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Type: Posts; User: Dan Sumners

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  1. Exactly what I'll be using it for!

    Exactly what I'll be using it for!
  2. Great deal: Light For Me 2x XMLII with Goodman handle under 180

    I was diving with a buddy a couple of weeks ago and he was using...
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    Wanted: ali 5l/40cf

    Let me know if you have one you want rid of, thanks!
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    I've recently finished my SD theory but haven't...

    I've recently finished my SD theory but haven't done the dives yet. I thought the content was good, particularly the nitrox element, but also think there should be some relating to deco, buoyancy and...
  5. Great stuff, thanks!

    Great stuff, thanks!
  6. Thanks to all who have replied so far, the...

    Thanks to all who have replied so far, the historical info is much appreciated.
  7. Thanks Garf. Yes; I meant the term 'claim' in a...

    Thanks Garf. Yes; I meant the term 'claim' in a very general sense, ie something that is said, but I see it seems stronger. Probably a result of my work in the political world!

    So do you think...
  8. Thanks again!

    Thanks again!
  9. Thanks Mark - and, while I have the opportunity,...

    Thanks Mark - and, while I have the opportunity, for 'Deco for divers'.

    So do you feel there is enough anecdotal - for want of a better term - evidence to suggest the half life is a valid concept?
  10. Thanks for the quick response. However, Steve...

    Thanks for the quick response.

    However, Steve Lewis is saying that the NOAA publications say the 90 minute half life ONLY applies to "exposures delivering an oxygen partial pressure of 1.6...
  11. Is the CNS loading 'half life' concept the result of a misunderstanding?

    My BSAC Sports Diver manual states, with regard to CNS oxygen uptake, "For every two hours on the surface breathing air, the CNS % is reduced by half".

    However, the recently published 'Staying...
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