LIBBY ASBESTOS SITE
Superfund Site Profile
Announcements and Key Topics
EPA Releases Second Five-Year Review Report. This document assesses the status and protectiveness of all Operable Units in the site, except Operable Unit 3, the former vermiculite mine. The five-year review concluded that the remedies for OU1, OU2, OU4, OU6, OU7 and OU8 are protective of human health and the environment. The OU5 remedy is considered protective in the short ...
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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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