Cabin ventilation air comes through the engine. So, if there’s an oil leak, engine oil mist – containing neurotoxins – can seep into the aircraft. Though relatively rare, it has happened on commercial flights, triggering neurological symptoms like severe headaches, tremors, and dizziness in crew members and passengers.
CNN recently tested the air on board a transcontinental flight. Test results were obtained by using air filters to trap particles and wiping cabin surface with alcohol swabs. The results from the alcohol swab samples showed that it contained the compound Tricresyl Phosphate, a neurotoxin known as “TCP,” which is in engine oil.
The two leading aircraft manufacturers – Boeing and Airbus, which both use the same ventilation system – acknowledge “fume events” can occur. But they say their planes deliver good quality air.
[Source]
Chapter: Health,Travel :: 24 May 2010
