The story can be traced back to 1919 when companies first started pulling vermiculite out of mines in Libby.
Known commercially as Zonolite, vermiculite was used in a variety of construction materials including insulation for homes and buildings. Decades of mining the vermiculite exposed workers and residents to toxic asbestos dust.
When W.R. Grace & Company took over operation of the mines in 1963, they knew the vermiculite was contaminated with asbestos and that it caused health complications. But they didn’t warn anyone, so mining continued.
The mine closed in 1990, but the devastation caused by the mining industry in Libby didn’t gain national attention or receive government intervention until 1999 when the U.S. Environmental Protection Agency (EPA) stepped in and began to clean up the town.
The History Behind the Libby Tragedy
Vermiculite mining in Libby began more than 80 years ago when E.N. Alley bought the Rainy Creek claims and launched Zonolite Company. In 1963, the Maryland-based W.R. Grace and Company acquired Alley’s Zonolite business. By this time, vermiculite had been mined for more than 40 years in an area about seven miles outside of Libby.
Before Grace took over ownership of the mine, a number of employees developed lung problems and several fatalities were reported. Despite these health issues, the company claimed they were “unaware of the hazards of mining and milling vermiculite” when they purchased the business.
But W.R. Grace executives did know about the mine’s high level of tremolite asbestos dust and that exposure to the dust was damaging to the lungs, yet they never said anything to their employees.
Townspeople were also affected by the asbestos-tainted vermiculite, as Grace had distributed their leftover vermiculite for use in playgrounds, backyards, gardens, roads and a number of other popular locations in the town.
While the asbestos was circulating in the air around the mine, it also was included in baseball fields and other areas where children and citizens commonly spent their time.
The Nation’s Response to a Story Finally Exposed
When the Seattle Post-Intelligencer wrote a series of articles about Libby in 1999, titled “Uncivil Action: A Town Left to Die,” the story of the people of Libby finally gained national attention. The EPA set up an information center in Libby to address the problem.
What followed is the largest, longest-running asbestos cleanup project in American history. Clean up began slowly at first as EPA workers identified the sources of contamination and began an extensive Superfund investigation.
It was a project unlike any that the EPA had ever seen. Vermiculite needed to be removed from Libby homes and businesses and the mine site needed to be addressed. Contamination of natural resources demanded a large scale investigation as well. Libby was finally placed on the Superfund list in 2002.
In 2008 Grace was ordered to provide $250 million to cover future clean-up costs. The EPA declared a Public Health Emergency in Libby, a first for the agency. By 2018, the EPA’s cleanup efforts finally began to wind down.
The EPA investigated more than 8,000 properties and completed cleanups at 2,600 sites, including schools and parks, the former vermiculite processing plants and other contaminated public areas.
The Montana Department of Environmental Quality will assume management of the Superfund site in January 2020.
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Libby Asbestos Lawsuits & Settlements
Thousands of Libby residents and former Grace & Co. mine workers have filed lawsuits against the state for a failure to warn them of the dangerous levels of asbestos contaminating the vermiculite mine.
In 2011, a district court judge approved a $43 million settlement with more than 1,300 plaintiffs. An estimated 200 of those plaintiffs began receiving their portion of the settlement in 2012, more than a decade after the first lawsuit was filed.
The second major payout came in January 2017, when more than 1,000 people were awarded a $25 million settlement.
Montana agencies continue to claim that the state had no legal obligation to provide warning of the mine’s dangers.
2 Cited Article Sources
The sources on all content featured in The Mesothelioma Center at Asbestos.com include medical and scientific studies, peer-reviewed studies and other research documents from reputable organizations.
Peacock, A. Libby, Montana: Asbestos & the Deadly Silence of an American Corporation. Boulder, Colorado: Johnson Printing, 2003.
United States Environmental Protection Agency. (2017, January 25). EPA Superfund Program: LIBBY ASBESTOS SITE, LIBBY, MT.
Retrieved from: https://cumulis.epa.gov/supercpad/cursites/csitinfo.cfm?id=0801744
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Last Modified August 12, 2019