On Mon, Apr 25, 2011 at 02:09:24PM -0400, Ben Okopnik wrote: > In terms of numbers, the normal level of C02 in a room (had to look this > stuff up) is about 600ppm, while outdoors it's 300-400ppm (i.e., 0.04% > concentration.) The average concentration at which most people become > aware of a problem is over 2% (20000ppm), or about 50X the outdoor > level, and it takes a 5% concentration to become directly toxic. You'd > be oxygen-starved well before that point, I would think.
Ahhh, so when shrinking the bits of my winter enclosure that can only be shrunk from the inside, it's when I get somewhere between 2% and 5% CO2 that I stop the heat gun and let the enclosure vent for a minute or two before resuming :) Cheers, Kris -- Kris Coward http://unripe.melon.org/ GPG Fingerprint: 2BF3 957D 310A FEEC 4733 830E 21A4 05C7 1FEB 12B3 _______________________________________________ Liveaboard mailing list [email protected] To adjust your membership settings over the web http://liveaboardonline.com/mailman/listinfo/liveaboard To subscribe send an email to [email protected] To unsubscribe send an email to [email protected] The archives are at http://www.liveaboardonline.com/pipermail/liveaboard/ To search the archives http://www.mail-archive.com/[email protected] The Mailman Users Guide can be found here http://www.gnu.org/software/mailman/mailman-member/index.html
