W. R. Grace

W.R. Grace was founded in 1854 and is headquartered in Columbia, Maryland. In 1963, W.R. Grace bought an asbestos-containing vermiculite mine in Libby, Montana. This mine produced around 200,000 tons of asbestos-containing vermiculite per year for use in construction work. Throughout the 1900s, W.R. Grace manufactured asbestos-containing products primarily for construction workers. This included insulation, […]

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