DRAFT CONTENTS Page TITLE PAGE 1 PERS ONNEL 2 ABSTRACT © 3 CONTENTS 7 LIST OF FIGURES 9 LIST OF TABLES 10 1, INTRODUCTION 11 2. RADIOACTIVITY BACKGROUND IN THE OPEN SEA AND LAGOONS OF THE PPG AREA by DeCourcey Martin, Jr. and Robert L, Wisner 2ol1 Assay Equipment 2.2 Sample preparation and counting 14 2.3 Radioactivity in ocean water 15 204 36 . 13 13 Radiobiological assay of the near surface and deep sea fauna 18 20.5 Radioactivity background of the ocean floor 22 2.6 Radiobiological assay of certain fauna of Bikini and Ailinginae Lagoons 24 2.7 Lagoon water samples 26 2.8 Lagoon bottom samples 28 2.9 Lagoon Phytoplankton samples 29 2.10 Miscellaneous surveys 29 2.1I Air sampling 30 OCEANOGRAPHIC CONDITIONS IN THE PPG OPEN SEA AREA, by Paul L. Horrer 31 301 Currents, general information 31 3.2 Currents at various levels 32 corn b0E 7 LANL BG . PO Ry ———_