The Allegheny County Health Department announced that Mobile Air Units will be deployed in the Mon Valley Thursday and Friday as part of an ongoing investigation into the deadly explosion at the U.S. Steel Clairton Coke Works.
PHOTOS: Explosion at U.S. Steel Clairton Works Plant
Provided by the Pennsylvania Department of Environmental Protection and Carnegie Mellon University, the mobile units aim to go beyond normal monitoring. Their assessments will look at pollutants like Volatile Organic Compounds, PM2.5 and sulfur dioxide…