April 1, 2014 at 04:12 PM
A company that is challenging the reach of the Environmental Protection Agency's Toxic Substances Control Act (TSCA) reporting rules is seeking to push back against agency claims that chemical producers have a broad duty to disclose results of health and safety studies and is alleging the claims are at odds with EPA guidance on the issue, with worker risks from exposure to hexavalent chromium at the center of the dispute.