This technical appendix investigates the scientific basis for establishing water quality criteria for aluminum. It compiles and analyzes available scientific data to determine the concentrations of aluminum that may adversely affect aquatic life and human health. The document serves as a technical resource for regulators and scientists involved in water quality management.

This document is a technical appendix intended for scientific and regulatory audiences. It provides the detailed scientific rationale underpinning water quality guidelines for aluminum, drawing on extensive research and data analysis. Its value lies in its comprehensive compilation of toxicological and environmental data relevant to aluminum's impact on aquatic life and human health.