Emission estimate guide for primary aluminum producers: chapter 1

2. Description of the industry

This section provides a description of the primary aluminium industry in Canada. Firstly, to avoid ambiguity when reading this guide, here is a brief definition of the terms used, as proposed by the NPRI.

Primary aluminium production: Aluminium produced directly from the electrolysis of alumina.

Primary aluminium processing: Refining aluminium by any process; rolling, drawing, casting, extruding and alloying of aluminium to produce basic shapes.

Note: These definitions may be modified over the years. Readers should therefore check the NPRI for the most recent definitions.

Primary aluminium production and processing industries that comply with the above definitions are listed under the following North American Industry Classification System (NAICS)* codes:

  • 3313 - Alumina and Aluminum Production Processing
  • 33131 - Alumina and Aluminum Production Processing
  • 331313 - Primary Alumina and Aluminum Production
  • 331317 - Aluminum Rolling, Drawing, Extruding and Alloying

Note: Other NAICS codes (2007) may also apply to this sector.

* Source: Statistics Canada, North American Industry Classification System (NAICS) 2007.

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