News & Analysis as of

National Ambient Air Quality Standards Ozone Regulatory Standards

Mitchell, Williams, Selig, Gates & Woodyard,...

Ozone/Clean Air Act: EPA Staff Proposal Retains Current Primary and Secondary National Ambient Air Quality Standards

The United States Environmental Protection Agency (EPA) on Halloween published a draft policy assessment recommending that the current National Ambient Air Quality Standards (“NAAQS”) of 70 parts per billion (ppb) be...more

BakerHostetler

EPA Releases Revised Ozone NAAQS

BakerHostetler on

On October 1, the Environmental Protection Agency issued a prepublication version of a final rule establishing a new National Ambient Air Quality Standard (NAAQS) for ozone. The final rule lowers the primary and secondary...more

Jackson Walker

EPA Finalizes Tougher Ozone Standards

Jackson Walker on

On October 1, 2015, the U.S. Environmental Protection Agency (EPA) released its final rule lowering the ozone National Ambient Air Quality Standards (NAAQS) from 75 parts per billion (ppb) to 70 ppb nationwide (2015 Ozone...more

Pierce Atwood LLP

Pierce Atwood Environmental Regulatory Compliance Calendar (RCC)

Pierce Atwood LLP on

NEW REGULATORY DEVELOPMENTS - Federal - Final 2014 Effluent Guidelines Program Plan and 2014 Annual Effluent Guidelines Review Report EPA is announcing the availability of its Final 2014 Effluent Guidelines...more

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