Originally Posted by
Bluedriver
Flown both for several years. Couldn't take the E190 on my back any longer, and was over the 4-leg days never leaving the state of NY. You heard that right. Better pay, better trips, better work day/week. But my hand is never far from my O2 mask.
I thought this could possibly be a cumulative exposure thing? Like you are breathing it in over time and not even knowing it. If that is the case then you may have elevated levels of TCP without having ever smelled the wet socks or magic marker. Thus, having your hand near the mask is not a help.