+ANNEX XII INFORMATION AND ALERT THRESHOLDS

ANNEX XII INFORMATION AND ALERT THRESHOLDS



ANNEX XII

INFORMATION AND ALERT THRESHOLDS

A.   Alert thresholds for pollutants other than ozone

To be measured over three consecutive hours at locations representative of air quality over at least 100 km2 or an entire zone or agglomeration, whichever is the smaller.



Pollutant

Alert threshold

Sulphur dioxide

500 μg/m3

Nitrogen dioxide

400 μg/m3

B.   Information and alert thresholds for ozone



Purpose

Averaging period

Threshold

Information

1 hour

180 μg/m3

Alert

1 hour (1)

240 μg/m3

(1)   

For the implementation of Article 24, the exceedance of the threshold is to be measured or predicted for three consecutive hours.

1. Overzicht

,

1.1 Referenties

1.2 Geïdentificeerde eisen

1.3 Gerelateerde standaarden

2. Geïdentificeerde eisen

Eisen

3. Gerelateerde standaarden

Standaarden
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