Emission Inventory and Emission Factor Projections for Modeling Air Pollution in the CAM (Spain) Julio Lumbreras, Gabriela Urquiza and M. Encarnación Rodríguez. Departamento de Ingeniería Química Industrial y del Medio Ambiente, Universidad Politécnica de Madrid (UPM). C/ José Gutierrez Abascal, 2. 28006- Madrid. Spain. jlumbreras@etsii.upm.es ABSTRACT The “Universidad Politécnica de Madrid” (UPM) is currently studying industrial activities that can produce air pollutants. The CORINAIR methodology 1 is being used and the associated nomenclature called SNAP (Selected Nomenclature for Air Pollution) has been selected to complete an inventory. This inventory considers all the pollutant sources declared in CORINAIR’94. The study covers industrial activities collected in the SNAP nomenclature (SNAP-1, SNAP-2, SNAP-3, SNAP-4, SNAP-5, SNAP-6, SNAP-9 and SNAP-10) for the CAM (Autonomous region in the centre of Spain that includes the city of Madrid). Several future scenarios are proposed for each activity and future years in order to compare their associated emissions. The inventory is being time and spatially disintegrated. The aim of the study is to obtain detailed information about air pollutant activities and their current and future emissions in order to identify the incidence of each activity in air quality, to give useful information for regulatory decisions and to support decisions in the cases of great air quality disturbances. The reference methodology developed in this project is very close to those used in the European Union and the Geneva Agreement and could be a guidance for other Spanish regions. The time period considered begins in 1995 and lasts until 2020. Official data are obtained from years 1995 and 1996, so the period between 1997 and 2020 provides only estimated data. Available data from 1998, 1999 and 2000 are used for validating and evaluating the goodness of the methodology. The incidence of changing technology and equipment to reduce air pollutant emission is also studied. Scenarios are based in statistical predictions, socioeconomic data, regulatory purposes and estimated consumed energy. Different emission factors are used applying the Best Available Techniques (BAT) and future legislation. The projected emission inventory is being prepared for modeling. INTRODUCTION The aim of this work is to obtain detailed information about industrial activities and their current and future emissions in order to identify the incidence of each activity in air quality, to give useful information for regulatory decisions and to support decisions in the cases of great air quality disturbances. The area of the study covers the autonomous region of Madrid (CAM). However, in order to model the emissions it is necessary to work with a larger domain than the one just including the CAM, the domain is shown in Figure 1.