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Characterization of Major Chemical Components of Fine Particulate Matter in North Carolina
 

Summary: Characterization of Major Chemical Components of Fine
Particulate Matter in North Carolina
Viney P. Aneja, Binyu Wang, and Daniel Q. Tong
Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University,
Raleigh, NC
Hoke Kimball and Joette Steger
North Carolina Division of Air Quality, Raleigh, NC
ABSTRACT
This paper presents measurements of daily sampling of
fine particulate matter (PM2.5) and its major chemical
components at three urban and one rural locations in
North Carolina during 2002. At both urban and rural
sites, the major insoluble component of PM2.5 is organic
matter, and the major soluble components are sulfate
(SO4
2
), ammonium (NH4 ), and nitrate (NO3 ). NH4 is
neutralized mainly by SO4
2
rather than by NO3 , except

  

Source: Aneja, Viney P. - Department of Marine, Earth and Atmospheric Sciences, North Carolina State University

 

Collections: Environmental Sciences and Ecology; Geosciences