I've heard of depleted uranium, but depleted plutonium is new to me. Googling a bit, I think you mean depleted uranium, but perhaps wrote 'plutonium' because o

I've heard of depleted uranium, but depleted plutonium is new to me. Googling a bit, I think you mean depleted uranium, but perhaps wrote 'plutonium' because one of the problems with depleted uranium is that it is (often?) contaminated with plutonium. Just guessing.