Latest Air dispersion modeling Stories

An international team of scientists published new research this week on the origins of flies and, and despite popular belief, the common ancestry house flies have with mosquitoes. Researchers, publishing a paper in the Proceedings of the National Academy of Sciences of the USA, said the mosquito branched off the same evolutionary tree as the house fly about 220 million years ago, while the house fly branched off about 170 million years later. While only a few species of flies are commonly...

WASHINGTON, April 1, 2011 /PRNewswire-USNewswire/ -- A Senate resolution introduced citing enormous public health and economic benefits from the Clean Air Act was denounced as "a work of fiction" today by JunkScience.com. Introduced yesterday by Sen. Bernie Sanders (I-Vt.) and 33 other members of the Democratic caucus, the resolution parrots U.S. Environmental Protection Agency claims that the Clean Air Act saves millions of lives and adds trillions of dollars to the economy. "The...

Military personnel and contractors stationed in Iraq risk not only enemy gunfire, suicide bombers, and roadside bombs, but the very air they breathe often is polluted with dust and other particles of a size and composition that could pose immediate and long-term health threats, scientists reported Wednesday at the 241st National Meeting of the American Chemical Society.Their ongoing study, begun in 2008, indicates that personnel in Iraq often breathe air polluted with the most worrisome kind...

WASHINGTON, March 16, 2011 /PRNewswire-USNewswire/ -- Here is the statement of Frank O'Donnell, president of the non-profit Clean Air Watch, in reaction to the U.S. Environmental Protection Agency's proposal today to set mercury and other toxic pollution standards for coal-burning power plants: This is historic - it would end the lethal loophole that permits coal-burning power plants to spew poisonous pollution into the air. Indeed, this is the single biggest step for public health...

WASHINGTON, March 16, 2011 /PRNewswire-USNewswire/ -- The American Lung Association today applauded a proposal by the U.S. Environmental Protection Agency (EPA) that will set new emissions standards for toxic air pollutants from coal-fired power plants. When final, this proposed rule--required by the Clean Air Act--will protect Americans against life-threatening air pollution such as mercury, arsenic and other toxics linked to cancer, heart disease, neurological damage, birth defects,...

Scientists from the University of Miami Rosenstiel School of Marine & Atmospheric Science worked with National Oceanic & Atmospheric Administration (NOAA) researchers to find two plumes of oil-based pollutants downwind of the BP Deepwater Horizon oil spill. In a study published in the journal Science this week, the team of researchers discovered a new mechanism by which the crude oil traveled from the sea surface to the atmosphere. Although the mechanism was predicted four years ago,...

Blocking EPA from Updating Clean Air Standards Would Leave Small Businesses to Pay the Price in Lost Work Days, Higher Health Costs WASHINGTON, March 10, 2011 /PRNewswire-USNewswire/ -- After a subcommittee of the House Energy & Commerce Committee passed the Upton-Inhofe bill, a proposal to block the Environmental Protection Agency from updating air pollution standards under the Clean Air Act, the Main Street Alliance issued the following statement from MSA Network Director Sam Blair:...

JONESBORO, Ark., March 8, 2011 /PRNewswire/ -- Camfil Farr Air Pollution Control (APC), a leading producer of industrial dust and fume collectors, has published a new brochure to help companies engaged in metalworking operations to understand and comply with the new EPA regulation for Metal Fabrication Hazardous Air Pollutants (MFHAP). Under the sweeping new requirement, which covers nine metal fabricating and finishing source categories, companies that used to exhaust welding fumes and...

WASHINGTON, March 8, 2011 /PRNewswire-USNewswire/ -- The American Lung Association today released Toxic Air: The Case for Cleaning Up Coal-fired Power Plants, a new report that documents the range of hazardous air pollutants emitted from power plants and the urgent need to clean them up to protect public health. The report highlights the wide range of uncontrolled pollutants from these plants including: toxic metals and metal-like substances such as arsenic and lead; mercury; dioxins;...

WASHINGTON, March 3, 2011 /PRNewswire-USNewswire/ -- The Environmental Protection Agency's proposed changes to federal standards regulating ozone could inflict serious harm on America's economy, job growth and consumers, said Gregory Scott, executive vice president and general counsel of NPRA, the National Petrochemical & Refiners Association, in a statement today to an EPA advisory panel. "The proposed NAAQS for ozone will have a great, and potentially very negative, impact on the...