This aerial photo taken from an airplane shows a reservoir near the old Piney Point phosphate mine on April 3, 2021, in Bradenton, Fla. Florida may begin to study whether a radioactive waste byproduct of fertilizer production, phosphogypsum, can be used to help build roads, under a bill passed by the state Legislature in May 2023. (Tiffany Tompkins/The Bradenton Herald via AP) **FILE**
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