"Vermiculite was discovered in the mountains near Libby in 1919, and vermiculite mining quickly became the dominant industry in town. The mineral, which has many commercial uses, from acoustic tiling to insulation, is perhaps most widely known today as the small white bits mixed into potting soil. ... When WR Grace & Company acquired the mines in 1963, they were producing 80% of the world's vermiculite. However, the strain of vermiculite being mined was heavily contaminated with a number of asbestiform minerals that have come to be known as Libby amphibole mix." https://www.thelancet.com/journals/lanres/article/PIIS2213-2600(17)30048-6/fulltext
#asbestos #pottingsoil
AI6YR Ben /
npub1uc…k5a8g
2024-05-27 02:39:13
in reply to nevent1q…59q8
Author Public Key
npub1ucvqyws2udkt4kks7x50ghhrnfd0lyz7pfzzv0w9e5005sj77nmqwk5a8gPublished at
2024-05-27 02:39:13Event JSON
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