Rebreather World - View Single Post

Mark Chase · 29th September 2006, 14:00

Quote: (Originally Posted by Gibbon)

If you take into account the 90 minute half life of CNS on the surface breathing air then you would not be so concerned?

Yes but working on a avg of 1.3pp02 for the dive over 150 -180mins even on 150 he will hit 300mins when the recomended max exposure limit for a 24 hour period is 210. So he is getting on for 27% over. For 2X3 hour run he is looking at 360mins.

Or are we saying that the NOAA Daily Oxygen Presure time Exposure limits are rubbish?

ATB

MArk Chase

29th September 2006, 14:00	#18 (permalink)
Mark Chase RBW Member Current Rebreather/s: Classic Kiss Other Rebreather/s: Inspiration Classic Join Date: Jan 2005 Location: Kent Posts: 2,821	Re: Bailout Gases for long 60 metre dives Quote: (Originally Posted by Gibbon) If you take into account the 90 minute half life of CNS on the surface breathing air then you would not be so concerned? Yes but working on a avg of 1.3pp02 for the dive over 150 -180mins even on 150 he will hit 300mins when the recomended max exposure limit for a 24 hour period is 210. So he is getting on for 27% over. For 2X3 hour run he is looking at 360mins. Or are we saying that the NOAA Daily Oxygen Presure time Exposure limits are rubbish? ATB MArk Chase __________________ See my "Doing It Chasey" video where I'm locked into a padded room, naked, with two ball bearings and within an Hour, I manage to lose one and break the other!!! Kevin Juergensen 16/11/08 [/quote]
(Offline)