Laboratoire Central Of La Prefecture Of Police Lcpp

Paris, France

Laboratoire Central Of La Prefecture Of Police Lcpp

Paris, France

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Delaunay C.,Laboratoire Central Of La Prefecture Of Police Lcpp | Goupil G.,Laboratoire Central Of La Prefecture Of Police Lcpp | Ravelomanantsoao H.,Laboratoire Dhygiene Of La Ville Of Paris Lhvp | Person A.,Laboratoire Dhygiene Of La Ville Of Paris Lhvp | And 2 more authors.
Pollution Atmospherique | Year: 2012

This study aims at establishing the exposure levels of the Ile-de-France inhabitants when they commute in Paris between their dwelling and workplace, during morning and afternoon rush hour periods, using the main modes of transport: car, bus, subway, tramway, cycle and walking. The measurement campaign took place during the winter period of 2007 and 2008. Measured pollutants are carbon monoxide, nitrogen dioxide, monocyclic aromatic hydrocarbons, aldehydes and PM2,5. The results are compared with the values obtained during a study led between 1996-1998 in similar conditions, but also with data collected at the same moment of the day by the Parisian air quality survey network. Generally speaking, for measured pollutants, pedestrians, tramway passengers and cyclists are the least exposed. The exposure in cars is the most important for carbon monoxide, nitrogen dioxide, monocyclic aromatic hydrocarbons, PM2,5 absorption coefficient and formaldehyde. PM2,5 mass concentration is higher in the underground lines of the Parisian subway system, where a spécifié particles source is observed. The comparison with results provided by Parisian air quality survey network indicates that measurement stations, even though situated on sidewalks in border of road, are not fully représentative of the real exposure of people travelling through Paris, especially the car passengers on Paris ring road. A significant decrease of benzene and carbon monoxide levels is observed between the studies of 1998 and 2008 (about 80%).


Minet J.-J.,Laboratoire Central Of La Prefecture Of Police Lcpp | Eudes V.,Laboratoire Central Of La Prefecture Of Police Lcpp | Costanza C.,Laboratoire Central Of La Prefecture Of Police Lcpp | Archer X.,Laboratoire Central Of La Prefecture Of Police Lcpp | And 2 more authors.
Actualite Chimique | Year: 2010

The benefit of chromatographic methods used in forensic science investigations is presented in this paper relating to an example of a real bombing.Explosive traces; Headspace; Chromatography; SPME; GC/MS; LC/MS; IC.

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