Construction products: Assessment of release of dangerous substances - Determination of ecotoxicity of construction product eluates

This technical specification addresses the assessment of hazardous substance release from construction products, specifically focusing on the eco-toxicity determination of leachates. It establishes a standardized methodology for evaluating the potential environmental impact of construction materials when they interact with water. The procedure outlines the necessary steps to prepare test samples, conduct leaching experiments under controlled conditions, and analyze the resulting effluents for toxic effects on aquatic organisms. By providing a consistent approach to testing, the document supports the generation of reliable data regarding the ecological safety of building materials. This enables manufacturers and regulators to understand how specific products may affect water quality and ecosystems. The method covers aspects such as sampling techniques, leaching test setup, and the selection of appropriate bio-assays to measure toxicity. Adherence to this framework ensures that results are reproducible and comparable across different laboratories and regions, facilitating the assessment of environmental risks associated with the use of construction products in various applications.