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Table 6 Percent contribution to TEQ of top five substances

From: Identifying potential exposure reduction priorities using regional rankings based on emissions of known and suspected carcinogens to outdoor air in Canada

   Percent contribution to top 5 TEQ
Rank Province Arsenic Benzo[a]pyrene Benzene TCDD 1,3-butadiene Lead Benzo[b]fluoranthene
1 Quebec 51 33 12 2   2  
2 Ontario 48 14 32 2   3  
3 New Brunswick 88 4 5 1   2  
4 British Columbia 18 54 23 2    3
5 Alberta 24 8 62   4 2  
6 Newfoundland Labrador 60 18 16 5   1  
7 Manitoba 49 11 35 2 2   
8 Nova Scotia 17 30 40 10 3   
9 Saskatchewan 12 17 64 3 4   
10 Prince Edward Island 7 32 44 14 3   
11 Northwest Territories 56 15 21 6   2  
12 Yukon 30 16 46 5 3   
13 Nunavut 63 21 10 5 1