pow ae Ae. “tle A population of 550 was assumed taebenmthe one that may move back to am ~isiemd. Values for other initial populations may-pe’“odtained vy ratios of.the results. tome The total population at the end of 30 years is given by the compounding equation: P39 = 550 (140.038)2° = 1684 The number of births in 30 years are given by: 30 B= ooteso | (1,038)* dx 0 . where x is the time between 0 and 30. " . 0042x550 in 1.038 Bo: - This gives 30 .. [1.038°--ii = i277 Similarly, the number of deaths in the 30 year psriod would be: 39 Deaths = 0.0054x550 (1.035)" x dx 0 0.0054x550 Deaths = =o int.038 One other seem needed A btm [T.038° «7-93 2s . 30 ~1) = 154 is the reduction in 30 year dose to those te . 4 born after the return because of tne decrease in radiation levels and the smaller amount of time in the 30 year period that is spent on the island. For this, the total ronulation dose for thos born after returning assuming an initial dose rate of 1 rad/year is given dy