January 25, 2021

Volume XI, Number 25

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January 22, 2021

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EPA Seeks Comment on Supplemental Analysis to Draft Risk Evaluation of 1,4-Dioxane

The U.S. Environmental Protection Agency (EPA) announced on November 20, 2020, the availability of a supplemental analysis to the draft risk evaluation of 1,4-dioxane under the Toxic Substances Control Act (TSCA).  85 Fed. Reg. 74341.  EPA states that it developed the supplemental analysis in response to public and peer review comments on the draft risk evaluation.  The supplemental analysis includes eight consumer uses, including surface cleaners, laundry/dishwashing detergents, and paint/floor lacquer, where 1,4-dioxane is present as a byproduct.  The supplemental analysis also assesses exposure to the general population from 1,4-dioxane in surface water.  In the supplemental analysis, EPA preliminarily found no unreasonable risk to consumers from the eight conditions of use assessed.  EPA also preliminarily found no unreasonable risks under any of the conditions of use to the general population from exposure to 1,4-dioxane.  Comments are due December 10, 2020.  More information on the draft risk evaluation of 1,4-dioxane is available in our July 2, 2019, memorandum.

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©2020 Bergeson & Campbell, P.C.National Law Review, Volume X, Number 330
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About this Author

Lynn Bergeson, Campbell PC, Toxic Substances Control Act Attorney, federal insecticide lawyer, industrial biotechnology legal counsel, Food Drug Administration law
Managing Partner

Lynn L. Bergeson has earned an international reputation for her deep and expansive understanding of the Toxic Substances Control Act (TSCA), the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), European Union Registration, Evaluation, Authorization and Restriction of Chemicals (REACH), and especially how these regulatory programs pertain to nanotechnology, industrial biotechnology, synthetic biology, and other emerging transformative technologies. Her knowledge of and involvement in the policy process allows her to develop client-focused strategies whether...

202-557-3801
Carla Hutto, Bergeson Campbell PC environmental law regulatory analyst,Toxic Substances Control Act law attorney
Regulatory Analyst

Since 1996, Carla Hutton has monitored, researched, and written about regulatory and legislative issues that may potentially affect Bergeson & Campbell, P.C. (B&C®) clients. She is responsible for creating a number of monthly and quarterly regulatory updates for B&C's clients, as well as other documents, such as chemical-specific global assessments of regulatory developments and trends. She authors memoranda for B&C clients on regulatory and legislative developments, providing information that is focused, timely and applicable to client...

202-557-3809
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