# Commission Regulation (EU) No 406/2010 of 26 April 2010 implementing Regulation (EC) No 79/2009 of the European Parliament and of the Council on type-approval of hydrogen-powered motor vehicles (Text with EEA relevance), Division 4.6.2


A copper or brass hydrogen containing component shall comply with the leakage tests referred to in sections 4.3. and 4.12. and after being submitted to 24 hours immersion in ammonia according to ISO 6957 with all connections closed.

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Source: https://www.legislation.gov.uk/eur/2010/406/annex/III/part/3/division/4/division/4.6/division/4.6.2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2010-406/annex-III/part-3/division-4/division-4.6/division-4.6.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.