The manual focuses on "expedient" civil defense—making what you need with what you have.

Nuclear War Survival Skills (Upgraded 2012 Edition) - Amazon.com

: Learn to build expedient fallout shelters , such as trench shelters or basement upgrades, using earth as shielding.

The primary resource for nuclear preparedness is the book by Cresson Kearny. Originally developed at the Oak Ridge National Laboratory , it provides field-tested instructions on how to survive a nuclear attack using common household items. Core Survival Strategies from NWSS

Use techniques like filtering fallout-contaminated water through layers of earth and clay.

: Plans for a Kearny Air Pump (KAP) , a manual fan used to provide filtered air to crowded shelters. Essential Supplies Checklist