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West Virginia Chemical Spill

Supporting data files and reports are from studies conducted by NTP on chemicals associated with the Elk River spill in West Virginia. These data were used as the basis for the updates that NTP released in 2014-2016 ( The data and results for this study have been peer reviewed by an external expert.

If you need help accessing these data, please contact

Supporting data files were posted on July 8, 2016.

Zebrafish Developmental Toxicity and Photomotor Response

Zebrafish Developmental Toxicity Study

Zebrafish Photomotor Response Study