TABLE ONE RELATIVE DOSES TO GASTROINTESTINAL TRACT FROM INGESTION OF FALLOUT MATERIAL Time After Detonation That Ingestion Occurs lst Hour Limiting istDay Case * Lower Large Intestine 1.0 1.0 1.0 Upper Large Intestine 1.3 0.71 0.49 Small Intestine 0.26 0.054 0.03 Stomach 0.86 0.063 ~ 0,03 *Based on assumption that there is no significart decrease in activity during time of passage through gastrointestimal tract. After a week following a detonation the decrease in activity between the mid- point of time in lower large intestine is within 20% of this condition. DOE ARCHIVES TL