https://nextcity.org/features/as-west-chicago-cleans-the-last-of-its-nuclear-co… Created Tue, 20/09/2022 - 21:00 Updated Tue, 20/09/2022 - 21:00 A local factory was once the largest producer of thorium in the world. This fall, the “radioactive capital of the Midwest” is doing one last cleanup.