Dutch TV documentary program Zembla devoted several documentaries to contaminated cabin air. Via the links below, you can still watch them all, to get an idea of the problem, and the political games that are played around it. Part 1 is Dutch spoken only, the other 3 come with English subs.

Toxic Cockpits Part 1 (Feb 2010)

Toxic Cockpits Part 2 (2013)

Toxic Cockpits Part 3: the Non-disclosure Clause (8 Nov 2017)

Toxic Cockpits Part4: the Interests (15 Nov 2017)