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Benzo[a]pyrene (B[a]P) derivate characterisation in air and in laboratory

Abstract : Polycyclic Aromatic Hydrocarbons (PAH) are emitted by all the combustion sources and are present in both the particulate and the gas phases. Since they are potentially carcinogenic and/or mutagenic they have been widely studied. Benzo[a]pyrene (B[a]P) have been chosen as a tracer for PAH because of his toxicity. It is mostly present in the particular phase (90%). Very reactive, it can be oxidized to form nitrated and oxygenated by-products which can be more toxic than B[a]P itself. These reactions can occur in the air and/or on the sampling support. The purpose of this work is to determine the major place of reaction, to identify the oxidizing species responsible for these degradations and by-products formation, for a better B[a]P quantification. Field campaign and reactor tests will allow to identify the reaction products and oxidants, to determine the major place of degradation, to improve B[a]P monitoring. Analytical and sampling methods will be described. The analysis of filters sampled with an impactor will be presented.
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https://hal-ineris.archives-ouvertes.fr/ineris-00973550
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  • HAL Id : ineris-00973550, version 1
  • INERIS : EN-2010-016

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Johany Ringuet, Eva Leoz-Garziandia, Hélène Budzinski, Eric Villenave. Benzo[a]pyrene (B[a]P) derivate characterisation in air and in laboratory. 25. Congrès Français sur les Aérosols (CFA 2010), Jan 2010, Paris, France. pp.NC. ⟨ineris-00973550⟩

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