Abstract : This study consisted of an investigation into several aspects of providing ventilation in host-area fallout shelter facilities. A stepwise procedure for allocating ventilation equipment to host-area shelter facilities and for deploying the equipment within each facility was developed. Example deployment plans for numerous shelter story configurations and sizes are included as an appendix. Another appendix contains examples in the use of the stepwise procedure to allocate ventilation equipment to deploy the equipment within six specific shelter facilities. In addition, alternative systems for distributing shelter supplies from the host-area county seat to individual shelter facilities were evaluated. Analysis of alternative distribution methods in the Macon, Georgia, and Utica-Rome, New York,host areas indicated that the one truck per shelter facility loaded on the basis of the largest facility first priority method generally should be favored. The logistics involved in implementing this method and the advance planning required were discussed.