# Commission Regulation (EU) No 582/2011 of 25 May 2011 implementing and amending Regulation (EC) No 595/2009 of the European Parliament and of the Council with respect to emissions from heavy duty vehicles (Euro VI) and amending Annexes I and III to Directive 2007/46/EC of the European Parliament and of the Council (Text with EEA relevance), Division 4.3.3: Replacement pollution control device technology family

Extent: E+W+S+N.I.

The manufacturer may identify a replacement pollution control device technology family, to be identified by basic characteristics which shall be common to devices within the family.
To belong to the same replacement pollution control device technology family the replacement pollution control devices shall have the following:
(a)the same emissions control mechanism (oxidation catalyst, three-way catalyst, particulate filter, selective catalytic reduction for NOx, etc.);
(b)the same substrate material (same type of ceramic, or same type of metal);
(c)the same substrate type and cell density;
(d)the same catalytically active materials and, where more than one, the same ratio of catalytically active materials;
(e)the same total charge of catalytically active materials;
(f)the same type of washcoat applied by the same process.

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Source: https://www.legislation.gov.uk/eur/2011/582/annex/XI/division/4/division/4.3/division/4.3.3 (the official version)
Page: https://openlegislation.uk/eu-regulation-2011-582/annex-XI/division-4/division-4.3/division-4.3.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.