Overview of Norwegian emission databases and comparison of the Norwegian and Polish inventories of emission sources and national systems for assessment of air quality.

NILU and GIOS, Poland, are implementing the project \"Strengthening the air quality assessment system in Poland, based on Norwegian experience\" as part of the programme \"Improving Environmental Monitoring and Inspection\" within the framework of the European Economic Area 2009-2014. This report describes the Norwegian emission inventory practices and emission data collection for the purpose of modeling in support of air quality assessment. The report compares and describes differences between the Polish and Norwegian rules and practices for data collection, assessment, and reporting of air pollutant emission.