| 11. | Almost 80 percent of the world's vermiculite came from Libby.
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| 12. | He stares at the vermiculite he clutches in his hand.
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| 13. | "You wouldn't believe the dust from that vermiculite.
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| 14. | He asked for specific information about asbestos in the vermiculite.
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| 15. | Grace says that vermiculite from that mine is not tainted with asbestos.
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| 16. | All of Grace's Zonolite attic fill came from Libby vermiculite.
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| 17. | The mine also contained asbestos, which was embedded in the vermiculite.
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| 18. | Vermiculite is a unique, fireproof mineral that expands tenfold when heated.
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| 19. | MSHA is evaluating worker exposure to asbestos in vermiculite mines.
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| 20. | The location was where Virginia Vermiculite ore was loaded into rail cars.
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