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Environmental Risk Assessment Strategy for Nanomaterials
Janeck J Scott-Fordsmand1, Willie J G M Peijnenburg2,3, Elena Semenzin4
1Department of Bioscience, Aarhus University, Vejlsøvej 25, P.O. Box 314, 8600 Silkeborg, Denmark. jsf@bios.au.dk.
International Journal of Environmental Research and Public Health
|October 20, 2017
Summary
This paper details Environmental Risk Assessment (ERA) for nanomaterials (NMs), covering data, models, and advancements across four key domains. It provides a framework for assessing NM risks in the environment.
Area of Science:
- Environmental Science
- Nanotechnology
- Risk Assessment
Background:
- Environmental Risk Assessment (ERA) frameworks are crucial for understanding the impact of nanomaterials (NMs).
- Existing literature often lacks comprehensive details on data requirements and models for NM risk assessment.
- A structured approach is needed to address the unique challenges posed by NMs in environmental safety evaluations.
Purpose of the Study:
- To outline a detailed Environmental Risk Assessment (ERA) framework specifically for nanomaterials (NMs).
- To describe data requirements, models, and advancements across the four core domains of NM risk assessment.
- To provide a comprehensive guide for conducting robust environmental safety assessments of NMs.
Main Methods:
- Characterization of NMs according to legislative requirements for foundational data.
- Modeling of release, fate, and exposure to identify potential and relevant exposure scenarios (PES/RES).
- Hazard characterization using relevant organisms/functions to determine Predicted No-Effect Concentrations (PNEC).
Main Results:
- Detailed description of data needs and models for materials, release, fate, exposure, hazard, and risk characterization domains.
- Methodology for calculating generic and refined Predicted Environmental Concentrations (PEC).
- Approaches for deriving Predicted No-Effect Concentrations (PNEC) using uncertainty factors or species sensitivity distributions.
Conclusions:
- The paper presents a structured and comprehensive methodology for the Environmental Risk Assessment (ERA) of nanomaterials (NMs).
- The described framework integrates material characterization, exposure modeling, and hazard assessment for robust risk characterization.
- This approach facilitates a more accurate and reliable evaluation of environmental risks associated with NMs.
