Q. What are the concentrations of organophosphates in a visible oil fume event in a passenger jet?

Countess Mar: To ask Her Majesty’s Government, further to the Written Answer by Lord Ahmad of Wimbledon on 8 July (HL831), whether, during the Cranfield Study, any reliable information on the concentration of organophosphates specifically during a visible fume event when the interior of an aircraft is filled with smoke was collected; and if not,…