Colloidal Silica in Lime

Question

How many companies using dry lime in the US have taken steps to determine the impact of the OSHA regulations on colloidal silica relative to their lime? How about those using purchased lime slurries?

Terry Scheurman · Answer

My bad. Should not have been colloidal silica but crystalline silica.

Paul Young · Answer

Can you please cite the regulation you are referring to?  Since colloidal silica is amorphous, it is generally exempt from the regulations that apply to the crystalline forms.

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