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• Toxicological Review of Libby Amphibole asbestos (PDF) (685 pp, 8.5 MB)
• Libby Amphibole asbestos IRIS Summary (PDF) (35 pp, 381 K)
• Press Release: EPA Finalizes Libby Amphibole Asbestos Health Assessment/Risk assessment shows EPA cleanup has reduced cancer and non-cancer risks in Libby and Troy
• Fact sheet and frequent questions for the Libby Amphibole asbestos assessment:
  • Science in Action: IRIS Final Assessment of Libby Amphibole asbestos (PDF) (1 pg, 276 K)
  • Libby Amphibole asbestos Frequently Asked Questions (PDF) (3 pp, 276 K)
• EPA Region 8 Libby Asbestos (main website for additional information)
  • Libby Asbestos: Human Health Risk Assessment