Skip to main content

Table 7 Top 5 substances by source (percent) - Quebec

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 total substance emitted
Substance Airports NPRI Rail Res gas Res oil Res wood Roads
Arsenic 2 97 <1 <1 0 1 0
Benzo[a]pyrene 0 65 0 <1 <1 35 0
Benzene <1 <1 <1 <1 0 13 87
TCDD 0 0 0 0 6 94 0
Lead <1 88 <1 0 <1 1 10