TABLE OF CONTENTS PREFACE HISTORICAL REVIEW Early Studies. J, ¥. Stannard. Off-Site Medical Activities, Nevada Test Site and the Medical Liaison Officer Network: A Historical Review. F£. van der Smissen and M, E. Kaye. TRANSURANICS IN TERRESTRIAL ENVIRONMENTS SOILS RESEARCH Sampling of Soils for Transuranic Nuclides: E. 8. Fowler and FE. A. Essington. A Review. Distribution of Tranguranic Radionuclides in Soils. A Review. EF. H. Easington and E. B. Fowler. Factors Influencing the Chemical Extractability of 24lam From a Contaminated Soil. M. Hamilton. H. Nishita and Plutonium Association in Soils. T. Tama. Distribution of Plutonium and Americium at a Former Los Alamos Waste Disposal Site. S. Fried, A. M. Friedman, J. Hines, G. Schmita, and M. Wheeler. MICROORGANISM RESEARCH The Relationship of Microbial Processes to the Fate of Transuranic Elements in Soil. R&R, E£. Wildung, H. Drucker, and F. H, F. Au.