are mentioned specifically in UCRL-52853, Pt. 1.) Susan McLean, Maureen Tortorelli, and Angelina Fountain provided their excellent secretarial and word-processing support. REFERENCES Barber, D.A. (1964), “Influence of Soil Organic Matter on the Entry of Caesium-137 into Plants," Nature 264, 1326-1327. Ps Bikini Atoll Rehabilitation Committee (BARC) Rehabilitation Committee Report No. 6, (1988), BARC, Bikini Atoll 1203 Shattuck Avenue, Berkeley, CA. Cline, J.F., and W.H. Rickard (1972), “Radioactive Strontium and Cesium Cultivated and Abandoned Field Plots," Code of Federal in Health Physics 23, 317-324. Regulations (CFR), 40 CFR 141.15 [40 FR 59570, December 24, 1975, as amended at 45 FR 57343, August 27, 1980]. D'Souza, T.J., E. Fagniart, and R. Kirchmann (1980), Effects of Clay Mineral Type and Organic Matter on the Uptake of Radiocesium by Pasture Plants, Centre d'Etude de I'Energie Nucleaire, Mol, Belgium, Report No. BLG-538. D'Souza, T.J., R. Kirchmann, and J.J. Lehr (1972), "Distribution of Radiostrontium and Radiocesium in the Organic and Mineral Fractions of Pasture Soils and Their Subsequent Transfer to Grasses," Proceedings of the Symposium on the use of Isotopes and Radiation in Research on Soil-Plant Relationships Including Application to Forestry, International Atomic Energy Agency (IAEA) and Food and Agricultural Organization (FAQ) of the United Nations, Vienna, IAEA-SM-151/4, 595-604. Fredriksson, L. (1963), Studies on Plant Absorption of 90Sr and 137cs from Some Tropical and Subtropical Soils, Forsvarets Forskningsanstalt, FOA Rapport A 4319-4623. 73