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The significance of fungal growth in nuclear submarines.

The visible presence of fungal growth in certain areas of nuclear submarines has given rise to concern amongst the crews. The airborne spore population was investigated to determine the medical significance of such growths and the methods used are described. It is concluded that no medical hazards are associated with the presence of fungal growths, but that action is necessary to deal with the material deterioration caused by the growths. The overall investigation is a good example of how medical, scientific and engineering staff within the Ministry of Defence (Naval) can work closely together to resolve such problems to mutual benefit.