Posted 3/19/2016 19:15 (#5186879 - in reply to #5186397) Subject: RE: Full face masks with ammonia filters are AMAZING for NH3 application!
That is a very good idea, however it is hard for me to believe there is that much vapor around when things are shutdown. Leaky valves? I don't get much more than the occasional whiff when working on or greasing my bar. I do purge it out if I have to do any work on the system.