Ammonia: main emission sources

Estimated total NH₃ emissions in Canada in year 2010 were 469 kilotonnes (with open sources e.g. forest fires, prescribed burning). The primary emitting sources are:

• Agricultural animals
• Pesticide and fertilizer application
• Chemicals industry
• Other industrial sources (e.g. petroleum refineries, pulp and paper mills)
• Transportation (mainly gasoline fuelled cars and trucks)

Pie chart of NH3 emissions for 2010. 61 percent represents agriculture (animals), 28 percent fertiliser application, 5 percent transportation, 4 percent other sources and 2 percent chemicals industry.