Colloidal Silica in Lime

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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?

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2 Answers

  2. 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.