+Article 4 5.

Article 4 5.

Where pollutants have to be measured, the measurements shall be taken at fixed sites either continuously or by random sampling. The number of measurements shall be sufficient to enable the levels to be determined.

1. Forbhreathnú

,
Teideal Rialáil

1.1 Tagairtí

1.2 Ceanglais aitheanta

1.3 Caighdeáin ghaolmhara

2. Ceanglais aitheanta

Ceanglais
Foinse Ceanglas

3. Caighdeáin ghaolmhara

Caighdeáin
Foinse Ceanglas