E. Relative values of doses to the stomach, small intestine, and upper large intestine and lower large intestine are given in reference below. Vv. B. 2. The pertinent graph is reproduced here. DOSES TO THE THYROID A. According to references below 13.2 pc of intake are required on D + 3 days to produce one rad of dose to the thyroid from the isotope of iodine. 11 13.2 = 0.835 rads dose to the thyroid from this one day's intake. Sumnating from the lst hour for an infinity dose ylelds about eight rads total dose to the thyroid. Summating according to the graph (reproduced here) of reference below, from the lst hour for 70 years yields about eient rads total dose to the thyroid. 328 “Criteria for Zstatlishing Short Term Permissible Ingestion of Fallout Materiel", Dunnins, Sordon M. | FEE To be published.

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