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Substances that are classed as persistent organic pollutants (POPs) and when you're allowed to use them.
Find out what animal by-products you can use to make biodiesel, whether you need approval, how to process them and how to use the products.
Get help to classify organic chemicals that contain certain permitted additives or can be dissolved in water, for import and export.
Groups of ODS with their ozone-depleting potential.
A list of all F gases and their global warming potentials.
Get help to classify pharmaceutical products used to treat or prevent diseases or ailments (in humans or animals), including comparators used in clinical trials and placebos.
Find out if the goods you're declaring to inward or outward processing are classed as sensitive goods.
How to use and supply animal by-products (ABPs) as farm animal feed or in feed, and how to get your site registered and approved.
Guidance for vets, importers and border control officials when importing fats that are not for human consumption to Great Britain.
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