This report describes the initial phases of a study designed to model the effects of the food processing and distribution system of the United States on the postattack flow of contaminated foodstuffs. A modeling method is proposed that employs utilization charts, seasonal supply graphs, and various production-consumption time lagts to provide a quatitative description of commodity flow patterns. These quantitative indices are assigned postattack values through the use of damage assessment procedures designed to fit existing food inventory data. The techniques proposed in this report are used to describe the probable processing and distribution patterns followed by milk and wheat products after a mixed counterforce and city attack based on a high threat level.