EPA Opens Public Comment on Secondary Air Standards for Nitrogen and Sulfur Oxides/ Agency announces pilot field study on environmental impacts

EPA Opens Public Comment on Secondary Air Standards for Nitrogen and Sulfur Oxides/ Agency announces pilot field study on environmental impacts
http://yosemite.epa.gov/opa/admpress.nsf/0/9E3FC848999850BB852578CC0059F5EF

"After a careful review of the best available science, the U.S. Environmental Protection Agency (EPA) is proposing secondary air quality standards to protect the environment from nitrogen oxides (NOx) and sulfur oxides (SOx). Today's proposal builds on EPA efforts already underway to reduce NOx and SOx emissions."