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Dioxins and dioxin-like compounds

Category: IndustrialDirective: EU 2026/805 Annex VI
Compliance target22 December 2033

Environmental Quality Standards

Water EQS

Values in μg/L (micrograms per litre)

AA-EQS — Inland waters
AA-EQS — Coastal & transitional
MAC-EQS — Inland watersna
MAC-EQS — Coastal & transitionalna

3.5×10⁻⁵ μg/kg ww (as WHO-TEQ)

Notes

Biota EQS only. Expressed as WHO Toxic Equivalency Quotient (WHO-TEQ).

Monitoring guidance

  • uPBT — reduced monitoring frequency permitted (guideline: ≥ every 3 years)
  • Requires biota or sediment monitoring in addition to (or instead of) water measurements