(About the life support system)
Scott: OK, so let's say we find the leaks. Can you fix this?
Rush: I doubt this stuff can be cooked off. Perhaps if there were stores of this substance in the clean form, or something else capable of CO2 sequestration - calcium carbonate, lithium hydroxide - then yes, if.
Scott: OK, well, that's not gonna matter because you're gonna get the Gate dialed back to Earth before this becomes an issue, Rush.
Rush: That's the kind of thing you're taught to say in officer training, presumably for the benefit of those that don't know any better.
Rush: What makes you think I won't try?