1 November 2001

Dear Colleague

It gives me great pleasure to introduce the third edition of the joint EMEP/CORINAIR Atmospheric Emission Inventory Guidebook.

This Guidebook has been prepared by the expert panels of the UNECE/EMEP Task Force on Emission Inventories and Projections and is published by the European Environment Agency.

The Guidebook is intended for general reference and, in conjunction with the revised Reporting Guidelines (, for use by parties to the Convention on Long Range Transboundary Air Pollution for reporting to the UNECE Secretariat in Geneva.

This edition continues to be ordered according to source nomenclature – SNAP97 – developed by EEA’s European Topic Centre on Air Emissions (ETC/AE) but it is consistent with both the Nomeclature for Reporting (NFR) and IPCC source nomenclature developed for reporting under the UN Framework Climate Change Convention.

In order to better maintain and update the Guidebook it is now available only in electronic via the European Environment Agency Internet web site ( Further development and maintenance will be carried out over the coming year and a further revision of the Guidebook is anticipated in late 2002.

I hope that you will continue to find the Guidebook a valuable reference document and will make use of it. It is a living document and not a fixed rule book. It provides a distillation of the best currently available information. If you find anything that you consider incorrect, out-of-date or inappropriate, if you have access to anything better, or you have data or information on activities not included in this edition, I would be grateful if you could let me know so that the Guidebook can be further updated.

Finally I would like to thank the expert panel members for their work in preparing, using and reviewing the material and the EEA for publishing the material.

Mike Woodfield
Task Force Chairman


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