The EPA has long prohibited use of phosphogypsum in roads because it contains uranium and radium that produce radionuclides linked to higher risks of cancer and genetic damage. But for several years, ...
Despite once ruling that a substance called phosphogypsum was unsafe for use in road construction projects, the Environmental ...
The Environmental Protection Agency has long prohibited use of phosphogypsum in roads because it contains uranium and radium that produce radionuclides linked to higher risks of cancer and genetic ...