Archives

January 29, 2026

TSCA Section 21 Petition Seeks Risk Management Rule for Chemicals “Widely Used” in Consumer Liquid Laundry Detergents

According to the U.S. Environmental Protection Agency (EPA) website, EPA received a petition on January 6, 2026, under Section 21 of the Toxic Substances Control Act (TSCA) regarding certain chemicals in consumer laundry detergents. The petition requests that EPA initiate a TSCA Section 6(a) rulemaking regarding the following chemical substances that are “widely used in consumer liquid laundry detergents”: Sodium C10-16 alkylbenzenesulfonate; Sodium laureth sulfate (SLES); and 1,4-Dioxane...
September 5, 2025

CEA Withdraws Section 21 Petition Seeking Reconsideration of 2024 Rule Regarding Procedures for Chemical Risk Evaluation; EPA Intended to Issue NPRM in July 2025

As reported in our May 30, 2025, blog item, on May 15, 2025, the Center for Environmental Accountability (CEA) filed a petition under Section 21 of the Toxic Substances Control Act (TSCA) requesting that the U.S. Environmental Protection Agency (EPA) reconsider the 2024 final rule regarding procedures for chemical risk evaluation under TSCA and initiate a rulemaking to amend certain provisions in 40 C.F.R. Part 702, subpart B. According to CEA, the current process “has led to overly...
August 8, 2025

Trump EPA Seeks Reversal of Ruling That Typical Levels of Drinking Water Fluoridation Present an Unreasonable Risk to Health

As reported in our February 13, 2025, blog item, on January 17, 2025, the Biden U.S. Environmental Protection Agency (EPA) filed a notice of appeal of the September 2024 lower court decision finding that the plaintiffs established by a preponderance of the evidence that the levels of fluoride typical in drinking water in the United States pose an unreasonable risk of injury to the health of the public. Food & Water Watch v. EPA (No. 25-384). At that time, it was unknown how the Trump EPA...
July 15, 2025

Community and Environmental NGOs File Suit After EPA Denies TSCA Section 21 Petition Concerning Prohibition of Hydrogen Fluoride in Domestic Oil Manufacturing 

As reported in our May 14, 2025, blog item, on May 12, 2025, the U.S. Environmental Protection Agency (EPA) denied a petition filed under Section 21 of the Toxic Substances Control Act (TSCA) seeking to prohibit the use of hydrogen fluoride in domestic oil refining through a TSCA Section 6(a) rulemaking. The Natural Resources Defense Council (NRDC) announced on July 9, 2025, that after EPA denied their petition, community and environmental non-governmental organizations (NGO) filed suit in the...
June 17, 2025

PPG Withdraws TSCA Section 21 Petition to Amend Final TCE Risk Management Rule for Specialty Polymeric Microporous Sheet Materials Manufacturing

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...
June 11, 2025

ACC Files TSCA Section 21 Petition Seeking Reconsideration of TCE Risk Management Rule

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...
May 30, 2025

TSCA Section 21 Petition Seeks Reconsideration of 2024 Rule Regarding Procedures for Chemical Risk Evaluation

On May 15, 2025, the Center for Environmental Accountability (CEA) filed a petition under Section 21 of the Toxic Substances Control Act (TSCA) requesting that the U.S. Environmental Protection Agency (EPA) reconsider the 2024 final rule regarding procedures for chemical risk evaluation under TSCA and initiate a rulemaking to amend certain provisions in 40 C.F.R. Part 702, subpart B. According to CEA, the current process “has led to overly conservative risk conclusions and, in turn,...
May 28, 2025

Chemical Coalition Withdraws TSCA Section 21 Petition Seeking Revisions to TSCA 8(a)(7) PFAS Reporting Rule

As reported in our May 4, 2025, blog item, on May 2, 2025, a coalition of chemical companies petitioned the U.S. Environmental Protection Agency (EPA) for an amendment of the Toxic Substances Control Act (TSCA) Section 8(a)(7) rule requiring reporting for per- and polyfluoroalkyl substances (PFAS). The petitioners ask that EPA revise the reporting rule to exclude imported articles, research and development (R&D) materials, impurities, byproducts, non-isolated intermediates, and PFAS...
May 14, 2025

EPA Denies TSCA Section 21 Petition Concerning Prohibition of Hydrogen Fluoride in Domestic Oil Manufacturing

As reported in our February 14, 2025, blog item, on February 11, 2025, community and environmental groups submitted a petition under Section 21 of the Toxic Substances Control Act (TSCA) to the U.S. Environmental Protection Agency (EPA) to prohibit the use of hydrogen fluoride in domestic oil refining “to eliminate the extreme and unreasonable risks this use presents to public health and the environment.” On May 12, 2025, EPA denied the petition, stating that the request to initiate a...
May 13, 2025

EPA Receives TSCA Section 21 Petitions Seeking Reconsideration of Exemption Conditions in Final Trichloroethylene Rule

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...