TABLE SOME POSSIBLE BIOLOGICAL EFFECTS FROM RADIATION DOSES ‘y TO SPECIFIC ORGANS * Dose Gastrointestinal Thyroid Tract (Rads) Bones et Minor changes in 10,000 —rstructure AL t . —r Tumor production Permanent or serious damage -- survival threatened 1,000 Tumor Production Minor changes in structure Immediate effects such ———po as nausea and vomiting Potential carcinogenic dose to thyroids of few percent of children and adolescents 100 —a *Lesser short term effects would be expected from the same doses distributed in time. ~ 40 -

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