🌍EPA Final Rule on Source Reclassification
The Environmental Protection Agency (EPA) is making corrections to the Review of Final Rule Reclassification of Major Sources as Area Sources Under Section 112 of the Clean Air Act (CAA) final rule that appeared in the Federal Register on September 10, 2024. Following publication of this final rule, the EPA discovered an inadvertent typographical error in the regulatory text and is correcting the error in this action.
Learn More⚖️EPA Draft Risk Evaluation for DCHP Under TSCA - Comment Deadline March 2025
The Environmental Protection Agency (EPA or Agency) is announcing the availability of and seeking public comment on a draft risk evaluation under the Toxic Substances Control Act (TSCA) for Dicyclohexyl phthalate (DCHP) (1,2-benzenedicarboxylic acid, 1,2- dicyclohexyl ester) (CASRN 84-61-7). The purpose of risk evaluations under TSCA is to determine whether a chemical substance presents an unreasonable risk of injury to health or the environment, without consideration of costs or other non-risk factors, including unreasonable risk to potentially exposed or susceptible subpopulations identified as relevant to the risk evaluation by EPA, under the conditions of use. EPA has used the best available science to prepare this draft risk evaluation and to preliminarily determine that DCHP poses unreasonable risk to human health.
Learn More♻️EPA's Final Rule on Perchloroethylene Emission Standards for Dry Cleaners
This action finalizes the Clean Air Act (CAA) technology review (TR) conducted for the commercial and industrial dry cleaning facilities using perchloroethylene (PCE) as the cleaning solvent (PCE Dry Cleaning) source categories regulated under National Emission Standards for Hazardous air Pollutants (NESHAP). This final rule does not finalize the changes made at proposal and makes no amendments to the current NESHAP given the recently finalized action under the Toxic Substance Control Act (TSCA) which has instituted a 10-year phaseout of the use of PCE for dry cleaning.
Learn More🌍EPA Grants California Waiver for Omnibus Low NOX Regulations
The Environmental Protection Agency ("EPA") is providing notice of its decision to grant the California Air Resources Board's ("CARB") request for a waiver of Clean Air Act (CAA) preemption for its Heavy-Duty Vehicle and Engine "Omnibus" Low NO<INF>X</INF> Regulations ("Omnibus Low NO<INF>X</INF> program"). EPA's decision also includes an authorization for portions of the Omnibus Low NO<INF>X</INF> program that pertain to off-road diesel engines. This decision was issued under the authority of the Clean Air Act ("CAA" or "Act") section 209.
Learn More🌱EPA Announces Interim Pesticide Registration Review Decisions
This notice announces the availability of EPA's interim registration review decisions for the following chemicals: 1,3-PAD, chlorothalonil, thiophanate-methy/carbendazim, and TCMTB.
Learn More🌱EPA Authorizes California's New Small Off-Road Engine Regulations
The Environmental Protection Agency ("EPA") is providing notice of its decision granting the California Air Resources Board's ("CARB's") request for an authorization of amendments to its small off-road engine ("SORE") regulations. CARB's amendments covered by this authorization include those adopted by CARB in 2016 and 2021. EPA's decision was issued under the authority of section 209 of the Clean Air Act ("CAA" or "Act").
Learn More⚖️New EPA Rules Affecting Chemical Substance Manufacturers
EPA is issuing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMNs). The SNURs require persons to notify EPA at least 90 days before commencing manufacture (defined by statute to include import) or processing of any of these chemical substances for an activity that is designated as a significant new use in the SNUR. The required notification initiates EPA's evaluation of the use, under the conditions of use for that chemical substance, within the applicable review period. Persons may not commence manufacture or processing for the significant new use until they have submitted a Significant New Use Notice (SNUN), and EPA has conducted a review of the notice, made an appropriate determination on the notice, and has taken any risk management actions as are required as a result of that determination.
Learn More🌱EPA Grants California Waiver for Advanced Clean Cars II Standards
The Environmental Protection Agency ("EPA") is providing notice of its decision granting the California Air Resources Board's ("CARB's") request for a waiver of Clean Air Act preemption for its Advanced Clean Cars II ("ACC II") regulations. EPA's decision was issued under the authority of the Clean Air Act ("CAA" or "Act") section 209.
Learn More⚖️EPA Extends TSCA Review Period for Confidential Business Information
The Environmental Protection Agency (EPA or Agency) is announcing the extension of the review period for Confidential Business Information (CBI) claims for specific identities of all active chemical substances listed on the confidential portion of the Toxic Substances Control Act (TSCA) Inventory submitted to the EPA under TSCA. EPA has determined that a further extension of the statutory review period for the review of CBI claims under TSCA is necessary to allow the Agency to complete the required reviews under TSCA.
Learn More⚠️EPA Announces Unreasonable Risk Evaluation for Diisodecyl Phthalate (DID
The Environmental Protection Agency (EPA or Agency) is announcing the availability of the final risk evaluation under the Toxic Substances Control Act (TSCA) for diisodecyl phthalate (DIDP). The purpose of risk evaluations under TSCA is to determine whether a chemical substance presents an unreasonable risk of injury to health or the environment, without consideration of costs or non-risk factors, including unreasonable risk to potentially exposed or susceptible subpopulations identified as relevant to the risk evaluation by EPA, under the conditions of use. EPA used the best available science to prepare this final risk evaluation and determined, based on the weight of scientific evidence, that DIDP poses unreasonable risk to human health. Under TSCA, EPA must initiate risk management actions to address the unreasonable risk.
Learn More