Announcements and Key Topics

Five Year Review

EPA is reviewing the remedy for areas that have already cleaned to see if the remedy continues to function as it should, protecting human health and the environment. EPA is evaluating all operable units except the former mine site (OU3). Are you interested in sharing information about the cleanup’s effectiveness in an interview?

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Background

Gold miners discovered vermiculite in Libby in 1881. In the 1920s, the Zonolite Company formed and began mining the vermiculite. In 1963, W.R. Grace bought the Zonolite mining operations. The ...
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