23.10.2001 Official Journal of the European Communities L 278/35 COMMISSION DECISION of 17 October 2001 amending Annex V to Council Directive 1999/30/EC relating to limit values for sulphur dioxide, nitrogen dioxide and oxides of nitrogen, particulate matter and lead in ambient air (notified under document number C(2001) 3091) (Text with EEA relevance) (2001/744[EC) THE COMMISSION OF THE EUROPEAN COMMUNITIES, (3)  The measures provided for in this Decision are in Having regard to the Treaty establishing the European Community, Having regard to Council Directive 1999/30/EC of 22 June 1999 relating to limit values for sulphur dioxide, nitrogen dioxide and oxides of nitrogen, particulate matter and lead in ambient air ('), and in particular Article 7(7) thereof, Whereas: (1) Limit values for sulphur dioxide, nitrogen dioxide and oxides of nitrogen, particulate matter and lead in ambient air are laid down in Directive 1999/30/EC. (2)  The method of determining the upper and lower assess- ment thresholds of those pollutants laid down in that Directive should be amended in order to clarify the calculation procedure. () O] L 163, 29.6.1999, p. 41. accordance with the opinion of the Committee instituted by Article 12(2) of Council Directive 96/62/EC (), HAS ADOPTED THIS DECISION: Article 1 Section II of Annex V to Directive 1999/30/EC is replaced by the text in the Annex to this Decision. Article 2 This Decision is addressed to the Member States. Done at Brussels, 17 October 2001. For the Commission Margot WALLSTROM Member of the Commission () O] L 296, 21.11.1996, p. 55.