# Commission Implementing Decision (EU) 2017/302 of 15 February 2017 establishing best available techniques (BAT) conclusions, under Directive 2010/75/EU of the European Parliament and of the Council, for the intensive rearing of poultry or pigs (notified under document C(2017) 688) (Text with EEA relevance), Division BAT 18

Extent: E+W+S+N.I.

In order to prevent emissions to soil and water from slurry collection, piping, and from a store and/or an earth-banked storage (lagoon), BAT is to use a combination of the techniques given below.
A description of the techniques is given in Section 3.1.1 and 4.6.2.
Technique
Applicability
a
Use stores that are able to withstand mechanical, chemical and thermal influences.
Generally applicable.
b
Select a storage facility with a sufficient capacity to hold the slurry during periods in which landspreading is not possible.
Generally applicable.
c
Construct leak-proof facilities and equipment for collection and transfer of slurry (e.g. pits, channels, drains, pump stations).
Generally applicable.
d
Store slurry in earth-banked stores (lagoons) with an impermeable base and walls e.g. with clay or plastic lining (or double-lined).
Generally applicable to lagoons.
e
Install a leakage detection system, e.g. consisting of a geomembrane, a drainage layer and a drainage pipe system.
Only applicable to new plants.
f
Check structural integrity of stores at least once every year.
Generally applicable.

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Source: https://www.legislation.gov.uk/eudn/2017/302/annex/division/3/division/1/division/1.11/division/BAT+18 (the official version)
Page: https://openlegislation.uk/eu-decision-2017-302/annex/division-3/division-1/division-1.11/division-BAT+18
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.