"The Environmental Protection Agency (EPA) has withdrawn a 2020 rule that would allow a radioactive substance in some road construction.
The October 2020 rule allowed the use of phosphogypsum, a substance generated by phosphate fertilizer production. The waste product is kept in 13 predominantly southeastern states, where the majority of the construction would have occurred.
Between 1989 and the Trump-era rule, the EPA required that all phosphogypsum be stored in “stacks” that experts and activists said would release dangerous amounts of radon gas if dispersed. In Florida alone, 1 billion tons of the substance are stored in 25 stacks, one of which recently leaked millions of gallons into a wastewater reservoir near Tampa Bay."
Source: The Hill, 07/05/2021
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