¢ fonts - wea t a. Lo . : rs ae *pendix i to Annex Gov . “ < wo, . ~ Hazards Resulting,from Atomic Bomb Explosions ° ' : le Nature of Hazards ae When. an atomic bom explosion o: ccurs ’ tremendous quantities of energyin a variety ef forms are released. This energy is propagated out= ward in all directions, _ ee oo. >. “The immediate reaction is intense emission of ultraviolet, visible ~~ and infrared (heat) radiation, gamma rays and neutrons. -** -- This is accom panied by the formation of a large ball of fire. A large part of the energy from the explosion is emitted as a shock wave, The ball of fire ‘ produces a mushroom-shapped mass of hot gases, the top of which rises yapidly. In the trail below the mshroom cap, a thin columis left. The . ¢loud and colum are then carried downwind, the directionand speed being ~~ ’~ determined by the direction and speed of the wind at the various levels of ~ . alr from the surface to base of mushroom cap, Part of the.energy from the a -~ exposion results in an oceansurface wave which is considered. of minor|Seve ck. “nature rectly.to the Task Forces - a ot! S a ig a mat Ce 1personnel. ‘of ‘the Task Force will be ‘wel‘gutaide'<of the3range”. Of all hazards at the time of detonation, exceptfor the light from the me Fire . wall.* The light of expiosion is so intense that permanent injury .to <.: the eye mayresult:from viewingthe ball of fire-at-close range with the... 2 naked eye. or through. binoculars, Ordinary dark glasses will not. suffice | aE *“ and all personnel. who do not have the-special protective glasses, which «’ “will be issued in:Lintted. hunbers.rv etc 7.1, mast. be facing 386 2 degrees+ two time perioda..: Theprimary radiation which occurs at the time of the: = flash is compesed“of ¢gemma: Tays.and neutrons. Casualties may result fremthis primary adiation 4fthe exposure ‘eccurs within a certain range of.;: Broung.sere Secondary.Fadistion: ie dus to,‘activation of thesoil. ‘the-dotenaticay f expused:tobeta: partislosand. gamma-rays Gomingfromintused neutroni a activityinthe SAT‘and/or water,“andmyfission’ producta which mtgitar ‘have been deposited on the ground or inthe water, There may also be a‘2: __ potential alpha particle hazard fromthe unfissioned flesionable materials .