The discussion of veactor accidents general, as a hazard 1s quite They urge continued requirement of containment of the reactor itself for all but small research reactors as practicec today in this country. They urge constant vigilance and conelv that the extreme hazard -~ total vaporization of a reactor -- 1 unlikely, In other words, for the present, this entire study adds up to reassurance and repeated urgings to keep vigilant lest this new technology needlessly get out of hand, - 16 - Enolosure II