The CNS clock is place NOT because you will tox right at that moment you hit 100% but to give you a buffer of high o2 exposure to allow a doc to press you if you get bent.
There does come a point where your o2 exposure can become too high where someone can't put you into a chamber. I am not a...
When did you take the first aid/CPR/aed course? Was it within the past year or several years ago.
One reason why they may not be accepting it is that it is generally practiced that this particular certification is good for 1-2 years depending on the agency. After that time frame you need to do...
Keep in mind that wetsuit neoprene is full of air bubbles. This is what gives you the thermal protection. Over time these bubbles can compress while diving which I would guess the previous wetsuit had happen to it, as they all do. So yes a brand new wetsuit would new significantly more weight vs...
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