air-ann-dir-2008-50

Annexes II VII XI XII XIII XIV - Assessment Thresholds & Limit Values

This list contains the Limit, Critical, Target and Long-term Values on ambient air for protection of human health and vegetation. It also contains the Alert, Information and Upper and Lower Assessment thresholds for sulphur dioxide, nitrogen dioxide, benzene, carbon monoxide, lead, PM2.5, PM10 and ozone.

Nitrogen dioxide

EC / List no: 233-272-6 CAS no: 10102-44-0
Critical Level
30 ug/m3
Upper assessment threshold
24 ug/m3
Lower assessment threshold
19.5 ug/m3
Tolerance margin
0 %
Objective
Protection of vegetation
Average sampling duration
1 year
Annex
XIII,II (Section A2)
Notes
01 Without prejudice to Annex I, the criteria for 'Required proportion of valid data' shall be used for checking validity when aggregating data and calculating statistical parameters

09 'Year' in Averaging period referes to 'calendar year'


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