SqueakyClean
I hear ya. I'm pretty smell sensitive, myself.
Plastic is a strong one and it is so many places!
I could never stand drinking out of nalgene bottles and their ilk, it was like drinking plastic! So when I got my distiller, first thing I did was use ONLY GLASS to catch and store my water. I only use the high-grade plastic bottle if I am going on a road trip, which is... twice a year?
Letting the bread breathe sounds like a good idea...