98 EFFECTS Ut ON ZING ihood of activity being trapped there. If the Huts contuminated, and it cannot be cleansed With regard ta the problen of dose rate. there is essentially ne ditfererce on etfeer of ugar cromeptey fv washing, clipping or shaving dose delivered overt few seconds. a few minutes ora few hours. peud rot be delayed. Tlowever a dose delivered aves several days or weeks sal be much less effect ve for some effects, thar will the same cose livered overa few mitites 635 de Some data ndie tte roughly asthe fourth root of the number of days Jose os given. thus. a ose oe livered over 16 dave would be one-half ss etter tive as the samme dose delivered over one aay These relationst: ps were worked out om animals using the so-called rer tangtlar” dose schedules. e, @., doses delivered af a constant rite ‘There are no data ava lible oad mm evaluating ade quately the effect of a constantiy ch caging dose rate as encountered Heston product tela Also, the relationship ~ were worked out sig apparently are dependent effects on total dese iad showlittle or no deper dence on dose rate. 6.34 The Effects of Beca Radiation From Fallout Extensive bets lesicus from fallout 1 bimean beings had not been encountered previous: As described in Chaprer LET. the lesions. mn elinteally and ft oistedogn all Were COUSISTENT with previous data on experomental burma animal beta ray our Several points shourd oe qiade rewarang ‘he beta lesions from flout radiations. eta oe sions of the skii ane depthution ean veer 4 the absence of lethal cones of garmmit rays io can be serious. Thus -teps should be tiken o 9 prevent them. Vneor would appene that. 4 reasonable preca tious they oun be prevented. or at least marked] reduced si severmta. Conte of the fallout with tie skincaun be prevented oo remaming withia sittabre ssefter or by ing ordinary Clethine prevented, encly wer [fa XPOS Ure Ore nGn ue be ever en Portrouda: Preil tse Emitters From Che fallout material can be inhaled or invested und it will, of course, contaminate ex- poseet food or water supplies. Thus, as with bert ourns the possibility of a hazard from this As with the beta burns, ~OUEOR OS possible. however, the problem may not be too serious tnd relatively simple measures will aid in minThe particle sizes of the hiiézing exposure. t Hout material probably will exceed the optiniad -ize for aimajor inhalation hazard. From tatcon he Marshallese exposed to fallout, it 1s tive stare where maximum probability of contamination of food and water supplies existed. if the hazard was minimum under those conditions. t should be even less under conditions of modern Amertean ving. With all of the resting of nuclear devices in Nevada and elseanhere, tie level of strontium, the most imporhor oosson preduet as far as internal hazard conee ned, is still only about L1000 of the oertssrble body burden as recommended by the Notional Committee on Radiation Protection in Nationa Bureau of Standards Handbook 52, tor udustrou workers 9). The problem should not be neglected. howUN eT, Toe etfects of internally deposited racio- ‘ eetive matertils may not become apparent for amaipy years and, thus, the problem in the Marchallese wilh not be fully evaluated for vears. lover. possible precaution against inhaling raor chive mitertial, or of ingesting contimuniited food aned water should be taken. Gras niasks Hhat efcrenthy remove fission product particles Som the vir ure available and even a wer cloth veroche fae is of considerable value for this fooese Sprrkline of an aren ois effective in uredr ad edacthe the amount of dust im the aie Pham Hero sep and water will remove a large of the skin and | suid prevent ar resser > should Internal oat Wie om plete decortrattiilar severtoy of the lessor s of exposed persons was small. This is encouragng, since these people lived ina relatively prim- longer-range effects such as cancer proquction, Crenetic Effects ~een that the degree of internal hazard in the acute effects, such as oO day mortal ty and tots not at all certa nn hew closely they apply to shortening of | fe spam, ets The Fallout that the effect of a co ven total dose decren~es over which the RALTATION if toe oF