Rar — 231111

These reports were developed under Council Regulation (EEC) 793/93 to evaluate the risks of existing substances to human health and the environment. Substance : Nickel (Metallic) EU Number : 231-111-4 CAS Number : 7440-02-0

: Reliable background concentrations in natural surface waters range between 0.33 and 5.13 µg/L in sampled European regions. 4. Risk Management and Recovery

: Risk assessment regarding human health and environmental exposure.

⚠️ : This report summarizes the findings of the EU RAR process. For technical compliance, always refer to the ECHA Nickel Information Page for the most current REACH registration data. If you'd like, I can:

: Research shows that aquatic animals can regulate metals, leading to an inverse relationship between water concentration and the Bioconcentration Factor (BCF).