John Wiley & Sons, Ltd.

How toxic is coal ash? A laboratory toxicity case study

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Under a consent agreement among 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 since 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 TVA Kingston ash spill, results of which help provide additional perspective on the toxicity of coal ash. Integr Environ Assess Manag © 2014 SETAC

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