January 6, 2018
Prescott resident Tom Howell uses a scintillator to read the level of radiation emitting from rocks in the Granite Dells. The granite in the Dells have been recorded as containing up to 40 ppm uranium. (Max Efrein/Courier)
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Mitigating exposure to radioactive gas
It’s clear why developers wish to build in and around the Granite Dells.