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Proposals Requested for Particulate Matter Research

Release Date: 12/17/2003
Contact Information:


Suzanne Ackerman 202-564-7819 / ackerman.suzanne@epa.gov


(12/17/03) - EPA is seeking research proposals to determine present and future sources of fine and coarse particulate matter (PM) in air, understand how sources vary geographically, and evaluate potential control strategies. The adverse health effects of PM include respiratory and cardiovascular problems. Under the Clean Air Act, EPA has long regulated PM10 - - larger particles up to 10 micrometers wide -- as one of the six criteria air pollutants. In 1997, EPA added new standards for PM 2.5, fine particles smaller than 2.5 micrometers in width. New engine and fuel diesel regulations to take effect in 2007 will further reduce PM emissions. EPA Administrator Mike Leavitt recently signed proposed regulations that will steeply cut sulfur dioxide (SO2) and nitrogen oxides (NOx) in power plant emissions, two gases that contribute to PM formation. Six to seven awards will be made for a total of $3 million through EPA’s Science to Achieve Results (STAR) program. Research applications must be received by March 31, 2004. More information is available at: http://es.epa.gov/ncer/rfa/2004/2004_source_pm.html . To read the most recent air proposals, go to: http://www.epa.gov/interstateairquality .