Table 7. Percentage of Plutonium Dose Per Kg of Tissue Retained by the Phase I Calves Following Ingestion of In Vivo Plutonium-Labeled Milk Calf Number Breed Average Daily Milk 2637 Holstein Total Pu Dose (uCi) 174.0 Intake (kg) 4.0 2638 Holstein 3.0 153.0 Percentage of Dose Per kg of Tissue/Organ: Bone 4.9 x 1075 9.2 x 1075 Lymph Nodes 2.6 x 10 1.3 x 10_. Duodenum mucosa Abomasum Omasum Reticulum 7.5 1.7 3.5 7.5 3.3 x 10 2 ~ 3 7.8 x 10 - Liver Spleen Adrenals Rumen 4.0 x 10_, 3 9.2 x 10 x x x x 10-5 10_» 10, 10 3 6.3 x 10° 189 3.8 x 10_, 9.2 x 10_, 9.8 x 10 -