Substance - based search

This advanced search facilitate the access to the National Pollutant Release Inventory Data based on substance, facility, year, type of industries and location.

Location - based search

Quick access to National Pollutant Release Inventory (NPRI) and Criteria Air Contaminant (CAC) emissions inventory data in your community using a geographic search. Please note that the CAC emissions data is only available for the year 2000.

(recommended for slow connections)

Interactive On-line Mapping tool

Quick access to National Pollutant Release Inventory (NPRI) and Criteria Air Contaminant Emissions Inventory (CAC) data in your community using an interactive On-line Mapping tool.

(broadband connection recommended)

National Emissions Inventory of Criteria Air Contaminants (CAC)

Check out the 2000 CAC Emissions Inventory to find out about the sources of 7 key air pollutants in the Canadian environment. These substances, along with ammonia, contribute to poor air quality and smog.

Please note that the NPRI On-Line Data Search has been modified to combine on-site and off-site disposals into a single activity. (For more information see 2001 National Overview - Summary of 2001 Data, NPRI section 2.2.3)