Pace,
Dead right about contaminated air.
Finally contamination in the cabin from contaminated air? It may be interesting to read this report as even low levels can cause extreme fatigue
The article you quoted was 2002 but contaminated air has been around for many years and will be until everybody finally agrees to:
- remove organo phosphates from engine oil (OP's generally banned in agriculture).
- adopt B 787 'Bleed free architecture'.
Try
Aerotoxic Association for more inconvenient facts about the reason for your chronic fatigue and other mysterious neurological symptoms.
This is not rocket science and is probably one of the the worst kept secrets in aviation.
DB