Maxizam Dose (Based oa Attenuation Effective me natedAate Belogleal ¥Woathering Dose Factor Balegieal Reesy) Faster... —Zaster (Colum (almasad) Prom time ef fallout until time of evacuation From time ef svacu- ation to time of return* Prom tine of return to a time 15 days after initial fallout** From 15 days until one year after initial fallout 11 V2 1/2 34 Ws /aeer 4 3/6 1/aeen 3 V2 | V3 : *This estimate is based on the concept that if eveenation vere accomplished, then a certain radiation dese would be accumilated over the period of time selected. This tins : radiation dose saved if evacuation years accomplished. has no unique significance other than providing a basis om uhich to eatinate the biological factor. *89The value of 9/16 has been rounded off to 1/2.