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Energy & environment · 12/10/2010Updated: 10/17/2026 · 1 min read

EPA Approves Knoxville, Tennessee Area for Attainment of 1997 8-Hour Ozone Standards

The US Environmental Protection Agency (EPA) has finalized a determination that the Knoxville, Tennessee area has met the 1997 8-hour ozone National Ambient Air Quality Standards (NAAQS), based on quality assured monitoring data from 2007 to 2009.

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

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Energy & environment · 5/29/2026

Bacillus Thuringiensis Cry1B.34.1, Bacillus Thuringiensis Cry1B.61.1 and Adiantum Trapeziforme var. Braziliense IPD083Cb Proteins; Pesticide Tolerances

The US Environmental Protection Agency (EPA) establishes exemptions from pesticide tolerance requirements for residues of Bacillus thuringiensis Cry1B.34.1, Bacillus thuringiensis Cry1B.61.1, and Adiantum trapeziforme var. braziliense IPD083Cb proteins used as plant-incorporated protectants (PIP) in food and feed commodities.

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Energy & environment · 5/29/2026

Propylene Oxide; Pesticide Tolerances

The US Environmental Protection Agency (EPA) has established tolerances for residues of propylene oxide in various crops, following a petition from ABERCO, Inc., a Balchem Company.

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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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