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如何计算文章中候选清单物质的浓度？

问题（中文）
如何计算文章中候选清单物质的浓度？
Question (EN)
How do I calculate the concentration of a Candidate List substance in my article?
中文内容由 Google Cloud Translation 自动生成，仅供参考；请以英文原文为准。问答资料来自欧盟化学品管理局（ECHA）官方网站。
答案（中文）
触发您申报义务的条件之一是，当物品中候选清单物质的浓度超过0.1% w/w时。您应该计算每件生产或进口物品中该物质的浓度。此阈值适用于由多个物品连接或组装而成的进口物品中的每件物品。更多信息和示例，请参阅《物品中物质要求指南》第3.2.3.1章。《物品中物质要求指南》可在欧洲化学品管理局（ECHA）网站上获取：http://echa.europa.eu/guidance-documents/guidance-on-reach
Answer (EN)
One of the conditions that triggers your obligation to notify is when the concentration of the Candidate List substance exceeds 0.1% w/w in the article. You should calculate the concentration of the substance for each article as produced or imported. This threshold applies to each article of an imported object made up of more than one article, which were joined or assembled together. For more information and examples, see chapter 3.2.3.1 of the Guidance on requirements for substances in articles. The Guidance on requirements for substances in articles is available on the ECHA website at: http://echa.europa.eu/guidance-documents/guidance-on-reach