| 11. | The company also experimented with the raw ore and the tremolite asbestos it contained.
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| 12. | There is no asbestiform _ anthophyllite or tremolite.
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| 13. | Grace called top executives together to tackle " the tremolite problem ."
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| 14. | The fibrous form of tremolite is one of the six recognised types of asbestos.
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| 15. | Tremolite asbestos constituted a contaminant of many if not all naturally occurring chrysotile deposits.
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| 16. | For eons, the tremolite lay undisturbed and harmless beneath a thin crust of topsoil.
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| 17. | The dust problem is particularly serious since the vermiculite ore from Libby contains tremolite asbestos.
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| 18. | EPA's response to the tremolite contamination in Libby has been immediate and comprehensive.
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| 19. | On both coasts, other EPA regions are also struggling to deal with tremolite contamination.
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| 20. | Grace had good reason by then to know what tremolite was doing to the miners.
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