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Monday, December 10, 2007
> > Home > Pollutants > Criteria Air Contaminants and Related Pollutants > Particulate Matter (PM) > Main Emission Sources
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Main Emission Sources

PM 2.5/10

Estimated total TPM, PM10 and PM2.5emissions in year 2005 were:

CACWith Open SourcesWithout Open Sources
TPM17,573,269 tonnes768,717 tonnes
PM105,829,674 tonnes424,519 tonnes
PM2.51,259,826 tonnes310,879 tonnes

Open sources (paved and unpaved roads, construction, agriculture, forest fires, etc) make up 94% of total particulate matter, 90% of total PM10 emissions and 64% of total PM2.5 emissions

The distribution of emissions among contributing source categories for the two PM size fractions is illustrated in the pie charts below.

TPM Emission-Year 2005
(Without Open Sources - % of Total)

 

TPM Emission-Year 2005
(With Open Sources - % of Total)

PM10 Emission-Year 2005
(Without Open Sources - % of Total)

PM10 Emission-Year 2005
(With Open Sources - % of Total)

PM2.5 Emission-Year 2005
(Without Open Sources - % of Total)

PM2.5 Emission-Year 2005
(With Open Sources - % of Total)

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