Article 2.5.2.3.2.

1.

The necessary measures shall be taken to ensure that the levels of sulphur dioxide, nitrogen dioxide, PM10, lead, benzene and carbon monoxide in the air throughout the zones and agglomerations do not exceed the limit values stated in Appendix 2.5.3.11.

Compliance with these regulations shall be assessed in accordance with Appendix 2.5.3.3.

The established margins of tolerance stated in Appendix 2.5.3.11 shall be applied in accordance with Article 2.5.2.3.11, paragraph 3, and Article 2.5.2.4.1, 1.

2.

The alarm thresholds stated in Appendix 2.5.3.12, Part A, shall apply to the concentrations of sulphur dioxide and nitrogen dioxide in the air.