This is a meeting for discussion of early results of the recent DAURE 2009 Field Experiments. DAURE stands for Determination of the Sources of Atmospheric Aerosols in the Western Mediterranean. DAURE was part of the EMEP Coordinated Winter Campaign and is a collaborative campaign of EUCAARI. More than 15 research groups from Spain, Switzerland, Austria, UK, and the US participated in the campaign, and collaborating groups from Finland, Norway etc. are participating in the analyses. More information on DAURE can be found at: http://tinyurl.com/daure09 or by contacting JL Jimenez.