Final TSCA Risk Eval for HBCD Now Available

Posted on 9/28/2020 by Roger Marks

Update 07/07/2022
EPA is working to revise many of the TSCA chemical risk determinations completed in 2020. A Final revised Risk Determination for Cyclic Aliphatic Bromide Cluster chemicals (including HBCD) was announced on June 29, 2022.

Update 11/04/20
EPA will host a webinar concerning the risk management process under TSCA and the findings in the final risk evaluation for HBCD on November 20. Details

US EPA has completed another chemical risk evaluation required by the amended Toxic Substances Control Act (TSCA). The latest risk evaluation concerns a class of flame retardants called Cyclic Aliphatic Bromide Cluster chemicals, namely hexabromocyclododecane or HBCD.

EPA’s risk evaluation found “unreasonable risk” for six of the twelve uses of HBCD studied.   

Read the Final Risk Evaluation for HBCD

HBCD is one of the first ten priority chemicals EPA chose for risk evaluations in 2016. 

Final TSCA Risk Eval for HBCD Now Available

What is HBCD?

HBCD’s primary use is as a flame retardant in building materials like insulation, solder paste, recycled plastics, and replacement car parts. It has been largely substituted out of use in the United States in recent years.

Evidence supports HBCD being a persistent, bioaccumulative, toxic chemical. High concentrations of the chemical have been found in samples of animals.

EPA has had an HBCD Action Plan in place since at least 2010.

What's Happens Next?

Now that EPA has identified the unreasonable risks that HBCD poses under some of its uses, they must address those risks with regulatory action within two years. EPA's menu of risk management options includes prohibition or limits on manufacture, processing, or distribution of the chemical, worker protections, disposal restrictions, and more. 

EPA continues to plow through its backlog of chemical risk evaluations required by the Lautenberg Law or LCSA, which amended TSCA. 

Under the law, EPA is expected to be at work on twenty chemical risk evaluations at any given time. Earlier this month, EPA released scope documents for the next twenty high-priority chemicals that will undergo risk evaluation. 

Oct. 20–21 | Complete EPA Regulations Training

This unique two-day webinar covers the latest environmental regulations you should be familiar with for 2021: 

  • EPA's new Waters of the US (WOTUS) Rule

  • Major Lautenberg Law amendments to TSCA

  • CSB's new chemical release reporting rule 

  • The latest Clean Air Act requirements for facilities 

Join a Lion instructor live on October 20–21 to get a strong handle on the EPA requirements that impact your facility, how these programs fit together, and what you must do to comply.  

Tags: Chemical safety, chemicals, EPA, Lautenberg Law, TSCA

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