Change of https://www.gov.uk/government/publications/biotoxin-and-phytoplankton-monitoring

Change description : 2026-06-26 13:56:00: Live updates has been updated to remove Porthallow from the list of closed production areas (now open) [Guidance and regulation]

Showing diff : 2026-06-25 14:34:20.315053244 +00:00..2026-06-26 12:56:24.551965947 +00:00

Statutory guidance

Biotoxin and phytoplankton monitoring

The risks of marine biotoxins and phytoplankton that infect shellfish and what food businesses can do about them.

From:
Food Standards Agency
Published
15 January 2020
Last updated
2526 June 2026 — See all updates

Applies to England, Northern Ireland and Wales

Documents

Biotoxin and phytoplankton monitoring

HTML

Protocol for sampling and transport of shellfish for Northern Ireland

PDF, 316 KB, 8 pages

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Protocol for the collection and transport of shellfish samples for England & Wales

PDF, 577 KB, 16 pages

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Shellfish end product test Northern Ireland

PDF, 471 KB, 1 page

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Protocol for sampling and transport of water samples for Northern Ireland

PDF, 142 KB, 6 pages

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Protocol for the collection and transport of water for England & Wales

PDF, 271 KB, 15 pages

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Biotoxin and phytoplankton sampling plans for England and Wales

MS Excel Spreadsheet, 337 KB

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Shellfish and water sample submission form for Northern Ireland

PDF, 44.6 KB, 1 page

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Details

The risks of marine biotoxins and phytoplankton that infect shellfish and what food businesses can do about them.

Updates to this page

Published 15 January 2020
Last updated 2526 June 2026 — Show all updates

  1. Live updates has been updated to remove Porthallow from the list of closed production areas (now open)

  2. Mevagissey Bay and St. Austell Bay have been removed from the closed production area list.

  3. Added translation

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Update history

2026-06-26 13:56
Live updates has been updated to remove Porthallow from the list of closed production areas (now open)

2026-06-25 15:33
Mevagissey Bay and St. Austell Bay have been removed from the closed production area list.