Christiaanj.
However, that "spokesman" should be locked into a teargas-filled cabin for five minutes, then be tossed headlong down an escape slide.
The only people who know the 'substances in a fume event' are Cranfield University and the Department of Transport as they were asked to identify them URGENTLY in 2007 by the UK House of Lords.
As they still can't bring themselves to publish this long overdue, crucial information which is strongly suspected of being the cause of the CAA grounding 28 UK pilots due to toxic air inhallation and long term ill health, the media will continue to talk about 'bad smells' and 'no health implications'.
Aviation: Air Quality: 21 Dec 2010: Written answers and statements (TheyWorkForYou.com)
House of Lords - Air Travel and Health: an update
They would say that - wouldn't they?
DB