Table 3. Total Plutonium Present in 250 g of Rumen Contents (Radioactivity) 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 05/29/75 173.7 7518.8 13.3 473.2 47.0 2005.9 4.0 139.4 75.4 2748.9 135.3 6264.1 182.3 7005.9 15.4 560.1 36.1 1684.4 9.2 362.0 104.0 2844.4 147.3 5050.6 173.0 7126.4 7.7 271.7 43.0 1467.4 5.3 129.1 40.9 1504.4 122.2 4795.3 168.6 7395.4 3.9 192.3 57.5 2021.3 9.9 130.3 72.5 2688.8 159.6 6888 .6 Abomasum, End pH 3 Plutonium-238 (pCi) Plutonium-239 (pCi) 239puy/*38py 43.4 35.7 42.7 34.8 36.5 46.3 Let Duodenum, pH 4.5 Plutonium-238 (pCi) Plutonium-239 (pCi) 239pu/238pu 38.4 36.3 46.7 39.3 27.4 34.3 Jejunum, pH 6 Bile & Enzymes, 2 hrs Plutonium-238 (pCi) Plutonium-239 (pCi) 239pu/238pu 41.2 35.3 34.1 24.3 36.8 39.2 Lower Intestine, pH 7.5 Bile & Enzymes, 2 hrs Plutonium-238 (pCi) Plutonium-239 (pCi) 239pu/238pu *Outer enclosure. 43.9 48.2 35.2 13.1 37.1 43.2