http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Office of Air Quality Planning and Standards.
Info CHIEF, Emission Factor And Inventory Group (MD-14), Office of Air Quality Planning and Standards, U. S. Environmental Protection Agency Research Triangle Park, NC 27711
Description based on: 1900-1998; title from cover screen.
Description based on: 1900-1998; title from cover screen (viewed on 10/15/2002).
Online version of the print publication.
Mode of access: via Internet from the EPA web site. Address as of 10/15/2002: http://www.epa.gov/ttn/chief/trends/trends98/index.html; current access available via PURL.
National air pollutant emission estimates