"Jose" wrote in message ...
servicing oxygen systems with nitrogen would be a very bad thing.

What would it feel like to breathe nitrogen instead of oxygen or air? I presume one would just get euphoric, pass
out, and die, with nary a clue.

Jose

Years ago we had a contract laborer working in a catalyst vessel with a nitrogen atmosphere. He lifted his breathing
air mask to spit. Bad move. Sucked in a breath and it was nearly his last. The man passed out and started
convulsing. The confined space attendant radioed for help from the ERT. Ever tried to pull a convulsing patient
from a manway? Even with a tripod / winch / cable / harness already rigged, it was quite a job. The man lived but
was hospitalized for quite awhile. A co-worker put on an airmask that inadvertently been connected to a nitrogen
header. This was back in the 60's. He took one breath and woke up in the hospital. Thankfully, he didn't have a
chance to fully strap the mask on.



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