# Commission Decision (EU) 2018/229 of 12 February 2018 establishing, pursuant to Directive 2000/60/EC of the European Parliament and of the Council, the values of the Member State monitoring system classifications as a result of the intercalibration exercise and repealing Commission Decision 2013/480/EU (notified under document C(2018) 696) (Text with EEA relevance), Division: NORTHERN RIVERS GEOGRAPHICAL INTERCALIBRATION GROUP RESULTS Biological Quality Element Macrophytes and Phytobenthos Sub-Biological Quality Element Phytobenthos

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

Country
National classification systems intercalibrated
Ecological Quality Ratios
High-Good boundary
Good-Moderate boundary
Finland
Finnish river phytobenthos method
0,8
0,6
Sweden
Indice de Polluosensibilité Spécifique (IPS)
0,89
0,74
Ireland
Revised form of Trophic Diatom Index (TDI)
0,93
0,78
United Kingdom
DARLEQ 2
1,0
0,75
Norway
Periphyton Index of Trophic Status (PIT)
0,99
(Ca ≤ 1 mg/l)
0,83
0,95
(Ca > 1 mg/l)

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Source: https://www.legislation.gov.uk/eudn/2018/229/annex/division/1/division/5/division/4 (the official version)
Page: https://openlegislation.uk/eu-decision-2018-229/annex/division-1/division-5/division-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.