air quality standards

The New Particulate Standard and the Courts

The tough new air quality standard is sure to be challenged in court. Winning the challenges will be tougher.

EPA has just issued a rule tightening the air quality standard for PM2.5 — the tiny particles most dangerous to health — from an annual average of 12 μg/m³  (micrograms per cubic meter) down to 9 μg/m³. EPA estimates that, by the time the rule goes into effect in 2032, it will avoid 4500 premature …

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Evolving Air Quality Standards

The standards have gotten tougher. Compliance still lags.

The goal of the Clean Air Act is to achieve national ambient air quality standards (NAAQS), with the primary requirement being protection of public health. As our understanding of the health effects of air pollution has improved, there has been a general trend toward tightening the standards. However, it’s very hard to keep track of …

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Get Ready for Phase 2 of the Deregulation Wars

Air quality standards are next on the chopping block.

The first phase of Trump’s regulatory rollbacks has been directed against Obama’s climate change regulations.  Those deregulatory actions will be finalized soon.  What happens next will be in the hands of the courts. But the Trump EPA is now beginning a new phase in its attack on environmental regulation.  Having tried to eliminate climate rregulation, …

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UARG Strikes Back

Will UARG Persuade the Supreme Court to Overturn New Air Quality Standards?

“UARG” sounds like the name of a monster in a children’s book or maybe some kind of strangled exclamation.  But it actually stands for Utility Air Regulatory Group, which represents utility companies in litigation.  UARG did well in two important Supreme Court cases last year, winning part of the case it brought against EPA climate change …

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