CHAPTER V FINAL SUMMARY AND CONCLUSIONS Since the dose rate by our own measurements at the time of our arrival was so small as not to permit any tenable cAlculations on this basis, the Japanese data was used in all calculations utilized in arriving at our conclusions. 1. The Japanese data showed that their highest dose-rate reading was only fifteen times their background readings as recorded during the early part of their voyege. 2. The relatively low cumulative gamma: readings recorded on the SATUMA dosimeter do not necessarily indicate a true dose. It is entirely probable that rediation leakage of the instrument accounted for a large portion of the recorded dose. If accepted as real, it in- dicates a total dose of 50 milliroentgens between the dates July 8-19. 3. _ The radiation dose rates on both the TAKUYO and SATUMA at the time of monitoring were found to be substantially identical. The decontemination measures carried out on the TAKUYO were effective in reducing the radiation level to essentially background. 4. Japanese date maximizes the whole body gamma dose inas- much as the scintillation probe was held almost in contact with the deck. Similarly our radiation monitoring data is maximized since the geiger probe was also held in this same position. 5. The maxirum radiation dose possible to TAKUYO personnel is calculated to be less than 5 milliroentgens. This assumes continu- ous exposure for the 15 hours from start of the rain squall to the end 39 BOE ARCHi¥'23 ¢b