Authorisations of hexavalent chromium compounds (CrVI)

The Authorisation process under UK REACH aims to ensure that the substances of very high concern which are included on Annex 14 are progressively replaced by less dangerous substances or technologies where technically and economically feasible alternatives are available.

Substances listed on Annex 14 of UK REACH are subject to the requirement for a positive Authorisation decision by the Government for each specific use. A company should either apply for an authorisation themselves, or rely on an upstream application in their supply chain.

For each substance on Annex 14 there is a Sunset Date and a Latest Application Date (LAD). Anyone that wants to continue using a substance after the Sunset Date must:

• have been granted an authorisation
• have applied for authorisation before the LAD and are awaiting a decision
• previously have been authorised and have applied for reauthorisation at least 18 months before that authorisation was due to expire
• be a downstream user of an applicant that fulfils any of the criteria above

Prior to EU Exit, many GB businesses relied on authorisations granted to suppliers in the EU, but now GB supply chains have needed to readjust so that all those in GB are either an authorisation holder, or can rely on their supplier to have one which covers their use.

HSE is aware of an issue with authorisations granted in the EU for a variety of uses of hexavalent chromium (Cr VI) compounds. In 2020 the EU granted authorisations covering multiple GB businesses within EU and GB supply chains that end on 21 September 2024.

Any GB business working with Cr VI who have concerns as to whether they meet the requirements set out above are strongly encouraged to contact the UK REACH Helpdesk to discuss their situation.