Table 1. Solubility of Ingested Plutonium in In vitro Bovine Gastrointestinal Fluids Trial-6 11/05/74 Trial-7 01/19/75 Trial-8 01/21/75 Trial-9** 01/29/75 Trial-10 03/12/75 Trial-1l 05/29/75 Abomasum, End pH 3 Plutonium-238 Plutonium-239 238pu/23%pu 0.048% 0.058% 0.83 * 0.25% x * 0.127% x * 0.19% * 0.322 0.11% 3.1 * 0.054% * 1.3% 0.24% 2.0% 0.69% * 0.15% 3.2% 0.64% * 0.882 0.227 0.13% 8.5% 2.6% x 1.7% 1.7% 0.97% 62.8% 64.27% 8.0% 1.3% * 0.68% "eT Duodenum, pH 4.5 Plutonium-238 Plutonium-239 238pu/239py 5.4 3.0 * 4.9 * 1.7 Jejunum, pH 6 Bile & Enzymes,2 hrs Plutonium-238 Plutonium-239 238py/239Py 3.0% 0.647% 10.6% 1.8% 5.8 2.3 1.0% 0.762% * 1.9% 0.752% 0.73% 4.7 1.7% 0.75% 3.3 x 1.7 Lower Intestine, pH 7.5 Bile & Enzymes, 2 hrs Plutonium-238 Plutonium-239 238py/239py 1.4 *Below 238pPu detection limit. **kOuter enclosure. * 1.0 0.98 6.0 *