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Explosives precursors and poisons

Guidance for the public and businesses on using, storing and selling explosives precursors and poisons, as well as how to apply for a licence.

Explosive precursors are chemicals that may be used in the illicit manufacture of explosives.

Users of certain chemicals should read the guidance before applying for an explosives precursors and poisons (EPP) licence.

An EPP licence issued by the Home Office is no longer be recognised in Northern Ireland. See marketing and use of explosives precursors in Northern Ireland.

For retailer-specific information on selling chemicals responsibly, see ProtectUK.

Report suspicious chemical activity

Explosives precursors and poisons: general guidance

Explosives precursors and poisons licensing: guidance for home users

Explosives precursors and poisons licensing: guidance for businesses

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