van Wijk Dolf, Chénier Robert, Henry Tala, Hernando Maria D, Schulte Christoph
Euro Chlor, B-1160 Brussels, Belgium.
Integr Environ Assess Manag. 2009 Oct;5(4):697-711. doi: 10.1897/IEAM_2009-034.1.
This article summarizes discussions at the SETAC Pellston Workshop on "Science-Based Guidance and Framework for the Evaluation and Identification of PBTs and POPs" and provides an overview of other articles from that workshop that are also published in this issue. Identification of persistent, bioaccumulative, and toxic substances (PBTs) and persistent organic pollutants (POPs) and evaluation of their impact are more complicated than those for other chemicals and remain a challenge. The main reason for this is that PBT substance and POP assessment is associated with higher uncertainty and generally requires more data. However, for some data-rich PBTs and POPs, that identification and assessment of impact are feasible has been clearly demonstrated. New scientific developments and techniques are able to significantly increase the certainty of the various elements of PBT and POP assessment, and the current scientific literature provides many successful and illustrative examples that can be used as methodologies to build on. Applying multiple approaches for assessment is advisable, because it will reduce uncertainty and may increase confidence and improve the quality of decision-making.
本文总结了SETAC佩尔斯顿研讨会关于“基于科学的持久性、生物累积性和毒性物质（PBTs）及持久性有机污染物（POPs）评估与识别指南和框架”的讨论内容，并概述了该研讨会同期发表在本期杂志上的其他文章。持久性、生物累积性和毒性物质（PBTs）及持久性有机污染物（POPs）的识别及其影响评估比其他化学品更为复杂，仍然是一项挑战。主要原因在于，PBT物质和POP评估具有更高的不确定性，通常需要更多数据。然而，对于一些数据丰富的PBTs和POPs，其识别和影响评估的可行性已得到明确证明。新的科学进展和技术能够显著提高PBT和POP评估各要素的确定性，当前的科学文献提供了许多成功且具有启发性的实例，可作为构建评估方法的基础。采用多种评估方法是明智之举，因为这将减少不确定性，并可能增强信心、提高决策质量。
