GB/T 31270.5-2025 in English

This standard provides guidelines for conducting soil leaching tests as part of the environmental safety assessment of chemical pesticides. It outlines the procedures, equipment requirements, and data collection methods necessary to evaluate the potential migration of pesticide residues through soil. The test conditions are designed to simulate real-world scenarios, ensuring consistent and reliable results. The standard specifies the preparation of soil samples, the application of test substances, and the monitoring of leachate composition over time. It also includes criteria for interpreting the data to determine the environmental impact of the pesticide in question. The document serves as a reference for researchers, regulatory bodies, and industry professionals involved in pesticide safety assessments.