6.1 6.11 Introduction Significance of the | March Shot The events follow ng‘). frst shot deronaced wt the Pacitie prov ne grounds aia E95k le seribed tn this repo. sersed fo emphasize + ew problems resulting fron the cme of atemile wenpons. These ditferen effects, the impor tanee of Which was onty \curness apprecimied before, were brought ii te shar) present episode. hoipter the medink Tr thus problems associated woth fae discussed. tv weapons or nuclear foes bv he ine ef atomic renetor aeciderts wilh be Th: part cuiar proolems ese ented with lirge sonle tullout. as they vere brought ont a1 the preset oxperience and as they may pertain toe the | mcane and plauin oe of civil defense, the nibtary od indastiies en ploving nuclear pov er a | he disenssed. Tin man radiation injury ress it ne from expose to fallout and other nuclei midiatioaus will be ie lo reported here are not necessarily typical tf ootential fallout situations in the future. It ~ fear, however, that the cardinal effects to be expected from fallout radiations, as exemplified “ota events deseribed in this report, are clearVoine- ean ve predicted with a reasonable dereef issnince b particular. this accident has emphasized 4 qegtieuiite nature of the fallout material ‘.toendered it vistblein manyareas. It should a ote anferred that serious fallout will necesot be osible under other conditions of detoriot. Aliso. tie chemical nature of the maerdtovndetum oxide} will be encountered in HA om tee arens of the world. Although, iv etated on Chapter TIT, the chemical action tothe farott material was considered to have cota buted ttle or none to the effects seen, the rorree of achesiveness of the material to skin mettoouranght he quite different with different desertbed, as well ~ murert tiougat on the diagnosis ana treat nest fothe dasense states resulting from expo-ure t these radbations fa dort qaatertad and in a colder climate where seatauer sould be minimal 6.12 4 2 Extrapolation of the Presenr Findings to The Effects of Kiloton Weapons More General Situations It must be emphasized that the larze exper imental nuclear devi e. the detonation of wach led to the exposure of Cuan bemgs to fallout radiations, Was exploded lose te the wromne oy a tropical coral ated under geologic and cee graphic conditions that ore sigmifeanthy ut ferent from most pepulited wrens of he world Each of these cond tions > ime of weno, heighe of burst. type of cerrai. weather ditions, presence or abser eof on eater under ot near the burst will oovieusiv mfluence marked the rate and extent «f can umination by falhoue and the particle <ize and fallout matersal, cussed iit otficrad therefore, that the med nature oat the “These: tars dive heer plese vege ‘4 obser ee It li- fable ws Pe 4 ‘., 1 Blast and Thermai Effects Jefore the problenis of fallout associated with negaton weapons are ciseussed in detail, the Heat oo efects of kiloton weapons will be rewedi efly fer contrast. Theetfects of such vee pastis vive been considered! chiefly im the vested the comuanal ar 20 WT weapon deto© fees toetrathe am, On. The blast and heat etle ts hive been treated thoroughly by Ouyghhese cetoal cbt ane little additional comment recuered bere Blast and heat accounted for "hv det THE POTHEY fhe mv Oye of serious casualties ned Nagasaki ieidents. in the It should lfederit. owever, that i cittes with more to] dwellings than were present "5 in