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EPA Proposes Connecticut SIP Revision for Algonquin Gas Transmission

The EPA is proposing to approve a State Implementation Plan (SIP) revision for Connecticut concerning Algonquin Gas Transmission, LLC's compressor station. This revision addresses reasonably available control technology (RACT) determinations for volatile organic compounds (VOCs) related to the 2008 and 2015 ozone National Ambient Air Quality Standards.

EPA Final Rule Adds Gelman Sciences Inc. to National Priorities List

The EPA has issued a final rule adding one site, Gelman Sciences Inc., to the National Priorities List (NPL) under CERCLA. This addition is intended to guide the EPA in determining which sites warrant further investigation for potential public health and environmental risks. The rule becomes effective on April 13, 2026.

EPA Adds Gelman Sciences Inc. to National Priorities List

The Environmental Protection Agency (EPA) has added Gelman Sciences Inc. to the National Priorities List (NPL) under the Superfund program. This rule designates the site for remedial action to address environmental contamination. The rule becomes effective on April 13, 2026.

EPA Proposes Connecticut SIP Revision for Ozone NAAQS

The Environmental Protection Agency (EPA) has proposed a revision to Connecticut's State Implementation Plan (SIP) concerning ozone National Ambient Air Quality Standards (NAAQS). This proposal includes the approval of a consent order for Algonquin Gas Transmission, LLC and a negative declaration for rubber tire manufacturing sources.

EPA Adds PFHxS-Na to Toxics Release Inventory

The EPA has finalized a rule adding sodium perfluorohexanesulfonate (PFHxS-Na) to the Toxics Release Inventory (TRI), bringing the total number of tracked PFAS to 206. Businesses in covered industries must now track and report releases of PFHxS-Na, with a reporting threshold of 100 lbs.

EPA Actions on PFAS: Drinking Water, CERCLA, and Water Quality

The EPA has finalized a national drinking water standard for PFAS, designated PFOA and PFOS as hazardous substances under CERCLA, and published water quality criteria for PFAS to protect aquatic life. These actions aim to reduce PFAS exposure and improve cleanup accountability.

EPA Extends PFOA/PFOS Drinking Water Compliance Deadlines to 2031

The EPA announced it will maintain existing Maximum Contaminant Levels (MCLs) for PFOA and PFOS in drinking water but will extend compliance deadlines for public water systems from 2029 to 2031. The agency also intends to rescind and reconsider regulations for other PFAS compounds.