The primary danger posed by a dirty bomb is the residual radioactive material contaminating the area around the blast site. The specific danger posed depends on the radioactive material used in the bomb, which can range from elevated levels of cancer to radiation poisoning. | The primary danger posed by a dirty bomb is the residual radioactive material contaminating the area around the blast site. The specific danger posed depends on the radioactive material used in the bomb, which can range from elevated levels of cancer to radiation poisoning. |