Table 6. Dosing Sequence for the Two Phase I Calves That Ingested In Vivo Plutonium-238 Labeled Milk Pu Concentration 88T Dosing Day (nCi/g) Calf No. 2637 Total Milk Ingested Total Pu Ingested Pu Concentration (kg) (nci) (nCi/g) Calf No. 2638 Total Milk Ingested (kg) Pre-Dosing Day 1 (PM) Pre-Dosing Day 2 (AM) (PM) Dosing Day 1 (AM) (PM) Dosing Day 2 (AM) (PM) Dosing Day 3 (AM) (PM) Dosing Day 4 (AM) (PM) Dosing Day 5 (AM) (PM) Dosing Day 6 (AM) (PM) BKG BKG BKG 6.0 6.0 7.5 11.3 11.3 11.3 7.5 7.5 4.2 4.2 3.5 3.5 2.1 2.1 0.6 2.1 2.1 2.1 2.1 2.1 2.1 2.1 2.1 2,1 1.6 2.1 2.1 BKG BKG BKG 12,600 12,600 15,750 23,730 23,730 23,730 15,750 15,750 8,820 6,720 7,350 7,350 BKG BKG BKG 6.0 6.0 7.5 11.3 11.3 11.3 7.5 7.5 4.2 4.2 3.5 3.5 2.1 2.1 0.6 2.1 2.1 2.1 2.1 2.1 2.1 2.1 1.2 1.0 1.0 1.0 1.1 (PM) BKG 2.1 BKG BKG 2.1 BKG 2.1 BKG BKG 2.1 Post-Dosing Day 1(AM) Post-Dosing Day 2(AM) (PM) Total Pu Ingested BKG BKG 2.1 2.1 BKG BKG 173,880 BKG BKG 1.0 2.1 Total Pu Ingested (nCi) BKG BKG BKG 12,600 12,600 15,750 23,730 23,730 23,730 15,750 9,000 4,200 4,200 3,500 3,850 BKG BKG BKG BKG 152,640