Not really. A single dust particle of lead in your lungs isn't going to kill you. A particle of plutonium is. It's not comparable to lead on terms of dangers.
Also, the problem with radioactive materials is that they damage the containers they're stored in over time. It's called radiation embrittlement.
Also, the problem with radioactive materials is that they damage the containers they're stored in over time. It's called radiation embrittlement.