nation inch Plankton net Island “ " Nylon Silk Diam- nu 20 20 12 inches Number Meshes Mater- eter of net per ial designAtoll Plate No. 7& 74 “ 170 6 6 Wt 20 Rongelap Kabelle tt Kabelle " " st Rongelap 6079 6078 6122 6121 . counting t 8-16-57 8-16-57 8-23-56 Date of Date of collect- first ing iy 7-24-56 7-17-57 7-18-57 Decay slope rr 1957 -- 4 . 4 - 1.10 - 3.7 - 30, first counting to Oct. First count from date of in uc/kg* Wet Ash yoann .20 6.0 4 . Oo basis basis 72 20e8## 14 93 date for 1956-57, samples. As of collecting date for 1954-55, and as of counting Last count 9-6-55. Plate missing. Low plate count; large error. # Decay curve rose, invalidating the entry. ¢ee° “You