Table 3. Extent of Translocation of 2380, from Contaminated Foliage cf Bushbean to Seed Tissues in the Absence and Presence of a Solution Vector Time of Leaching (Days Following Contamination) Stage Of Development Pu Oxide (Fresh) Plutonium Chemical Form Pu Oxide Pu citrate (Hydrated) Pu Nitrate TRS Control--No Leach ove Day 1 <4.5x10 Preflowering - 2,6x10 5 - Day 7 Flowering, Seed Development 1. 7x10 > Day 14 Seed Filling 1.8x16 Day 21 Seed Filling Completed <5,0x10 6 -5 1.1x10 -5 5.4x10 - - 4.1x10 5 8.4x10 > - - 1.8x10 > 4.4x10 -6 1.8x10 ‘ -5 3.5%30 4.3%10 > -5 4.7x10 > 6,8xL0 2.6x10 1.4x10 1,1x10 4.0x10 -6 -4 -3 -5 -6 1. Plants leached with 200 ml of solution, equivalent to a 7 min rainfall of 0.4 cm. 2. Ail compounds supplied from solutions at pH5.§ to 7.0; aerosol characteristics for the fresh and hydrated oxides given in Table 1; aerosols of Pu-citrate had an AMAD of 1.61 um and a GSD of 1.86, count mode was 0.200 wm; Pu-nitrate had an AMAD of 2.29 um and a GSD of 1.91, count mode was 0.152 um, 3. Aged in H,O at pH 7.0 for 10 months 2 4. Transport Ratio = pCi/gm Seed Tissue/pCi/gm Contaminated Leaf Tissue; average of four replicate samples Table 4. Extent of Translocation of 233 3 Pu From Contaminated Foliage of Bushbean to Root Tissues in the Absence and Presence of a Solution Vector! Time of Leaching (Days Following Contamination) Stage Of Development Pu Oxide (Fresh) Plutonium Chemical Form” Pu Oxide Pu Citrate (Hydrated)? Pu Nitrate | Tr* Control--No Leach <6.6x107"° Day 1 <4, 8x107> 7,3x10°° Pref lowering 2.2x10°? Day 7 1.6x107> Flowering, Seed 4.7x10-> 1.1x10~* 1.4x107° 2.2x107> 5.7x10-> 4.6x10~" Development Eve -6 Day y 14 Seed Filling 1.1x10 Day 21 Seed Filling Completed 1.6x107> 73 4.3x10 “9 1.9x10"° 7,1x10 9 1.7x10“ 3,3x107> 1.4x10 > 3.3x10°° 1. Plants leached with 200 ml of solution, equivalent to a 7 min rainfall of 0.4 cm. 2. All compounds supplied from solutions at pH 5.8 to 7.0; aerosol characteristics given in Table 3. 3. Aged in H,9 at pH 7.0 for 10 months 4, Transport Ratio = pCi/gm Root Tissue/pCi/gm Contaminated Leaf Tissue; average of four replicate samples