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Division BAT 25

United Kingdom

Original text. Later amendments are not shown.

BAT is to monitor ammonia emissions to air using one of the following techniques with at least the frequency given below.

A description of the techniques is given in Section 4.9.2.
Techniquef1 FrequencyApplicability
aEstimation by using a mass balance based on the excretion and the total (or total ammoniacal) nitrogen present at each manure management stage.Once every year for each animal category.Generally applicable.
bCalculation by measuring the ammonia concentration and the ventilation rate using ISO, national or international standard methods or other methods ensuring data of an equivalent scientific quality.

Every time there are significant changes to at least one of the following parameters:

  1. (a)

    the type of livestock reared at the farm;

  2. (b)

    the housing system.

Only applicable to emissions from each animal house.

Not applicable to plants with an air cleaning system installed. In this case, BAT 28 applies.

Due to the cost of measurements, this technique may not be generally applicable.

cEstimation by using emission factors.Once every year for each animal category.Generally applicable.

Annotations

Footnotes

f1

A description of the techniques is given in Section 4.9.2.