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USPS Asbestos Mailbags: The Fireproof Postal Experiment That Hid a Risk

4:14 Published April 27, 2023

USPS asbestos mailbags were once promoted as a fireproof solution for protecting airmail from plane crashes and fires. Attorney Justinian Lane explains how these historic postal bags were designed, why asbestos seemed useful at the time, and how a fire-resistant mailbag could also create a hidden exposure risk.

You’ll learn:
- Why early airmail created new fire-protection concerns
- How USPS tried to protect letters from crash-related fires
- Why asbestos was chosen for fireproof mailbag construction
- How canvas mailbags could contain asbestos cloth inside
- Why old asbestos-lined postal bags may pose a health hazard

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This page is provided for general informational purposes and does not constitute legal advice. Every asbestos case turns on its own facts, exposure history, diagnosis, deadlines, available evidence, and applicable law. Reviewing this page does not create an attorney-client relationship. For advice about your specific situation, call 833-4-ASBESTOS for a free case review.