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From the Editors

机译:来自编辑

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摘要

This issue begins with three provocative letters to the editor. Dioxins have been a scientific puzzle and public policy issue for 60 years. Joshua Cohen and G. M. Gray comment on the U.S. EPA's reassessment of the toxicity of dioxin, using a National Academy of Science panel as the launching point. Next, a letter from Jamie Donatuto, Barbara Harper, and Catherine O'Neill asserts that present Native American fish consumption rates are artificially low at this time and using the low consumption rates in risk assessment can unintentionally set an inappropriate fish consumption level and hence impact tribal rights to consume fish. The last of our three letters is from Ted Yellman regarding a recent article by Tony Cox about the definition of frequency and how it relates to risk analysis. Yellman distinguishes between "event-truncated" and "time-truncated" distributions. In a response, Cox counters that this distinction is not relevant to the subject of his essay.
机译:本期杂志以给编辑的三封挑衅性信件开头。二恶英一直是科学难题和公共政策问题已有60年了。约书亚·科恩(Joshua Cohen)和格林·格雷(G.M. Gray)以美国国家科学院(National Academy of Sciences)小组为出发点,对美国EPA对二恶英毒性的重新评估进行了评论。接下来,来自杰米·多纳图托(Jamie Donatuto),芭芭拉·哈珀(Barbara Harper)和凯瑟琳·奥尼尔(Catherine O'Neill)的一封信断言,目前美国原住民的鱼类消费率目前人为地较低,在风险评估中使用低消费率会无意中设置不适当的鱼类消费水平,从而影响部落食用鱼的权利。我们的三封信中的最后一封来自Ted Yellman,作者是Tony Cox最近发表的一篇文章,内容涉及频率的定义及其与风险分析的关系。 Yellman区分“事件截断”和“时间截断”的分布。在回应中,考克斯反驳说,这种区别与他的论文主题无关。

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