National Ambient Air Quality Standards

Manufacturers Move to Intervene in Ozone Standard Lawsuit

January 25, 2016April 4, 2017 by Jessica Lyons Hardcastle

The National Association of Manufacturers has moved to intervene in a lawsuit that challenges the Obama administration’s ozone standard. The new rule, issued in the fall, limits ground-level ozone to 70 parts per billion from 75 ppb. “As the courts debate the legality of this new regulation, manufacturers are already ... Read more »

EPA Tightens Smog Standards

October 2, 2015April 4, 2017 by Jessica Lyons Hardcastle

The EPA issued tighter smog standards yesterday, limiting ground-level ozone to 70 parts per billion from 75 ppb. The agency says the updated National Ambient Air Quality Standards will reduce the public’s exposure to ozone pollution and says the public health benefits of the updated standards, estimated at $2.9 to ... Read more »

Policy & Enforcement Briefing: GHG Rules, EU ETS, Lightweight Metals

February 26, 2014February 26, 2014 by Tamar Wilner

The EPA is issuing a notice of data availability in support of its proposed greenhouse gas rules for new power plants. The NODA asks for comment on the EPA’s interpretation of the provisions in the Energy Policy Act of 2005, including limits on the EPA’s authority to rely on information from ... Read more »

EPA Considers Ozone Standard Revisions

January 29, 2014January 29, 2014 by Tamar Wilner

Away from the pomp and punditry of the State of the Union address, the Obama administration is quietly evaluating whether to revise ambient air quality standards for ozone. A Federal Register notice today says that on or around January 31, the EPA will publish three documents related to potential revisions. ... Read more »

Policy & Enforcement Briefing: WV Spill Hearings, Pump Efficiency, Monsanto and SCOTUS

January 15, 2014July 3, 2017 by Tamar Wilner

Sen. Barbara Boxer (D-CA) said the Senate will hold hearings on the West Virginia chemical spill that left 300,000 residents unable to drink their tap water. She said a hearing in early February will address the spill itself, and this will be followed by work on chemical safety reforms, The ... Read more »

Policy & Enforcement Briefing: EPA Rule Upheld, EU Aviation Law, UK Renewable Subsidies

July 18, 2012June 30, 2013 by Leon Walker

A federal appeals court upheld the EPA’s 2010 National Ambient Air Quality Standards, which limit nitrogen dioxide emissions near major roadways. The 100 parts-per-billion limit is intended to reduce smog, updating a Clean Air standard from 1971. The American Petroleum Institute led opposition to the rule and had sued to ... Read more »

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