Aquatic and Atmospheric Sciences Division, Environmental Conservation Branch, Environment Canada, #700 1200 West 73rd Ave, Vancouver, BC V6P 6H9 Canada
Air Quality Processes Research Division, Meteorological Service of Canada, 4905 Dufferin Street, Toronto, ON M3H 5T4 Canada
Air Quality Processes Research Division, Meteorological Service of Canada, Centre For Atmospheric Research Experiments, R.R. #1, Egbert, ON L0L 1N0 Canada