How much do silica levels vary in coal sourced from different areas?



  1. 0 Votes

    It appears as though they can vary pretty greatly.  A study done on coal from particular parts of China that have pretty high rates of cancer showed that the coal from those areas contained around 10 times more silica than that of U.S. coal.  This seems to be a pretty extraordinary case of different silica levels, though, so generally speaking, I imagine silica levels don’t vary nearly as much as this juxtaposition.

    Hope this helps!

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