I was just thinking about this the other day.

This being - http://truth-out.org/opinion/item/21903-the-best-way-to-keep-our-water-safe

Watching another group of open train cars full of coal going up north on the BNSF line through Seattle, and unable to avoid breathing in all that coat dust.

This also came to mind -

http://content.sierraclub.org/press-releases/2014/01/major-victory-coal-dust-case-advances-against-bnsf-us-clean-water-act

MAJOR VICTORY: COAL DUST CASE ADVANCES AGAINST BNSF FOR U.S. CLEAN WATER ACT VIOLATIONS