The Cost of Chemical Innovation: New Chemical Review under New TSCA.

The U.S. Environmental Protection Agency's (EPA) implementation of the 2016 amendments to the Toxic Substances Control Act (TSCA) has been timely and laudable. Implementation of Section 5 (new chemicals) revisions has been less successful. EPA has recently taken steps that reflect a significant positive shift in EPA's approach to reviewing new chemicals. The revised approach better implements the law as written and the national policy, articulated in TSCA Section 2 and unchanged since 1976, to review new chemicals 'in such a manner as not to impede unduly or create unnecessary economic barriers to technological innovation. [ABSTRACT FROM AUTHOR]