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Asbestos legacy in Libby complicates debris cleanup; county to rely on ARP/DEQ sampling
Summary
Officials emphasized Libby’s vermiculite/asbestos legacy requires pre-disturbance sampling, ARP/DEQ oversight and special handling; contaminated material will go to a designated asbestos cell while clear debris may go to the county landfill.
Several speakers at Lincoln County’s debris-removal meeting flagged the community’s vermiculite mining legacy as a primary constraint on cleanup operations, saying exposed soils in some areas must be sampled and cleared before contractors may disturb or transport material.
Commissioner Brent Tesky recounted the town’s history with vermiculite and asbestos and warned that erosion exposed capped or buried material: "Libby was home to a vermiculite mine... as they were mining that over the years they mined through layers of... asbestos," he said, noting that some capped fill has become exposed by erosion.
County staff and contractors agreed the Asbestos Resource Program (ARP) and DEQ/EPA will play lead roles in sampling and certification. The county said DEQ/DEEQ would likely conduct or oversee testing and that ARP maintains a database of previously tested or remediated properties. Officials emphasized that visual monitoring by trained monitors will identify suspected "hot" loads and DEQ will step in to test and direct handling.
Disposal and handling: county staff said that material certified as clean may be processed and accepted at the county landfill, while material that tests positive for asbestos would be handled in the landfill’s asbestos cell. The county described operation-and-maintenance procedures tied to prior cleanup settlements and said wetting exposed soils is an important protective measure during disturbance.
Training and contractor roles: training levels for monitors and haulers will be determined by ARP/DEQ and will vary by contractor role; the county said it will follow up to confirm whether training imposes out-of-pocket costs on bidders. "The level of training will be determined by the contract and how the award is issued," a county representative said.
What remains unresolved: which specific parcels will require special sampling, whether DEQ or contractors will perform testing in every case, and how contractors should budget for training or testing contingencies. County staff said they will provide clarifications to proposers and coordinate with DEQ, EPA and ARP before field work begins.
The meeting produced no formal policy action; sampling and cleanup methods will be set through permit approvals and interagency coordination.
