Vermiculite Respiratory Disease and Asbestos Exposure in Libby Montana: Update of a Cohort Mortality Study

摘要

Background Vermiculite from the mine near Libby, Montana, is contaminated with tremolite asbestos and other amphibole fibers (winchite and richterite). Asbestos-contaminated Libby vermiculite was used in loose-fill attic insulation that remains in millions of homes in the United States, Canada, and other countries.