Industry Rankings
| Rank | Name | PM2.5 - Particulate Matter <= 2.5 Micrometers |
|---|---|---|
| 1999 | Victor Mine - De Beers Group | 1.06 |
| 1999 | Durez Canada Company Ltd. - Durez Canada Company, Ltd. | 1.06 |
| 2003 | Sorel - Richardson International Ltd. | 1.05 |
| 2003 | Ferrier Comp Stn 13-17 - Cenovus Energy Inc. | 1.05 |
| 2003 | Cintas Boucherville - Cintas Canada Limited | 1.05 |
| 2003 | Meridian Brick - Burlington - Meridian Brick | 1.05 |
| 2003 | NEVIS 12-07-041-22-W4 - Ember Resources Inc. | 1.05 |
| 2003 | Alberni Pacific Sawmill - Western Forest Products Inc. | 1.05 |
| 2003 | Sherbrooke - Groupe Canam inc | 1.05 |
| 2003 | Cintas Langley - Cintas Canada Limited | 1.05 |
| Rank | Name | Province | City | PM2.5 - Particulate Matter <= 2.5 Micrometers | |
|---|---|---|---|---|---|
| 1999 | Victor Mine - De Beers Group | Ontario | Kenora | 1.06 | |
| 1999 | Durez Canada Company Ltd. - Durez Canada Company, Ltd. | Ontario | Fort Erie | 1.06 | |
| 2003 | Sorel - Richardson International Ltd. | Quebec | Sorel | 1.05 | |
| 2003 | Ferrier Comp Stn 13-17 - Cenovus Energy Inc. | Alberta | Alhambra | 1.05 | |
| 2003 | Cintas Boucherville - Cintas Canada Limited | Quebec | Boucherville | 1.05 | |
| 2003 | Meridian Brick - Burlington - Meridian Brick | Ontario | Burlington | 1.05 | |
| 2003 | NEVIS 12-07-041-22-W4 - Ember Resources Inc. | Alberta | Mirror | 1.05 | |
| 2003 | Alberni Pacific Sawmill - Western Forest Products Inc. | British Columbia | Port Alberni | 1.05 | |
| 2003 | Sherbrooke - Groupe Canam inc | Quebec | Sherbrooke | 1.05 | |
| 2003 | Cintas Langley - Cintas Canada Limited | British Columbia | Langley | 1.05 |
