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Abstract：
Under a consent agreement among the Environmental Protection Agency (EPA) and proponents both for and against stricter regulation, EPA is to issue a new coal ash disposal rule by the end of 2014. Laboratory toxicity investigations often yield conservative estimates of toxicity because many standard test species are more sensitive than resident species, thus could provide information useful to the rule-making. However, few laboratory studies of coal ash toxicity are available; most studies reported in the literature are based solely on field investigations. This brief communication describes a broad range of toxicity studies conducted for the Tennessee Valley Authority (TVA) Kingston ash spill, results of which help provide additional perspective on the toxicity of coal ash.
摘要：
根据环境保护局（EPA）和支持者之间的同意协议，支持和反对更严格的法规，EPA将于2014年底发布新的粉煤灰处理规则。实验室毒性调查通常会产生保守的毒性估计，因为许多标准测试物种比常驻物种更敏感。因此可以提供对规则制定有用的信息。然而,很少有关于粉煤灰毒性的实验室研究；文献中报道的大多数研究仅基于现场调查。这份简短的通讯描述了对田纳西河谷管理局（TVA）金斯敦火山灰泄漏进行的广泛的毒性研究，这些结果有助于为粉煤灰的毒性提供额外的视角。
