EPA proposed to lower the dust-lead hazard standards from ten micrograms per square foot (µg/ft2) and 100 µg/ft2 for floors and window sills to any reportable level as analyzed by a laboratory recognized by the Agency's National Lead Laboratory Accreditation Program in accordance with a 2021 Ninth Circuit opinion.

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 seeks input on the Safer Choice and Design for the Environment programs’ potential expansion of their certification to new product categories.

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 added a diisononyl phthalate category to the list of toxic chemicals subject to the reporting requirements under EPCRA and the Pollution Prevention Act.

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 availability of and seeks comment on the “Examination of Microcosm/Mesocosm Studies for Evaluating the Effects of Atrazine on Aquatic Plant Communities” that is being submitted to the FIFRA Scientific Advisory Panel for peer review.

EPA updated the list of chemicals subject to toxic chemical release reporting under EPCRA and the Pollution Prevention Act, identifying nine per- and polyfluoroalkyl substances that must be reported.