All Knowledge & Insights By Date

The U.S. Environmental Protection Agency (EPA) announced on March 24, 2026, that it will propose to extend certain compliance dates in the December 2024 final risk management rules for perchloroethylene (PCE) and carbon tetrachloride (CTC) under the Toxic Substances Control Act (TSCA). According to EPA, it continues to revise the final rules “to ensure they are practical and implementable to protect human health and the environment and maintain uses that power the U.S. economy.” Until EPA...

The U.S. Environmental Protection Agency (EPA) announced on October 9, 2025, that it is beginning a 30-day comment period on its 2024 final risk management rule for carbon tetrachloride (CTC). 90 Fed. Reg. 48203. As reported in our January 13, 2025, memorandum, EPA published the final rule on December 11, 2024. After the final rule was published, several legal challenges were filed and then consolidated in the U.S. Court of Appeals for the Eighth Circuit. EPA states that it “has since...

The U.S. Environmental Protection Agency (EPA) released final risk management rules under the Toxic Substances Control Act (TSCA) for trichloroethylene (TCE) and perchloroethylene (PCE) on December 9, 2024, and for carbon tetrachloride (CTC) on December 11, 2024. EPA states that all uses of TCE will be banned over time, with “the vast majority of identified risks eliminated within one year,” and safer alternatives readily available for the majority of uses. The PCE rule will ban manufacture,...