John Smith: To ask the Secretary of State for Transport whether the Civil Aviation Authority has started an investigation into the chronic neurotoxic effects of exposure to pyrolised engine oils via inhalation from aircraft engines into the cabin air supply on various types of aircraft; and if he will make a statement. [67802]
Derek Twigg: We have commissioned for the independent Committee on Toxicity (COT) to conduct a comprehensive evidence review of any health risks in cabin air and the CAA are contributing to this process. The formal COT meeting will be held in public later this year.