Division BAT 43 BAT is to monitor pollutants in waste water and potentially contaminated surface run-off water prior to each batch discharge in accordance with EN standards. If EN standards are not available, BAT is to use ISO, national or other international standards that ensure the provision of data of an equivalent scientific quality.

United Kingdom

Substance/Parameter	Standard(s)
Specific substances are monitored, depending on the composition of the biocidal products in use in the process.
The monitoring only applies if copper compounds are used in the process.
The monitoring only applies to plants using solvent-based treatment chemicals. Specific substances are monitored, depending on the solvents in use in the process.
The monitoring only applies to plants using creosote treatment.
Biocides^f1	EN standards might be available depending on the composition of the biocidal products
Cu^f2	Various EN standards available (e.g. EN ISO 11885, EN ISO 17294-2, EN ISO 15586)
Solvents^f3	EN standards available for some solvents (e.g. EN ISO 15680)
PAHs^f4	EN ISO 17993
Benzo[a]pyrene	EN ISO 17993
HOI	EN ISO 9377-2

Annotations

f1: Specific substances are monitored, depending on the composition of the biocidal products in use in the process.
f2: The monitoring only applies if copper compounds are used in the process.
f3: The monitoring only applies to plants using solvent-based treatment chemicals. Specific substances are monitored, depending on the solvents in use in the process.
f4: The monitoring only applies to plants using creosote treatment.