On Sunday, 23 May 2021 at 08:34:26 UTC+1, Brian Gaff (Sofa) wrote:
Surely that would be rather dangerous to have around the place?
Frostbite and co 2 release in a confined area?


The Federal Aviation Authority is perfectly happy with controlled dry ice quantities in aircraft.

https://www.faa.gov/documentLibrary/.../AC_91-76A.pdf

Indeed, they recently issued revised guidelines for use with Pfizer Covid-19 vaccine which has stringent requirements for cold storage/transport. That lifted the quantity allowed - with some additional considerations.