+ANNEX XIII CRITICAL LEVELS FOR THE PROTECTION OF VEGETATION

ANNEX XIII CRITICAL LEVELS FOR THE PROTECTION OF VEGETATION



ANNEX XIII

CRITICAL LEVELS FOR THE PROTECTION OF VEGETATION



Averaging period

Critical level

Margin of tolerance

Sulphur dioxide

Calendar year and winter (1 October to 31 March)

20 μg/m3

None

Oxides of nitrogen

Calendar year

30 μg/m3 NOx

None

1. Vue d’ensemble

,

1.1 Références

1.2 Exigences identifiées

1.3 Normes associées

2. Exigences identifiées

Exigences

3. Normes associées

Normes