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Libby’s vermiculite legacy complicates debris cleanup, officials say
Summary
Officials warned that Libby’s historical vermiculite mining and asbestos contamination mean exposed soil must be sampled before removal; DEQ and EPA involvement could restrict work and handling requirements.
County officials told contractors that Libby’s history as a vermiculite‑mining area creates a special constraint for debris removal. Commission staff said material that looks like exposed fill or vermiculite must be sampled and tested before disturbances and that the county maintains an Asbestos Resource Program to manage sampling and certification.
"Libby was home to a vermiculite mine," a county official said, noting that earlier cleanup and long‑term operation and maintenance agreements with state agencies are in place. Officials said DEQ and EPA remain actively involved at sites where caps or stored fill have been exposed by erosion and levee failures.
Speakers said monitors will be trained to visually identify suspect material and to leave suspected hotspots alone for DEQ sampling. If material tests positive, the county has an asbestos cell at its landfill for appropriate containment and disposal; officials said handling procedures and certification will follow DEQ guidance.
