Atmos control for the Port-a-Brig

[Mageziya]

if you put in a plasma tank and the prisoner had a lit cigarette in their mouth or other flame source, the results should be explosive

According to a bug report involving pod atmospheres from waaaaay back, a pure plasma atmosphere is actually extremely toxic to the point of where it will near instantly kill anyone exposed to it. The reason that plasma doesn't instantly kill anyone is because it's too diluted when it commonly occurs.