>In the past 30 years, the biggest coal seams were mined out in Appalachia, leaving thinner seams coursing through sandstone.

...

>And because there's no coal, it is considered development mining or construction. So sampling the air for toxic dust is not required, even though it is the most dangerous dust. Former MSHA officials told us some inspectors did it, but most did not.

Hopefully the lawsuits cost them. However the folks that make these decisions never see the consequences; they've taken their bonuses and gone by now. Furthermore the mine doesn't pay for medicare. We all do.