| radioactive material | 32.19 | Another natural hazard is radioactive material. | ||
| radioactive waste | 23.90 | Radioactive waste is simply spent fuel. | ||
| radioactive substance | 6.06 | Twice a year, they are tested for tritium, a radioactive substance. | ||
| radioactive isotope | 4.08 | Tritium is a radioactive isotope of hydrogen. | ||
| radioactive leak | 4.08 | No radioactive leaks were detected. | ||
| radioactive iodine | 3.55 | Radioactive iodine can cause thyroid disease. | ||
| radioactive element | 3.23 | Plutonium, a highly radioactive element, causes cancer if inhaled. | ||
| radioactive contamination | 3.09 | People who took part in the cleanup have feared radioactive contamination. | ||
| radioactive dust | 2.50 | How much radioactive dust is in my body? | ||
| radioactive fallout | 2.44 | The accident showered Belarus with radioactive fallout. | ||
| radioactive water | 2.24 | Radioactive water had seeped into underground reservoirs. | ||
| radioactive gas | 1.97 | Some radioactive gases were released. | ||
| radioactive cloud | 1.71 | It also spewed a radioactive cloud across Europe. | ||
| radioactive particle | 1.71 | Radioactive particles are drifting invisibly on the wind. | ||
| radioactive leakage | 1.65 | There was also radioactive leakage reported. | ||
| radioactive plutonium | 1.51 | Highly radioactive plutonium is stored and made into pellets at Tokaimura. | ||
| radioactive fuel | 1.32 | It is believed to contain tons of radioactive fuel and dust. | ||
| radioactive debris | 1.12 | He ordered bulldozers that could bury radioactive debris. | ||
| radioactive seed | 1.05 | He then settled on radioactive seed therapy. | ||
| radioactive cesium | 0.92 | It has leaked small amounts of plutonium and radioactive cesium. |