Article 11 Reference measurement methods, modelling applications and data quality objectives

1.   Member States shall apply the reference measurement methods specified in Points A and C of Annex VI.

However, other measurement methods may be used subject to the conditions set out in Points B, C and D of Annex VI.

2.   Member States shall apply air quality modelling applications subject to the conditions set out in Point E of Annex VI.

3.   Air quality assessment data shall meet the data quality objectives laid down in Annex V.