LIBBY ASBESTOS SITE
Superfund Site Profile
Announcements and Key Topics
(April 10, 2019) EPA announces the deletion of Operable Unit 2 (OU2), the Former Screening Plant, of the Libby Asbestos Superfund site from the National Priorities List. EPA and the Montana Department of Department of Environmental Quality have determined that all appropriate response actions at OU2, other than operation and maintenance and five-year reviews, have been completed.Continue reading announcements and key topics »
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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