Page 125 - Radiation Safety

FACTORS THAT MODIFY RADIATION EFFECTS

2. Total Dose and Dose Rate

• The bigger is the total dose, the more severe is the effect

• Effects of dose rate:

• 10Sv, whole body, one shot, 100% death

• 10Sv, in two shots, 5Sv and 5Sv, within 48

hours time interval: Probability of death <

100%

• 10Sv, total dose, gradually over period of 50

years: No acute effect.