National Ambient Air Quality Standards

Another California Regulatory Agency in Crisis: Southern California’s Air Quality Management District Fires Longtime Executive Officer

Barry Wallerstein’s Ouster from SCAQMD Signals Tilt Away from Protection of Public Health

In a move that shocked the environmental advocacy community and low-income communities of color that suffer most from the impacts of poor air quality in Los Angeles, the governing board of the South Coast Air Quality Management District fired its longtime executive officer Barry Wallerstein today, voting 7-6 in closed session to remove him from …

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The Long, Slow Path to Improved Air Quality Standards

The regulatory process can be slow and tortuous. Consider the case of air quality standards. Since 1997, EPA has had separate air quality standards for fine particulates, technically called PM2.5.  These tiny particles can penetrate deep into the lungs, making them a special public health concern.  EPA has revisited the standard twice, in 2006 and …

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Another Posthumous Loss for the Bush EPA

Greenwire Reports: The U.S. Circuit Court of Appeals for the District of Columbia ruled that U.S. EPA’s 2006 standards for fine particulate matter were, “in several respects, contrary to law and unsupported by adequately reasoned decisionmaking.” At issue was the rule that kept the primary standard for annual fine particulate matter at 15 micrograms per …

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Delay on marine engines upheld

In the latest round in a long-running battle, the D.C. Circuit has upheld EPA’s foot-dragging on regulation of emissions from large marine diesel engines against a challenge brought by the South Coast Air Quality Management District, Santa Barbara Air Pollution Control District, and Friends of the Earth.  Large ships are major sources of air pollution …

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