On 6th November 2007 John Hoyte former BAe 146 Training Captain offered to fill a BAe 146 with VISIBLE OIL FUMES ON THE GROUND (for ease of testing) such that CRANFIELD UNIVERSITY could measure the fumes. Click the following link to read the 2007 e mails. muir-nov07
Nine (9) years later the AUTHORITIES still claim NOT TO KNOW the concentrations of the chemicals, which were later identified by Cranfield University in 2010.
It would appear impossible to publish the concentrations of chemicals in a fume event, when the answer would immediately explain ill health caused by those chemicals…but here are some photographs of visible oil fumes on public transport airliners.
“It is difficult to get a man to understand something, when his salary depends on his not understanding it.”
Upton Sinclair 1878-1968.