《欧盟食品安全局(EFSA)指导性文件用于预测植物保护产品中活性物质的环境浓度以及这些活性物质在土壤中的转化产物》

  • 来源专题:农业立体污染防治
  • 编译者: 季雪婧
  • 发布时间:2021-03-18
  • 根据欧洲议会和欧盟理事会第1107/2009号条例(EC)的规定,欧盟食品安全局(EFSA)指导性文件,对评估植物保护产品(PPPs)及其转化产物暴露在土壤中的活性物质提供了指导。欧盟食品安全局(EFSA)针对欧盟委员会根据欧洲议会和欧盟理事会第178/2002号条例(EC)的第31条提出的问题,制定了该指导性文件。该指南适用于评估所有潜在需要评估生态毒理效应的浓度类型,例如在不同深度和不同时间窗口期下土壤中总浓度和孔隙水中的浓度。目前的指南同时考虑了稳定优势作物和一年生作物。推荐的暴露评估过程分为四个层次。为促进在监管过程中有效使用分层方法,特开发了用户友好型软件工具。在暴露评估的更高层次,可能包括作物截取和随后在作物冠层的消散。模拟这些过程的模型是协调一致的。此外,开发了易于使用的工作台,用于冲洗掉被作物冠层截取的小部分剂量,这应该与简单分析模型结合使用。关于特定物质的模型输入,该指南通常遵循先前的文件;但是,该指南包含了对针对某些特定物质参数的新的指导。

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    • 编译者:潘淑春
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