[jdnier]

But there are different levels of respirators, some with filters for organic vapors, which I think you'd want if your goal is lowering diacetyl and 2,3-pentanedione exposure.

[ars]

One rated OV for Organic Vapor should be enough.

Evidence:

https://www.aiha.org/events/AIHce/AIHceAbstracts/Pages/Respi...

Section "SR-101-02 Determination of the Service Life of Air-Purifying Respirators against 2,3-Pentanedione"

[jdnier]

Talk about germane, that's an excellent link. Thank you.