Linda Birnbaum (former Director, National Institute of Environmental Health Sciences), Penny Fenner-Crisp (former Senior Science Advisor, EPA Office of Pesticides Program), Betsy Southerland (former Director, Office of Science and Technology, EPA Office of Water), and Bob Sussman (former EPA Senior Policy Advisor and former EPA Deputy Administrator) penned this op-ed rebutting American Chemistry Council claims that policy improvements made by EPA to strengthen TSCA implementation are inconsistent with regulatory needs to protect human health and welfare.