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CRED: Criteria for reporting and evaluating ecotoxicity data
Caroline T A Moermond1, Robert Kase2, Muris Korkaric3
1Centre for Safety of Substances and Products, National Institute for Public Health and the Environment RIVM, Bilthoven, The Netherlands.
Environmental Toxicology and Chemistry
|September 25, 2015
Summary
The Criteria for Reporting and Evaluating Ecotoxicity Data (CRED) method enhances the reliability and consistency of ecotoxicity study evaluations for environmental risk assessment. This standardized approach improves transparency and accuracy in deriving safe environmental concentrations.
Area of Science:
- Environmental Toxicology
- Ecotoxicology
- Risk Assessment
Background:
- Environmental quality standards (EQSs) and predicted-no-effect concentrations (PNECs) rely on ecotoxicity data.
- Current methods for evaluating ecotoxicity study reliability and relevance are often subjective, leading to bias and inconsistency.
- Existing expert judgment introduces variability in risk assessments across different regulatory frameworks and assessors.
Purpose of the Study:
- To introduce and evaluate the Criteria for Reporting and Evaluating Ecotoxicity Data (CRED) method.
- To improve the reproducibility, transparency, and consistency of ecotoxicity data evaluations.
- To provide standardized reporting recommendations for aquatic ecotoxicity studies.
Main Methods:
- Development of the CRED evaluation method, comprising 20 reliability and 13 relevance criteria with guidance.
- A ring test where risk assessors evaluated the CRED method against the Klimisch method.
- Formulation of 50 reporting criteria across six categories for aquatic ecotoxicity studies.
Main Results:
- Risk assessors found the CRED method more accurate, applicable, consistent, and transparent than the Klimisch method.
- The CRED method aims to reduce bias and enhance consistency in evaluating ecotoxicity data.
- Comprehensive reporting recommendations are provided to improve study quality and regulatory acceptance.
Conclusions:
- The CRED evaluation method offers a standardized and improved approach for assessing ecotoxicity studies.
- Enhanced reporting of ecotoxicity studies increases their likelihood of regulatory acceptance and aids peer review.
- Implementation of CRED promotes greater consistency and transparency in environmental risk assessment globally.
