EPA Rules & Proposed Rules

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 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 Delaying Clean Water Act Facility Response Plan Compliance

The Environmental Protection Agency (EPA) has proposed delaying the compliance date for facility response plans under the Clean Water Act. This proposed rule aims to align with administration policy and provides a comment period for public input.

EPA Proposes Paper Manifest Sunset Rule

The Environmental Protection Agency (EPA) has proposed a rule to sunset the paper hazardous waste manifest system and transition to an electronic system. The agency estimates this change could result in $28.5 million in savings.

EPA Proposes Oregon PM2.5 Redesignation to Attainment

The Environmental Protection Agency (EPA) has proposed the redesignation of Klamath Falls, Oregon, from nonattainment to attainment for particulate matter (PM2.5). This proposed rule includes a maintenance plan for the area. The public comment period for this proposal closes on April 3, 2026.

EPA Proposes Texas Landfill Emissions Control Plan Approval

The Environmental Protection Agency (EPA) has proposed a rule to approve a state air quality plan for Texas, specifically concerning the control of emissions from existing municipal solid waste landfills. This proposal is open for public comment for 30 days.

National Emission Standards for Marine Tank Vessel Loading Operations: Technology Review

The Environmental Protection Agency has issued a proposed rule regarding National Emission Standards for Marine Tank Vessel Loading Operations. This document initiates a technology review and is open for public comment until April 20, 2026.

EPA Proposes Arizona SO2 Attainment Plan Approval

The Environmental Protection Agency (EPA) has proposed to approve Arizona's State Implementation Plan (SIP) for the Hayden SO2 nonattainment area. This action is being taken to ensure compliance with the 1971 and 2010 Sulfur Dioxide National Ambient Air Quality Standards. The EPA is seeking public comment on this proposed rule.

Air Plan Approval; AK; Regional Haze State Implementation Plan

The Environmental Protection Agency (EPA) has approved Alaska's State Implementation Plan for the second implementation period concerning regional haze. This final rule is effective April 2, 2026. It pertains to air quality regulations under 40 CFR 52.

EPA Extends Comment Period for Ozone NAAQS Rule

The Environmental Protection Agency (EPA) has extended the public comment period for the proposed rule regarding the Interstate Transport Plan Review for the 2015 Ozone National Ambient Air Quality Standards (NAAQS). The comment period, originally set to end, has been extended by 20 days.