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This service is part of the UK National Atmospheric Emissions Inventory maintained by AEA Techmology


This service is part of the UK National Atmospheric Emissions Inventory maintained by AEA Technology

Welcome to the Emission Factors Database

This database contains the emission factors used in the UK Emissions Inventory as well as factors specifically designed for Local inventories.

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This database is designed to provide data and technical information to local authorities that are undertaking a local emissions inventory.

It is important that you use these pages in conjunction with Defra Technical Guidance: LAQM.TG(03).

This site provides support to emission inventory compliers in the UK and is funded by Defra.
Home Data Warehouse FAQs UK Greenhouse Gas
Reports Methodology Links UK Air Quality Archive
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