Under the Radar: Fracking Wastewater Radioactive from the Beaver Times 
"Moyer said he began transporting brine, the wastewater from gas wells that have been hydraulically fractured, for a small hauling company in August 2011. He trucked brine from wells to treatment plants and back to wells, and sometimes cleaned out the storage tanks used to hold wastewater on drilling sites. By November 2011, the 49-year-old trucker was too ill to work."