It is usually perceived as a regulatory requirement and good business practice, since it can prevent failed batches when based on science and risk assessments.

因为它基于科学和风险评估可以预防不合格批，通常被理解为法规需要和良好的商业规范。

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to extend regulatory oversight and registration to Credit Rating Agencies to ensure they meet the international code of good practice, particularly to prevent unacceptable conflicts of interest.

加强对信用等级评估机构的监管与登记体制，确保它们符合国际惯例，特别是要防止不可调和的利益冲突。

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And did it follow good laboratory practice and can we then use it to set a regulatory guideline?

NPR: Waiting On Science To Say If Plastic Chemical Is Safe