RESUMO
In the U.S. should be subjected to nuclear attack in the near future your SURVIVAL would basically depend on YOU. Getting a properly-equipped shelter will be your responsibility. And if you can't make it to a public shelter, then it will all depend upon you. How much protection do you need? It depends on how high the radiation levels are outside. We know that 100-200 roentgens (a radiation measurement) will make the average person ill and that 200 to 450 roentgens will cause death to less than 50 percent of those exposed. Different shielding materials of different thicknesses will reduce radiation exposure by different amounts. If you are the average U.S. citizen you probably won't do much about a shelter until you get the warning (can be 10 minutes to 7 days before attack). So, you will have to improvise a shelter if there is no way to get to a public shelter
Assuntos
Refúgios Predeterminados , Medidas de Segurança , Planejamento em Desastres , Liberação Nociva de Radioativos , Decoração de Interiores e Mobiliário , Contaminação Radioativa , Guerra Nuclear , Raios gama , Fatores de RiscoRESUMO
The purpose of this article is to show by a single, simple example how effectively ordinary earth can reduce the penetration of gamma radiation into a buried shelter. It is possible, and not beyond reasonable attainment, to have a fallout shelter so well shielded that the radiation levels inside the shelter will be less than ordinary, day-to-day radiation levels, even when the ground above is covered with an extremely heavy pile-up of radioactive falllout. If the radiation intensities at the surface above the shelter are as high as 10,000 R/hr, the radiation intensity in the shelter can be kept bellow 0.01 mR/hr (mR is an abbreviation for "milliroentgen", which is one-thousandth of one roentgen). This low radiation level is equal to the average U.S. natural background radiation level at the earth's surface. The reduction in radiation intensity from 10,000 R/hr at the surface to 0.01 mR/hr at the surface to 0.01 mR/hr in the shelter can be obtained with about 8 ft. of earth above the shelter ceiling and a well-designed extranceway