because Halon is a CFC.

We had a interesting procedure at our location. If the fire alarm went off and personnel was in the switch room, a person had about 30 seconds to get to a big button beside the doors and push and hold it in until it was confirmed that there was indeed a fire and not a false alarm. FM-200 bottles we were told are very expensive.

this guy came into the hanger with a cigarette just blazing away.............the sensors picked up the smoke and heat located by the access doors...................and then all hell broke loose, halon started dropping from the outlets, sirens going off........and we are are all scrambling to get out of the hanger................what a mess, and then to top it all off we got soaked with fire retardant foam.................................dropping from the ceiling, spraying onto the floors.

Had to wait two days, tug the plane out of the hanger, wash it down, check all of the instruments, everything............wash down the hanger...............they had to recharge and reset the system for the next snafu...........or Fubar .....................

No one got hurt...............everyone had to go back into training, what a mess..............

We also had a dry water system that if the gas did not put out the fire then a person had to turn a valve to charge the water sprinklers.

Spending a million on firing off the FM-200 was nothing to giving about 20 million+ worth of electronics a bath.

Any decision the person made when the fire alarm went off was an employment termination opportunity.

Happy Holiday.................

Most modern systems since Halon are breathable. I've worked in data centers with FM-200, Inergen, and Argonite. All are safe for humans....although the releasing of the gas into a room is pretty damned dramatic.

Of course, we don't know what system (if any) they have installed so we can only speculate at this point.

CO2 will,too. You have 2 minutes to live once the oxygen content drops below 17%. Old joke among building mechanical people is always make sure your cot is higher than the alarm.

the flames oxygen. As such it is safe, breathable and no obscured vision.

Inergen & Argonite work to lower the O2 level below 12% which starves the fire but is still safe for humans.