hi john a
usually i have just 1 dive session a day meaning a 24 hour intervall between dives. also on most days i dive at the 'house reef' and don't take that ride with the jeep. so accumulation can't happen given there is more than 9 hours between rides.
on the other hand i can't really tell if my co-intake from the exhaust fumes is always the same. i try to find some info on co poisoning, though.
thanx
roland
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