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Estimated U.S. Emissions of Particulate Matter (PM-10)
(Million short tons)
Details may not add up to totals due to rounding in the source.
KEY: R = revised.
a Fine particulate matter less than 10 microns. Data include PM without condensable.
bIndustrial processes consists of chemical and allied product manufacturing, metals processing, petroleum and related industries, other industrial processes; solvent utilization; and storage and transport.
c In 1985 there appears to be a spike in Miscellaneous emissions. This is likely due to a methodological change, and the EPA does not change historical data when it changes its methodology.
U.S. Environmental Protection Agency, Air Emissions Inventories, Air Pollutant Emissions Trends Data, table Average Annual Emissions, available at https://www.epa.gov/air-emissions-inventories/air-pollutant-emissions-tr... as of Jun. 3, 2019.