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Table 4-48: Estimated National Emissions of Particulate Matter (PM-10)(a) (Million short tons)

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 19701975198019851990199119921993199419951996199719981999200020012002200320042005200620072008200920102011(R) 2012(R) 2013(R) 201420152016
Total all sources13.027.567.0141.3227.7527.3527.1027.3628.6125.8222.8622.9122.8923.3823.7523.7121.5821.6621.7521.3021.4021.5021.5821.2020.8220.7222.0723.4324.5024.4724.44
Highway vehicles0.480.460.430.410.390.370.350.340.320.300.290.270.260.240.230.210.400.400.390.380.380.370.330.300.280.370.350.330.310.300.29
Off-Highway0.160.210.260.300.330.330.330.340.340.340.340.340.330.340.320.320.360.340.320.300.280.260.260.240.230.220.220.210.200.180.16
Fuel combustion2.872.252.451.541.201.151.181.121.111.180.910.910.841.461.471.491.451.451.451.441.291.140.990.980.980.980.960.940.920.920.92
Industrial processesb7.673.702.751.061.040.990.990.910.910.950.650.670.670.690.710.741.191.201.211.221.241.251.271.161.050.940.950.960.960.960.96
Waste disposal and recycling1.000.370.270.280.270.280.280.330.310.290.450.470.490.470.360.360.290.290.290.290.270.250.240.220.210.190.230.270.310.310.31
Miscellaneousc0.840.570.8537.7424.5424.2323.9624.3325.6222.7720.2220.2520.3120.1920.6520.5817.8817.9918.0917.6617.9418.2218.5018.2918.0818.0119.3720.7221.8021.8021.80

KEY: R = revised.

a Fine particulate matter less than 10 microns. Data include PM without condensable.

b Industrial 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.

NOTE

Details may not add up to totals due to rounding in the source.

SOURCE

U.S. Environmental Protection Agency, Air Emissions Inventories, Air Pollutant Emissions Trends Data, available at https://www.epa.gov/air-emissions-inventories/air-pollutant-emissions-tr... as of Mar. 3, 2017.

Updated: Tuesday, May 23, 2017