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Airliner cabin air quality: emissions of organophosphates originating from aircraft engine oil. Experimental lab simulation and measurements on flight

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Author: Houtzager, M.M.G. · Havermans, J.B.G.A. · Bos, J.G.H. · Makarem Akhlaghi, H. · Hijman, W.C. · Renesse van Duivenbode, J.A.D. · Jedynska, A.D.
Source:13th International Conference on Indoor Air Quality and Climate 2014, 7-12 July 2014, The University of Hong Kong, 1-6
Identifier: 514855
Keywords: Environment · Organophosphates · Emission · Bleed air · Cabin air quality · Urban Development · Built Environment · Earth / Environmental · AEC - Applied Environmental Chemistry · ELSS - Earth, Life and Social Sciences


In our simulation experiments, using e.g., a dedicated emission chamber, the emission of organophosphates as tricresyl phosphate (TCP) was studied using turbine oil. Experiments were carried out at 250°C and 370°C. Subsequently field studies were carried out to detect the presence of TCPs in the cockpit during normal operating conditions of Boeing 737 aircrafts. In both studies four TCP isomers were identified: T(m,m,m)CP, T(m,m,p)CP, T(m,p,p)CP and T(p,p,p)CP . No T(o,o,o)CP or other ortho isomers were found