TABLE 3.

Air hazard data sources

Data source	Jurisdiction	Hazards monitored
National Pollutant Release Inventory (NPRI)	Environment Canada Regulated under Canadian Environmental Protection Agency (1999)	Release and transfer of key industrial pollutants
Criteria Air Contaminant (CAC) emissions inventory	Environment Canada (reporting requirements under ozone annex to Canada – US Air Quality Agreement)	Selected air pollutants: particulate matter, nitrogen dioxide (NO2), volatile organic compounds, carbon monoxide, ammonia
National Air Pollution Surveillance (NAPS) Network	Environment Canada and provinces/territories (gazetted memorandum of understanding)	Ambient air pollution in urban centres
Canadian Air and Precipitation Monitoring Network (CAPMoN)	Environment Canada and provinces/territories	Selected air pollutants and acid rain; spatial and temporal patterns
Integrated Atmospheric Deposition Network (IADN)	Environment Canada and US Environmental Protection Agency (Annex 15 of the Great Lakes Water Quality Agreement)	Priority toxic chemicals, polychlorinated biphenyls (PCBs), polycyclic aromatic hydrocarbons (PAHs), organochlorine pesticides, mercury; in air and precipitation in the Great Lakes region
Canadian Atmospheric Mercury Measurement Network (CAMNet)	Environment Canada	Mercury
CORE Network Database	Environment Canada	Atmospheric chemicals and radiation
Air Quality Forecasts and Advisories	Environment Canada/provincial level	Selected air pollutants
Georgia Basin – Puget Sound International Airshed Strategy	Health Canada, British Columbia, Washington state	Air quality conditions by postal code