Plant Workers Exposed to Vermiculite Ore from Libby, Mont., Shown to Have High Rate of Chest Wall Abnormalities
May 24, 2005
More than one-quarter of tested workers at an Ohio manufacturing plant historically exposed to asbestos-containing vermiculite ore exhibited signs of scarring of the chest wall lining, or pleural plaques, which are usually considered markers of previous exposure to asbestos fibers, according to research from the University of Cincinnati College of Medicine.