On Friday, February 19, 2016 at 5:14:59 PM UTC-8, Lloyd E. Sponenburgh wrote:
[about white blush on plastic handles]

And it is a fungus, but an innocuous one, apparently. No stink, but
under magnification, you can see the fruiting bodies.

Tripoli and a buffing wheel. Or a rag and some metal polish. It comes right off.