The citation below sums up the article. The label hazardous is enough to ban it. The same applies to coal sludge piles. The sludge can be used to make concrete for roads and in the solidified form would not be hazardous, but perception of the original classification has stopped it. I am sure the nearby Kingston coal sludge spill has not helped. Regulations of hazardous material can be a bit confusing at times depending on CFR. I did an Army Corp of Engineers where we were digging up radioactive soil that barely met the requirements for occupational exposure. When packaged and loaded in rail cars it did not meet the hazardous material criteria for transportation. It did meet the criteria for hazardous material for burial and had to go to an approved landfill. Many household products care shipped as hazardous. Perception is reality.
EPA Approves Use of Radioactive Industrial Byproduct for Roadway ProjectThat dramatically increases the potential for harm to our road crews and water quality,” Whitlock said.
“The EPA has bowed to political pressure from the phosphate industry and paved the way for this dangerous waste to be used in roads all over the country,” the attorney contended.
https://www.msn.com/en-us/news/us/epa-approves-use-of-radioactive-industrial-byproduct-for-roadway-project/ar-AA1wCClV