You probably don't need to be told, but please use good face masks when cleaning up the rodent droppings AND when grinding off the residue! My father got pretty sick from that. I also just went through the process of removing several rodent nests from my 67 suburban.. yuck.
Oh yeah, the day we cleaned out the cab, I made my daughter wear my paint respirator, and I wore a heavy duty dust mask... So neither of us suffered any ill effects.
We both stayed a lot healthier than THIS guy, anyway, who spent his final days twisted up in the seat springs...