All Knowledge & Insights By Date

On November 14, 2025, the U.S. Environmental Protection Agency (EPA) further postponed the effective date of the Toxic Substances Control Act (TSCA) Section 6(g) exemption requirements in the final risk management rule for tricholoroethylene (TCE) until February 17, 2026. 90 Fed. Reg. 51027. According to EPA’s November 13, 2025, press release, “[t]his will ensure that the timing of EPA’s administrative stay aligns with the court’s timeframe for this action.” EPA’s December 17, 2024,...

On August 20, 2025, the U.S. Environmental Protection Agency (EPA) extended the postponement of the effectiveness of certain regulatory provisions of the final Toxic Substances Control Act (TSCA) risk management rule for trichloroethylene (TCE) to November 17, 2025. 90 Fed. Reg. 40534. EPA is postponing certain requirements most recently postponed in June 2025. EPA notes that these requirements relate only to the TSCA Section 6(g) exemptions in the final TCE rule. As reported in our April 15,...

On June 23, 2025, the U.S. Environmental Protection Agency (EPA) extended the postponement of the effective date of certain regulatory provisions of its December 17, 2024, final risk management rule for trichloroethylene (TCE) until August 19, 2025. 90 Fed. Reg. 26453. As reported in our April 15, 2025, blog item, after EPA issued the final rule in December 2024, it received multiple petitions for an administrative stay of the effective date. EPA denied the requests, and the companies submitted...

The U.S. Environmental Protection Agency (EPA) provided on update on June 18, 2025, on the status of the December 2024 Toxic Substances Control Act (TSCA) risk management rule for trichloroethylene (TCE). According to EPA, it is postponing until August 19, 2025, certain requirements already postponed in March 2025. EPA notes that these requirements relate only to the TSCA Section 6(g) exemptions in the final TCE rule. According to EPA, “[t]his will ensure that the timing of EPA’s...

As reported in our May 13, 2025, blog item, on March 24, 2025, PPG Industries, Inc. (PPG) submitted a petition seeking an amendment to the U.S. Environmental Protection Agency’s (EPA) December 2024 final risk management rule for trichloroethylene (TCE). PPG requested an amendment to the exemption for the industrial and commercial use of TCE as a processing aid for specialty polymeric microporous sheet materials manufacturing that would allow PPG to meet an interim existing chemical exposure...

On May 27, 2025, the American Chemistry Council (ACC) petitioned the U.S. Environmental Protection Agency (EPA) under Section 21 of the Toxic Substances Control Act (TSCA) to reconsider the final risk management rule for trichloroethylene (TCE). ACC requests that EPA reconsider and amend two provisions of the rule: Revise the byproduct exclusion in 40 C.F.R. Section 751.301(c) by removing the “site-limited” restriction that requires byproduct TCE to be reused as a “part of the same overall...

The U.S. Environmental Protection Agency (EPA) recently updated its website to include two petitions submitted under Section 21 of the Toxic Substances Control Act (TSCA) that seek reconsideration of exemption provisions of EPA’s final risk management rule for trichloroethylene (TCE). On March 24, 2025, PPG Industries, Inc. (PPG) submitted a petition seeking an amendment to the December 2024 final rule’s exemption for the industrial and commercial use of TCE as a processing aid for specialty...

On April 2, 2025, the U.S. Environmental Protection Agency (EPA) announced that it is postponing the effectiveness of certain provisions of its December 17, 2024, final risk management rule for trichloroethylene (TCE) until June 20, 2025. 90 Fed. Reg. 14415. After EPA issued the final rule in December 2024, it received multiple petitions for an administrative stay of the effective date. EPA denied the requests, and the companies submitted renewed petitions to stay the effective date of the rule,...

On March 24, 2025, the U.S. Environmental Protection Agency (EPA) provided an update on the effective date of the Toxic Substances Control Act (TSCA) final risk management rule for trichloroethylene (TCE). As reported in our January 13, 2025, memorandum, on December 17, 2024, EPA issued a final rule prohibiting all uses of TCE, most of which would be prohibited within one year, including TCE manufacture and processing for most commercial and all consumer products. As reported in our January 30,...

On January 28, 2025, the U.S. Environmental Protection Act (EPA) issued a final rule delaying the effective date of four rules, including the December 17, 2024, final risk management rule for trichloroethylene (TCE) issued under Section 6(a) of the Toxic Substances Control Act (TSCA), until March 21, 2025. 90 Fed. Reg. 8254. EPA states that it is delaying the effective dates of the rules in response to President Trump’s January 20, 2025, memorandum entitled “Regulatory Freeze Pending...