EPA proposed to address the unreasonable risk of injury to human health presented by carbon tetrachloride under its conditions of use as documented in EPA’s 2020 Risk Evaluation for Carbon Tetrachloride and 2022 Revised Unreasonable Risk Determination for Carbon Tetrachloride pursuant to the TSCA.

EPA announced the availability of and seeks comment on a draft revision to the risk determination for 1,4-dioxane following a risk evaluation issued under TSCA.

EPA finalized reporting and recordkeeping requirements for asbestos under TSCA.

EPA announced a 60-day public comment period associated with the release of the draft IRIS Toxicological Review of Perfluorohexane Sulfonate (PFHxS) and Related Salts.

EPA announced the availability of and seeks comment on the "2023 Draft Supplement to the 1,4-Dioxane Risk Evaluation'' prepared under TSCA that is being submitted to the Science Advisory Committee on Chemicals for peer review.

EPA announced the start of the 2024 submission period for the TSCA Chemical Data Reporting rule.

EPA proposed to address the unreasonable risk of injury to human health presented by perchloroethylene (PCE) under its conditions of use as documented in the Agency's December 2020 risk evaluation for PCE and December 2022 revised risk determination for PCE prepared under TSCA.

EPA proposed amendments to the new chemicals procedural regulations under TSCA; the amendments would reduce the need to redo all or part of the risk assessment by improving information initially submitted in new chemicals notices, as well as revise the regulations for low volume exemptions and low release and exposure exemptions, which include requiring EPA approval of an exemption notice prior to commencement of manufacture, making per- and polyfluoroalkyl substances categorically ineligible for these exemptions, and providing that certain persistent, bioaccumulative, toxic chemical substances are ineligible for these exemptions.

EPA proposed measures to address the unreasonable risk of injury to human health presented by methylene chloride under its conditions of use as documented in the Agency's June 2020 Risk Evaluation and November 2022 revised risk determination prepared under TSCA.