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Table 4 Contribution of sources to rank by province and territory

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

   Percent of Indicator by emission source
   Industry Transportation Residential heating
Rank Region NPRI Airports Rail Roads Gas Oil Wood
1 Quebec 71 1 <1 11 <1 <1 17
2 Ontario 49 3 <1 31 1 <1 15
3 New Brunswick 88 1 <1 5 <1 <1 6
4 British Columbia 54 7 <1 22 <1 <1 17
5 Alberta 14 10 <1 62 2 <1 12
6 Newfoundland Labrador 56 3 <1 14 <1 1 26
7 Manitoba 41 8 <1 35 1 <1 16
8 Nova Scotia 11 5 <1 37 <1 3 44
9 Saskatchewan 4 10 1 62 2 <1 21
10 Prince Edward Island 1 4 0 40 <1 6 48
11 Northwest Terr. 2 53 <1 19 1 2 22
12 Yukon 0 29 <1 45 1 1 24
13 Nunavut <1 63 0 6 0 0 31