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.

Particulate mattter

EC / List no: - CAS no: -
Upper assessment threshold
17 ug/m3
Lower assessment threshold
12 ug/m3
Average limit
25 ug/m3
Tolerance margin
20 %
Exposure conc. Obligation
20 ug/m3
Objective
Protection of Human Health
Target value
25 ug/m3
Average sampling duration
1 year
Qualifier
Passes through a size-selective inlet as defined in the reference method for the sampling and measurement of PM 2,5, EN 14907, with a 50 % efficiency cut- off at 2,5 µm aerodynamic diameter.
Annex
XIV (Section C),XIV (Section D), XIV (Section E),II (Section A3)
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

08 Date by which limit value is to be met: 1 January 2010

25 Stage 2 sets up the limit value to 20 ug/m3 with 1 January 2020 as the date by which the limit value is to be met. The indicative limit value for Stage 2 to be reviewed by the Commission in 2013 in the light of further information on health and environmental effects, technical feasibility and experience of the target value in Member States

26 Year by which limit exposure concentration obligation is to be met: 2015

30 Average Limit is the Limit Value, a level fixed with the aim of avoiding, preventing or reducing harmful effects on human health and/or the environment and not to be exceeded once attained


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