abitton
Contributor
Carbon monoxide is odorless...
OK... Been said before... That'll teach me to read through the thread before replying...
DiveGolfSki:PADI used to instruct divers to crack open the tank slightly and smell the air. I do it SOP now but I guess this is no longer in practice (or in vogue)? The practice also assumes one's nose is sensitive enough to pick up carbon monoxide (exhaust gases).
OK... Been said before... That'll teach me to read through the thread before replying...