1. The material was found to be radioactively contaminated.
2. The area surrounding the nuclear power plant was radioactively contaminated.
3. The waste must be disposed of properly as it is radioactively hazardous.
4. The scientists studied how the substance decayed radioactively over time.
5. The workers had to wear protective gear when handling the radioactively active material.
6. The government issued a warning about the dangers of living near a radioactively contaminated site.
7. The levels of radioactively emitted particles in the air were measured regularly.
8. The radioactively contaminated water had to be treated before it could be released back into the environment.
9. The radioactive waste was securely stored to prevent any radioactively leaking into the environment.
10. The researchers monitored the area for any signs of radioactively induced mutations in the wildlife.