Background and CEN standardisation work Problems in mass concentration measurements of PM2.5 Recommendations for monitoring PM2.5 Regarding the measurement method: Regarding the PM2.5 specific inlet: Regarding the instruments:

Commission Decision

of 29 April 2004

concerning guidance on a provisional reference method for the sampling and measurement of PM2.5

(notified under document number C(2004) 1713)

(Text with EEA relevance)

(2004/470/EC)

THE COMMISSION OF THE EUROPEAN COMMUNITIES,

Having regard to the Treaty establishing the European Community,

Having regard to Council Directive 1999/30/EC of 22 April 1999 relating to limit values for sulphur dioxide, nitrogen dioxide and oxides of nitrogen, particulate matter and lead in ambient air1, and in particular the third subparagraph of Article 7(5) and Section V of Annex IX thereof,

After consulting the Committee instituted by Article 12 (2) of Council Directive 96/62/EC2,

Whereas:

(1)

Pending the establishment by the European Committee for Standardisation (CEN) of a reference method for the sampling and measurement of PM2.5 guidance concerning a provisional reference method for such sampling and measurement should e provided;

(2)

Commission Decision 2003/37/EC of 16 January 2003 gives guidance on a such provisional reference method3

(3)

Decision 2003/37/EC should be amended due to an omission in its Annex concerning the sampling devices used in field validation campaigns; at the same time other information in that Annex with regard to measurement methods and the state of validation work should be updated for clarification and to take account of technical progress;

(4)

Decision 2003/37/EC should be replaced in the interests of clarity,

HAS ADOPTED THIS DECISION: