I wouldn't worry about chemical or biological strikes on nuclear sites. The US has never had bioweapons (unless you count blankets from smallpox infectees) and we've long since destroyed our chemical stockpiles.
When I first met one special person, I made the mistake of saying "Sweet Odin's Raven". And then she said "By the beard of Zeus!" And then I said "Uncle Jonathan's Corncob Pipe!" And it continued from there.