# | Concept | Culture | Statement | Freq. |
---|---|---|---|---|
1 | strontium 90 | Western countries | Strontium-90 is a radioactive isotope produced as a byproduct of nuclear fission, and is considered a hazardous substance. | 1 |
2 | strontium 90 | Western countries | Associated with nuclear fallout and radioactive contamination | 1 |
3 | strontium 90 | Western countries | Associated with nuclear power plants and radioactive contamination | 1 |
4 | strontium 90 | western countries | Associated with nuclear power plants and nuclear waste disposal | 1 |