Chernobyl disaster||213.76 Long-lived fission product||134.58 Radioactive waste||134.58 Environmental radioactivity||126.67 Nuclear chemistry||118.75 Radiochemistry||110.83 Fission product||110.83 Nuclear fuel cycle||102.92 Age of the Earth||95 Marie Curie||87.08 Chernobyl compared to other radioactivity releases||79.17 Radium||71.25 Induced radioactivity||71.25 Henri Becquerel||63.33 Wilfrid Basil Mann||63.33 Nuclear and radiation accidents||63.33 Becquerel||55.41 Radioactive contamination||55.41 Goiânia accident||55.41 Plutonium in the environment||47.5 Formation evaluation gamma ray||47.5 Nuclear technology||47.5 Polonium||47.5 Counts per minute||39.58 Integral Fast Reactor||39.58 Environmental Measurements Laboratory||39.58 Radium and radon in the environment||39.58 Radioactivity (Fatboy Slim song)||39.58 Pierre Curie||39.58 Gundremmingen Nuclear Power Plant||39.58 Frederick Soddy||31.66 Survival Under Atomic Attack||31.66 Radioactive quackery||31.66 Katsuko Saruhashi||31.66 Bomab||31.66 Cash-Landrum incident||31.66 Rutherford (unit)||31.66 Ronald Collé||31.66 Actinides in the environment||31.66 Aprepitant||31.66 Ramsar||31.66 Decay correct||31.66 Kazimierz Fajans||23.75 Rulison||23.75 Thorium dioxide||23.75 Nuclear entombment||23.75 Harriet Brooks||23.75