Does methane and oxygen have to be shown on all placards if there is not an explosive mixture?
A. Methane and oxygen must be on the same placard only for explosive mixtures. Rule 41(b) – Posted 06/03/2009 Q. Team finds a live conscious man inside a barricade which does not have an irrespirable atmosphere in front of it. A. See Answer Rule 42 – Posted 05/11/2009 Q. In past it was interpreted that team had to enter area where water was being pumped through airlock. Is this correct? A. The rule does not state that you do not have to go through airlock where the water is being pumped. Rule 44 – Posted 05/11/2009 Q. If you’re in an intersection and you encounter contaminant in both directions – left and right – which direction should you go? A. If no other contaminant was found in an adjacent entry – then team could go either way. Q. If you’re coming across from entry #3 to entry #2 – do you tie behind or continue across to the other entry? A. Team must tie behind before continuing across. Rule 45 – Posted 05/11/2009 Q. If you have overcast with a hole in it and you want to ventilate
