Fig. 10°N 14°N 3. 160° O O O d/m/g in millions/gm dry weight Atoll Ujelang .28 e Atoll disintegration rates are in millions per gram dry weight of plankton. wi85 10°N 167°E Stations at which V Rongelap plankton contained wt85 are shown as solid circles. Chart of the Collett survey stations. : 206 O 62 Bien e i Atol 1 O21 14°N 167 °F 10 -