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Energy & environment · 03/02/1994Updated: 10/15/2026 · 1 min read

EPA Amends Standards of Performance for Sewage Treatment Plants

Summary

The US Environmental Protection Agency (EPA) has amended 40 CFR part 60, subpart O, Standards of Performance for Sewage Treatment Plants, deleting provisions requiring metals analysis of air and sludge samples.

Original source language: Federal Register — Environmental Protection AgencyOpen original release →

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Energy & environment · 5/29/2026

EPA Issues Significant New Use Rules on Certain Chemical Substances

The U.S. Environmental Protection Agency (EPA) is issuing significant new use rules (SNURs) for certain chemical substances under the Toxic Substances Control Act (TSCA), requiring persons to notify EPA at least 90 days before commencing manufacture or processing for designated significant new uses.

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Energy & environment · 5/29/2026

Air Plan Approval; Michigan; Determination of Attainment by the Attainment Date for the 2015 Ozone Standards

The Environmental Protection Agency (EPA) is proposing to determine that the Detroit, Michigan nonattainment area attained the 2015 ozone National Ambient Air Quality Standards by the applicable attainment date, relying on an exceptional events request submitted by the Michigan Department of Environment, Great Lakes, and Energy (EGLE) on February 19, 2026.

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Energy & environment · 5/26/2026

Phasedown of Hydrofluorocarbons: Reconsideration of Certain Regulatory Requirements Promulgated Under the Technology Transitions Provisions of the American Innovation and Manufacturing Act of 2020

The U.S. Environmental Protection Agency (EPA) is finalizing changes to regulations under the Technology Transitions provision of the American Innovation and Manufacturing Act of 2020, addressing various refrigeration and air conditioning subsectors and allowing inventory of manufactured equipment.

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Energy & environment · 5/22/2026

EPA Issues Significant New Use Rules on Certain Chemical Substances

The United States Environmental Protection Agency (EPA) is issuing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances, requiring persons to notify EPA at least 90 days before commencing manufacture or processing for designated significant new uses.

Read summary →