NPR's Nell Greenfield-Boyce aired a strong piece about severe silica
dust hazards from frack fluid mixing.
"Sand From Fracking Could Pose Lung Disease Risk To Workers"
The piece features a lengthy interview with expert IH Eric Esswein,
who saw fracking operations up-close and the excess silica dust levels
he measured.
Read at: http://www.npr.org/blogs/health/2013/03/29/175042708/Sand-From-Fracking-Operations-Poses-Silicosis-Risk
