Investigation reports

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The COMAH Competent Authority undertakes investigations as a result of an incident or complaint at a COMAH establishment. The investigation may be concerned with issues related to COMAH, or another legislative regime or many regimes (Health and Safety at Work Act or Environmental Permitting Regulations).

Final reports

The following reports are available from the National Archive:

Link URLs in this page

  1. COMAHhttps://www.hse.gov.uk/comah/index.htm
  2. Overview - Backgroundhttps://www.hse.gov.uk/comah/background/index.htm
  3. Seveso IIIhttps://www.hse.gov.uk/seveso/index.htm
  4. COMAH Regulations 2015https://www.hse.gov.uk/comah/background/comah15.htm
  5. Cost recovery in detailhttps://www.hse.gov.uk/comah/charging/index.htm
  6. The COMAH Competent Authorityhttps://www.hse.gov.uk/comah/authorityindex.htm
  7. Guidancehttps://www.hse.gov.uk/comah/guidance.htm
  8. Competent authority guidance and key internal CA procedureshttps://www.hse.gov.uk/comah/ca-guides.htm
  9. Notificationshttps://www.hse.gov.uk/comah/notification/index.htm
  10. Submitting public informationhttps://www.hse.gov.uk/comah/submitting-public-information.htm
  11. Establishments subject to COMAH 2015https://www.hse.gov.uk/comah/comah-establishments.htm
  12. Emergency plan testing during coronavirushttps://www.hse.gov.uk/comah/external-emergency-plan-tests-during-coronavirus.htm
  13. Resourceshttps://www.hse.gov.uk/comah/resources.htm
  14. Safety alertshttps://www.hse.gov.uk/comah/alerts/index.htm
  15. Investigation reportshttps://www.hse.gov.uk/comah/investigation-reports.htm
  16. Complete a short surveyhttps://www.surveymonkey.com/r/3YY388L
  17. The explosion of No. 5 Blast Furnace, Corus UK Ltd, Port Talbot 8 November 2001https://www.hse.gov.uk/pubns/web34.pdf
  18. The explosion of No. 5 Blast Furnace, Corus UK Ltd, Port Talbot 8 November 2001 Welsh versionhttps://www.hse.gov.uk/pubns/welsh/web34w.pdf
  19. Buncefield Oil Storage Depot, Hemel Hempstead – 11 December 2005https://webarchive.nationalarchives.gov.uk/ukgwa/20220701144443mp_/https://www.hse.gov.uk/comah/buncefield/index.htm
  20. Public report of the fire and explosion at the ConocoPhillips Humber refinery on 16 April 2001https://webarchive.nationalarchives.gov.uk/ukgwa/20220701144443mp_/https://www.hse.gov.uk/comah/conocophillips.pdf
  21. Major incident investigation report - BP Grangemouth, Scotland, May - June 2000https://webarchive.nationalarchives.gov.uk/ukgwa/20220701144443mp_/https://www.hse.gov.uk/comah/bpgrange/bprgrangemouth.pdf
  22. A Review of high-cost chemical/petrochemical accidents since Flixborough 1974https://webarchive.nationalarchives.gov.uk/ukgwa/20220701144443mp_/https://www.hse.gov.uk/comah/lossprev.pdf
  23. COMAH: Notification formhttps://www.hse.gov.uk/comah/assets/docs/comah-notification-form.xlsx
  24. A guide to the COMAH regulations 2015 (L111) https://www.hse.gov.uk/pubns/books/l111.htm
  25. Leadership for the major hazard industrieshttps://www.hse.gov.uk/pubns/indg277.htm
  26. Better alarm handlinghttps://www.hse.gov.uk/pubns/chis6.pdf
  27. Chemicalshttps://www.hse.gov.uk/chemicals/index.htm
  28. Nuclearhttp://www.onr.org.uk/
  29. Managing human factorshttps://www.hse.gov.uk/humanfactors/index.htm
  30. Safety bulletinshttps://www.hse.gov.uk/safetybulletins/index.htm
  31. Seveso III Directive https://www.hse.gov.uk/seveso/index.htm

Glossary of abbreviations/acronyms on this page

COMAH
Control of major accident hazards

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2025-02-06