The proposed rule would affect about 20 gold extraction facilities in the United States.
Mobil Oil Guam and Mobil Oil Mariana Islands allegedly discharged hundreds of tons of volatile organic compounds from gasoline terminals.
The agency is revising the San Joaquin Valley New Source Review threshold from 25 tons to 10 tons per year of ozone-producing pollutants to address the area's "extreme" nonattainment status.
Khabarovsk, Russia looked to sister-city, Portland, Ore., for better waste collection and disposal methods and plans to incorporate pre-load compactors into its waste transfer system.
California Superior Court said the South Coast Air Quality Management District's Rule 1143, which would set a volatile organic compound limit on solvents, would require manufacturers to produce extremely flammable products.
To further clarify environmental permitting requirements for Appalachian mountaintop coal removal projects, the agency has issued a comprehensive guidance to its regional offices.
The proposal includes major emissions reductions for the remainder of plant operations.
More than 15 companies received between $46,000 and $70,000 from EPA to apply toward innovative technologies.
Following a Clean Air Act settlement with EPA, Shell Chemical L.P. and Shell Chemical Yabucoa will install pollution reduction equipment and pay a combined $3.3 million civil penalty to the United States, Alabama, and Louisiana.
EPA disapproved the Texas Commission on Environmental Quality's air permitting exemption program, which allows companies to avoid certain requirements; TCEQ says it has tried to address federal concerns.
EPA is concerned that changes made in January 2009 would make NSR permitting less effective.
The U.S. Environmental Protection Agency reiterated that stationary sources will not have to comply with greenhouse gas requirements until 2011.
EPA expects the move will help clean up air quality for U.S. ports as well as inland population centers.
EPA Region 7 issues compliance order and notice of noncompliance related to a 2005-2006 prison dormitory renovation project in Topeka.
Health and Environmental Research Online provides access to scientific studies used in making key regulatory decisions.
Constellation Energy's nearly $1 billion investment helps the coal-fired power plant meet Maryland's emission requirements.
The American Clean Skies Foundation said natural gas is an important energy resource that will help control smog levels.
South Dakota State University is trying to determine if the cup plant can be grown on land unfit for crops.