Workers Suffer Lung Damage 25 Years After Exposed to Legal Levels of Asbestos-Like Material - By Laura Walter, Occupational Hazards
The “Libby vermiculite” was first suspected of causing lung damage in the late 1970s. Vermiculate, a mineral that expands to 20 times its size when heated rapidly, is used in gardening products, loose-fill home insulation and other consumer application. At one time, the Libby mine produced up to 80 percent of the vermiculite used around the world.
According to Lockey, consumers face minimal risk from most products that contain the Libby vermiculite, but he added that home improvements involving contact with vermiculite insulation be handled by professionals.