“Three foot of soil over you and a HEPA vent with a 180 elbow so it faces down. Potassium iodide pills help to. Fills up your thyroids so that there’s no room for radioactivity to get into them. NukePills.com has been around forever.”
But that was paranoid thinking to get them. By the way, mine are good for another 2+ years.
I just ran across some recently but they’re long expired.
and if you don’t have a spot to get 3 foot underground, seal up all windows and other openings with plastic and hunker down for a few weeks. The half life is pretty short.
Page 487 start with various viruses and biological attacks, and nuclear is page 496 of this 500 page Preparedness Manual. https://permasteader.com/cloud/index.php/s/3zE85pj87R7bPBc
Expedient Nuclear Shelters was put out by the military back in the day. Should be easy to find online.
Here’s one - http://www.ki4u.com/free_book/s73p930.htm
That site has tons of info on all things nuclear bomb related. http://www.ki4u.com/
http://www.ki4u.com/products1.php (to order ki, call)