In the event of a national emergency, with subsequent attack on the major population and industrial centers, it would be necessary that U. S. food sources be protected, conserved, and provided for safe human consumption. Previous to or following an attack, sabotage of milk, other foods and water supplies by biological agents might occur. The safety of food at its source, in transit, and in its preparation and serving would be the responsibility of the appropriate health department personnel. Various contingency plans are reviewed.