NATIONAL AIR POLLUTANT EMISSION TRENDS: 1900-1998
ABOUT THE REPORT
The National Air Pollutant Emission Trends Report, 1900-1998 document
presents the estimate of national emissions of the criteria
air pollutants. The emissions of each pollutant are estimated for many
different source categories, which collectively account for all anthropogenic
emissions. The Report presents the total emissions from all 50 states.
These estimates are updated annually. The emission trends are the net
effect of many factors, including changes in the nation's economy and
in industrial activity, technology, consumption of fuels, traffic, and
other activities that cause air pollution. The trends also reflect changes
in emissions as a result of air pollution regulations and emission controls.
These annual reports will serve as a measure of our nation's progress
in reducing air pollution emissions as a result of mandatory and voluntary
controls and of continuous changes in national activity.
For the latest trends information, visit the Air
Pollutant Emission Trends Web Site.
NATIONAL AIR POLLUTANT EMISSION TRENDS:
1900-1998
(March 2000) EPA 454/R-00-002
Hard copies of the Trends report are available from the National Technical
Information Service (NTIS) in Springfield, Virginia. The document order
number is PB2000-108054. The phone number is (800)553-6847. The NTIS web
address is http://www.ntis.gov/
For the latest trends information, visit the Air
Pollutant Emission Trends Web Site.
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