TSCA Update: Draft Risk Evaluation for 1,1,2-Trichloroethane

On July 24, EPA released a Draft Risk Evaluation for 1,1,2-Trichloroethane for public review. In the draft risk evaluation, EPA finds that 1,1,2-Trichloroethane poses an unreasonable risk to workers engaged in ten specific occupational uses of the chemical, who may be exposed via inhalation or through their skin. The evaluation did not identify unreasonable risk to public health or the environment.

The occupational uses of the chemical which pose an unreasonable risk to workers include manufacturing, processing, repackaging, recycling, industrial and commercial use (solvents, adhesives, and sealants), and disposal.

Comments on the draft risk evaluation are due September 28, 2026. More information can be found on the Agency’s website.

What’s Next?

Because the risk evaluation identified 10 occupational uses that contribute to an “unreasonable risk” to workers’ health, EPA must now develop regulatory requirements to address the occupational risks. New risk management requirements (under TSCA) can include standards for respirator use, chemical reporting responsibilities, and restrictions or “bans” on activities involving the chemical.

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