# Commission Regulation (EC) No 1737/2006 of 7 November 2006 laying down detailed rules for the implementation of Regulation (EC) No 2152/2003 of the European Parliament and of the Council concerning monitoring of forests and environmental interactions in the Community, Division (71): Scoring and scoring definition for visible ozone injury as it is expressed on the respective needle years for the collected branch lets of conifer species

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

0 No injury present
1 1-5 % of the surface is affected
2 6- 50 % of the surface is affected
3 51 – 100 % of the surface is affected.

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Source: https://www.legislation.gov.uk/eur/2006/1737/annex/I/chapter/15/division/11/division/71 (the official version)
Page: https://openlegislation.uk/eu-regulation-2006-1737/annex-I/chapter-15/division-11/division-71
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.