps hoffset=-80 voffset=-630 vscale=100 hscale=100 angle=0} \vspace{15.6 cm}\vspace{0.12in}\end{figure}$

**Figure 7:** Final segmented two-dimensional image of Class C fly ash containing C₃A. Phases are color-coded as: red, S; blue, AS; green, *CAS*₂; orange, C₃A; aqua, anhydrite; and white, inert. Image is approximately 250 µm x 200 µm.
$\begin{figure} \special{psfile=FAdaleD001_fin.ps hoffset=-80 voffset=-630 vscale=100 hscale=100 angle=0} \vspace{15.6 cm}\vspace{0.12in}\end{figure}$

**Figure 8:** Final segmented two-dimensional image of Class F fly ash. Phases are color-coded as: red, S; blue, AS; green, *CAS*₂; orange, C₃A; aqua, anhydrite; and white, inert. Image is approximately 250 µm x 200 µm.
$\begin{figure} \special{psfile=FAdaleE001_fin.ps hoffset=-80 voffset=-630 vscale=100 hscale=100 angle=0} \vspace{15.6 cm}\vspace{0.12in}\end{figure}$

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