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EPA Will Reconsider the Ozone NAAQS — What Is An Adequate Margin of Safety, Anyway?

Law and Environment

On Friday, EPA announced that it was reconsidering its 2020 decision to leave the National Ambient Air Quality Standards for ozone unchanged. The notice does not identify any specific perceived flaws in the 2020 decision. The post EPA Will Reconsider the Ozone NAAQS — What Is An Adequate Margin of Safety, Anyway?

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Improving EPA’s Latest Ozone Transport Rule

Acoel

The downwind air quality benefits are minimal. The proposed rule would provide de minimus air quality benefits in downwind areas with extremely high costs – estimated by EPA at $22 billion discounted 2016 dollars for the 2023-2042 period. enjoyed ozone reductions of 3 to 5 ppb or more. ppb by 2025. EPA estimated that: .

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State Air Regulations Can Go Above and Beyond National Standards 

Legal Planet

States and local air quality regulators have the legal authority to set particulate matter (PM), ozone, and nitrogen oxides (NOx) emissions standards and adopt regulations for these pollutants when they are already in attainment of the national ambient air quality standards ( NAAQS ) set by the U.S.

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Minnesota Can Do More to Protect People from Ethylene Oxide Emissions

Union of Concerned Scientists

While the agency has failed to update the rule as required under the Clean Air Act, last year, EPA identified 23 “elevated cancer risk” commercial sterilizers and is currently working to inform communities and work with state regulators and the facilities to decrease emissions.

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Public Comment Period Opens as Ohio EPA Issues Draft Revisions to Reasonably Available Control Technology (“RACT”) Requirements for Control of VOC and NOx Emissions

Vorys Law

Ohio EPA has proposed rules that will require additional Volatile Organic Compound (VOC) and Nitrogen Oxide (NOx) emission controls for certain manufacturing and industrial operations located in the Cincinnati and Cleveland 2015 ozone nonattainment areas. Like VOCs, NOx is a precursor compound which can form ozone.

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Air District Targets Southern California Logistics Industry

Clean Energy Law

Proposed Rule 2305, recently released by the District in discussion draft form, would establish the Warehouse Actions and Investments to Reduce Emissions (WAIRE) Program — which would apply to owners and operators of warehouses located in the South Coast Air Basin (Basin) with greater than 100,000 square feet of indoor space in a single building.

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Celebrating Ozone Layer Protection Milestones of the Clean Air Act

EPA

Principal Deputy Assistant Administrator for the Office of Air and Radiation. Ozone layer protection in the United States reaches an important milestone in 2020. Environmental Protection Agency (EPA) has been helping to protect and heal the Earth’s stratospheric ozone layer by phasing out ozone-depleting substances (ODS).