Re: Mine Safety Subordinated to Mining Company Interests


"Jo Schaper" <joschapern4ospam@xxxxxxxxxxxxxxxxx> wrote in message
news:11rtrgvdk0vbkb6@xxxxxxxxxxxxxxxxxxxxx
> One thing which has me curious is why mines do not station rebreathing
> gear underground. Some of you may be familiar with this from SCUBA--they
> are headset/tank affairs with chemical cleaners, allowing divers to stay
> down extended lengths of time because the air is actually cleaned and
> recycled, not exhausted and lost. Since a mine is at 1 atmosphere, it
> would seem to me that these devices might be able to be used in bad air
> situations, at least for a couple of days (assuming recharge canisters
> are available) and extend the possibility of surviving a collapse where
> the explosion is not the killer, but the lack of breathable oxygen is.

I don't know anything about rebreathers, but I do know something about
mining managers. I can think of one reason: money.

George


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