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Draft BAT for pig and poultry installations issued, August 15th

The European Commissionís Seville-based IPPC bureau has released the second draft of revised EU guidance on best available techniques (BAT) to reduce pollution from pig and poultry installations. Stakeholders have until 21 October to comment

The new draft specifies BAT techniques and their associated emission levels (AELs) from which limit values will be derived in pollution permits determined by national authorities, taking into account local conditions.
The revised BREF updates BAT techniques detailed in existing guidance† and sets BAT-AELs for the first time. When the BREF was agreed in 2003, there was insufficient performance and emission data to establish such levels. A much more complete set of data has been collected since the reviewís kick-off meeting.
BAT-AELs for emissions of ammonia, one of the most problematic air pollutants for the agriculture sector, are proposed for different categories of animals. Poultry for example is divided into four categories: laying hens, broilers, ducks and turkeys.
For all categories of pigs and poultry, the lower end of the emission ranges recommended is associated with the use of an air cleaning system.
BAT techniques are also proposed to reduce ammonia emissions from manure storage and the application of solid manure and slurry to land. The EU executive is considering actions in this area for a wider range of installations.
Other recommendations in the draft revised pig and poultry BREF include AELs for dust and odour emissions and BAT-associated environmental performance levels (AEPLs) for excreted nitrogen and phosphorous.


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