Atmospheric Mercury Monitoring in Canada

Pierrette Blanchard1*, Dave MacTavish1, Leiming Zhang1, Robert Tordon1, John Dalziel1, Brian Wiens1, Rachel Mintz1, Laurier Poissant1, Alexandra Steffen1, Vincent St. Louis2 and Jennifer Graydon2

Atmospheric mercury measurements have been conducted at several Canadian sites to support Environment Canada’s mercury science program. These measurements have been done at sites of the Canadian Air and Precipitation Monitoring Network (CAPMoN) as well as in the vicinity of industrial facilities. Gaseous mercury, mercury in precipitation and speciated mercury are being measured. Efforts are underway to coordinate the Canadian program with the NADP-MDN Mercury Strategy. This presentation will outline the objectives of the monitoring project in the context of the Canadian mercury science program; discuss the on-going activities and present preliminary results of atmospheric mercury.

1* Air Quality Research Division, Science & Technology Branch, Environment Canada, 4905 Dufferin Street, Toronto, Ontario, M3H 5T4, 416-739-5701,
1 Environment Canada
2 University of Alberta