this has been covered in a thread once before involving an elaborate system for removing all traces of smell.
UTFSE for fume hood to find it, was a while back.

https://www.thevespiary.org/rhodium/Rhodium/pdf/fumehood.pdf

https://www.thevespiary.org/rhodium/Rhodium/djvu/labfumehoods.djvu

https://www.thevespiary.org/rhodium/Rhodium/chemistry/equipment/inline.gas.dryer.html