GB/T 31270.7-2025 in English

This standard outlines the procedures and methods for conducting bioaccumulation tests as part of the environmental safety assessment of chemical pesticides. It provides detailed guidelines on experimental design, sample collection, data analysis, and reporting requirements to ensure consistency and reliability in testing outcomes. The document specifies the necessary conditions for laboratory and field studies, including the selection of test organisms, exposure durations, and measurement parameters. It also covers the handling and disposal of test materials to minimize environmental impact. The standard is structured to support regulatory compliance and scientific research in assessing the potential for chemical pesticides to accumulate in living organisms within ecosystems.