EPA Proposes New Tougher Ground-Level Ozone Standards

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Counties projected to violate proposed Primary 8-hour Ground-Level Ozone Standards in 2020. The United States Environmental Protection Agency has proposed the strictest standards to date for ground-level ozone. Ground-level ozone forms when emissions from industrial facilities, power plants, landfills and motor vehicles react in the sun. In September 2009 Administrator Jackson announced that EPA would reconsider the existing ozone standards, set at 0.075 ppm in March 2008.

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EPA Issues Proposed Endangerment Finding for Greenhouse Gases; Proposed Cause or Contribute Finding Identifies Motor Vehicles as Contributing Source

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There are two public hearings scheduled for this proposed finding: 18 May at the EPA Potomac Yard Conference Center, Arlington, VA; and 21 May at the Bell Harbor International Conference Center in Seattle, WA. Climate change has the potential to produce increases in ground-level ozone in many regions, according to the report. Assessment of the Impacts of Global Change on Regional US Air Quality (GCAQ): A Synthesis of Climate Change Impacts on Ground-Level Ozone.

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EPA issues greenhouse gas proposals

Green Cars News

The analysis also looked at the impact of climate change on human health and suggests that it may lead to higher levels of ground-level ozone, a harmful pollutant. The public hearings are scheduled for the EPA Potomac Yard Conference Centre in Arlington, VA on May 18 and the Bell Harbor International Conference Centre in Seattle, WA on May 21.