GROSS ACTIVITY Graph 3 UC/KG WET Q -— a 10,000 100 1,000 10 ISLAND SOIL — 100 a “OF 1 = N — \ N™ coconut MILK ALGAE ~,) \ 6 — 10 0.1 BEACH va “ear — ‘ \ i 4 \, YJ 1 0.01 — iT] — | | 25 135 Ul 280 Leto. 0.001 600 10 DAYS AFTER MARCH 1, 1954 | 25 oe | 335 30 RATE OF DECLINE OF RADIOACTIVITY IN ALGAE AND SOILS AND COCONUT MEAT AND MILK AT RONGELAP ATOLL FROM MARCH 26, 1954 TO OCTOBER 23, 1955. DOE ARCHIVES 42779287——-8