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Public domainLast verified 2026-09-01

Planning Guidance for Response to a Nuclear Detonation, 3rd Edition

FEMA (with interagency partners)

Authoritative guidance on surviving the first 24-72 hours after a nuclear detonation — shelter zones, fallout timing, get-inside/stay-inside/stay-tuned. High-anxiety topic with almost no reputable free competition; strong differentiator.

Editor's notes

Written for state/local planners, not laypeople — pair with a plain-language summary in-app. Do not modify and present as official FEMA guidance.

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PDF

~10-15 MB (mirror at https://remm.hhs.gov/PlanningGuidanceNuclearDetonation.pdf)

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Source & license

US federal government work (public domain).

Use of this material does not imply endorsement by its publisher or any government agency.