96-hour window for the oxygen supplies in that rescue chamber. officials acknowledge that this is getting very tight and really their hope is running out. savannah? >> brian mooar in west virginia for us this morning. thank you. >> you know, it is unacceptable, really, and ought to be unacceptable in this country, that one industry, the coal industry, has remain unchanged in 50 or 60 years. certainly the technology has changed. there's no other industry in this country where the lack of safety and the working conditions would be tolerated the way they're tolerated. >> i've heard -- i don't know, maybe it was you that reported that one woman said, you know, i tell my husband i love him when he goes off into the mine every day and i pray that i'll see him at night. but you're right, this sounds like something from the 1930s. and you hear this, 124 -- i mean, how do you have 124 violations and still have a mine open? >> well, they tried to fix this after the sago mine disaster with the miners' act in congress