contaminated

It is unclear what the source is in each system, but experts say it could be from unpasteurized milk, wild bird droppings or discarded contaminated animal products.

If testers find something potentially dangerous - stronger than usual, contaminated, or sold as something it's not - they'll put a warning out to clubbers.

In February 2023, an environmental review identified a contamination risk from "asbestos-containing materials in existing buildings and contaminated ground", while a due diligence report assessed conditions at the site as "high risk".

He says spills from oil wells and pipelines were "a recurring situation", and that he was involved in transporting contaminated soil away from roads, so it would not be seen.

He was contaminated after the nerve agent was smeared on former Russian spy Mr Skripal’s door handle in Salisbury in March 2018.