AquaCompliance EU
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No. 23

Nickel

Nickel and its compounds

CAS: 7440-02-0Category: MetalsDirective: EU 2026/805 Annex VI
Compliance target22 December 2033

Environmental Quality Standards

Water EQS

Values in μg/L (micrograms per litre)

AA-EQS — Inland waters2 μg/L
AA-EQS — Coastal & transitional3.1 μg/L
MAC-EQS — Inland waters8.2 μg/L
MAC-EQS — Coastal & transitional8.2 μg/L

Monitoring guidance

  • Standard annual monitoring applies.