1. Air Quality Processes Research Section, Environment and Climate Change Canada, 4905 Dufferin St, Toronto, ON M3H 5T4, Canada
2. College of the Environment and Ecology, Xiamen University, Xiamen 361005, China
3. Science and Risk Assessment Directorate, Environment and Climate Change Canada, Burlington, ON L7S 1A1, Canada
4. Water Science and Technology Directorate, Environment and Climate Change Canada, Burlington, ON L7S 1A1, Canada