PPRuNe Forums - View Single Post - 'Toxic' cabin air found in new plane study - Telegraph
Old 15th Feb 2009, 14:09
  #32 (permalink)  
Pinkman
 
Join Date: Oct 1999
Location: UK
Age: 70
Posts: 288
Likes: 0
Received 0 Likes on 0 Posts
jshg

The usual filters used in aircraft cabin air systems (made by PALL amongst others Clearing the Air on Airplane Cabin Air ) will not remove what are commonly (and incorrectly) referred to as 'fumes'. This is because the organic chemicals (like TCP/TOCP) are at a molecular level. The filters WILL remove dust and fibres (large particles) and maybe some oil mist which may have TCP dissolved in it or larger particles with TCP adsorbed onto it. Basically they are a micron-sized tea strainer. Organic chemicals and small oil mist particles get through. If you have ever seen a used filter you would see how well these things work (for dust).

The problem that you have with this issue is that not everyone is affected the same way: a proportion of the population are what the toxicologists call 'hypersusceptible', so it is difficult to know what 'acceptable' levels might be.


Pinkman

Last edited by Pinkman; 15th Feb 2009 at 22:23.
Pinkman is offline