A BREF is a BAT Reference Document adopted by the European Commission. The BREFs are based on an exchange of information through technical working groups consisting of experts from industry, Member State authorities, research institutes and NGOs. This exchange is coordinated by the Commission's European IPPC Bureau in Seville.


Best Available Techniques (BATs) defined in the Industrial Emissions Directive are in essence the most effective techniques to achieve a high level of environmental protection, taking into account the costs and benefits.


It must be emphasized that BATs do not only refer to the technology used at an installation, but also to the way the installation is designed, built, operated and maintained.

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