Wednesday, October 20, 2010

Study: Mineral on ND roads can affect lungs

Study: Mineral on ND roads can affect lungs
http://www.crookstontimes.com/news/x1404223482/Study-Mineral-on-ND-roads-can-affect-lungs

"An asbestos-like mineral used on western North Dakota gravel roads can cause changes in workers' lungs consistent with commercial asbestos exposure that could lead to breathing problems, a study has found."

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