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EPA Publishes Final List of 20 High-Priority Chemicals

The U.S. Environmental Protection Agency (EPA) published on December 20, 2019, the final list of high-priority chemicals.  These chemicals will be the next 20 chemicals to undergo risk evaluation under the amended Toxic Substances Control Act (TSCA).  According to EPA, issuing the final list of high-priority chemicals for risk evaluation “represents the final step in the prioritization process outlined in TSCA and marks another major TSCA milestone for EPA in its efforts to ensure the safety of existing chemicals in the marketplace.”  The 20 chemicals consist of seven chlorinated solvents, six phthalates, four flame retardants, formaldehyde, a fragrance additive, and a polymer precursor:

  1. p-Dichlorobenzene;

  2. 1,2-Dichloroethane;

  3. trans-1,2- Dichloroethylene;

  4. o-Dichlorobenzene;

  5. 1,1,2-Trichloroethane;

  6. 1,2-Dichloropropane;

  7. 1,1-Dichloroethane;

  8. Dibutyl phthalate (DBP) (1,2-Benzene- dicarboxylic acid, 1,2- dibutyl ester);

  9. Butyl benzyl phthalate (BBP) - 1,2-Benzene- dicarboxylic acid, 1- butyl 2(phenylmethyl) ester;

  10. Di-ethylhexyl phthalate (DEHP) - (1,2-Benzene- dicarboxylic acid, 1,2- bis(2-ethylhexyl) ester);

  11. Di-isobutyl phthalate (DIBP) - (1,2-Benzene- dicarboxylic acid, 1,2- bis-(2methylpropyl) ester);

  12. Dicyclohexyl phthalate;

  13. 4,4'-(1-Methylethylidene)bis[2, 6-dibromophenol] (TBBPA);

  14. Tris(2-chloroethyl) phosphate (TCEP);

  15. Phosphoric acid, triphenyl ester (TPP);

  16. Ethylene dibromide;

  17. 1,3-Butadiene;

  18. 1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethylcyclopenta [g]-2-benzopyran (HHCB);

  19. Formaldehyde; and

  20. Phthalic anhydride.

More information will be available in a forthcoming memorandum

©2020 Bergeson & Campbell, P.C.National Law Review, Volume IX, Number 354
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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...

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Carla Hutton, Bergeson Campbell PC, global regulatory attorney, public health activists lawyer, metals industry legal counsel, Toxic Substances Control Act law
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...

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