It’s a benefit of Brexit – but only if you’re a manufacturer or distributor of toxic chemicals. For the rest of us, it’s another load we have to carry on behalf of the shysters and corner-cutters who lobbied for the UK to leave the EU.

The government insisted on a separate regulatory system for chemicals. At first sight, it’s senseless: chemical regulation is extremely complicated and expensive. Why replicate an EU system that costs many millions of euros and employs a small army of scientists and administrators? Why not simply adopt as UK standards the decisions it makes? After all, common regulatory standards make trading with the rest of Europe easier. Well, now we know. A separate system allows the UK to become a dumping ground for the chemicals that Europe rules unsafe.

While negotiating our exit from the EU, the government repeatedly promised that environmental protections would not be eroded. In 2018, for example, the then environment secretary Michael Gove, in a speech titled Green Brexit, claimed “not only will there be no abandonment of the environmental principles that we’ve adopted in our time in the EU, but indeed we aim to strengthen environmental protection measures”. Such pledges turn out to be as dodgy as a £3 coin with Boris Johnson’s head on it.

Our proudly sovereign regulatory system immediately descended into total chaos: chaos of the kind that the warlord capitalists who backed the leave campaign might have been hoping for. It took the UK’s Health and Safety Executive (HSE) until last month to publish its chemicals regulation work programme for the financial year 2023-2024. That was, erm, six weeks before the period expired. You’ll remember, of course, how Brexit would enable us to escape the........

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