“Don radioactive suits”?Fresh out of radiation suits?
The yellow Anti-C's are suits designed to keep radioactive material off the body. When you exit a contaminated area, you remove the gloves, hood, boots and suit to leave the material with the clothes so you can then go to non-contaminated areas. If there was airborne radioactive material, you would wear a respirator designed to filter out the particles.
Think of the contamination is like dust that is activated and emits radiation. The suits do NOT stop radiation, they only stop the spread of radioactive material.