Posted by CalAbDiver on July 24, 2001 at 15:33:26:
In Reply to: Who in their right mind uses 80%??????? nt posted by MHK on July 24, 2001 at 15:12:50:
hmmm, lets see, oxygen allergies?
uhhh, excess CO2 loading?
in their right mind? i thought i already dismissed all doubt about that??