Clasificación de empresas
| Rango | Nombre | Benzene, methyl- | 
|---|---|---|
| 1 | Suncor Energy Inc. Oil Sands - Suncor Energy Oil Sands Limited Partnership | 485.64 | 
| 2 | Syncrude Canada Ltd - Syncrude Canada Ltd. | 162.44 | 
| 3 | Rollstamp - 90 Snidercroft Rd. - Magna Exteriors Inc. | 136.76 | 
| 4 | Durapaint Brampton - Durapaint Industries | 95.94 | 
| 5 | Canadian Technical Tape - Cornwall Plant - Intertape Polymer Inc. | 91.43 | 
| 6 | Stedfast - Stedfast Inc. | 91.36 | 
| 7 | Imperial Oil Nanticoke Refinery - Imperial Oil | 67.60 | 
| 8 | Co-op Refinery Complex - Consumers' Co-operative Refineries Limited | 59.85 | 
| 9 | BELLEVILLE, ONTARIO - Durabla Canada Ltd. | 59.20 | 
| 10 | Aluminerie de Deschambault - Compagnie de gestion Alcoa - Lauralco | 46.36 | 
| Rango | Nombre | Provincia | Ciudad | Benzene, methyl- | |
|---|---|---|---|---|---|
| 1 | Suncor Energy Inc. Oil Sands - Suncor Energy Oil Sands Limited Partnership | Alberta | Fort McMurray | 485.64 | |
| 2 | Syncrude Canada Ltd - Syncrude Canada Ltd. | Alberta | Fort McMurray | 162.44 | |
| 3 | Rollstamp - 90 Snidercroft Rd. - Magna Exteriors Inc. | Ontario | Concord | 136.76 | |
| 4 | Durapaint Brampton - Durapaint Industries | Ontario | Brampton | 95.94 | |
| 5 | Canadian Technical Tape - Cornwall Plant - Intertape Polymer Inc. | Ontario | Cornwall | 91.43 | |
| 6 | Stedfast - Stedfast Inc. | Quebec | Granby | 91.36 | |
| 7 | Imperial Oil Nanticoke Refinery - Imperial Oil | Ontario | Nanticoke | 67.60 | |
| 8 | Co-op Refinery Complex - Consumers' Co-operative Refineries Limited | Saskatchewan | Regina | 59.85 | |
| 9 | BELLEVILLE, ONTARIO - Durabla Canada Ltd. | Ontario | Belleville | 59.20 | |
| 10 | Aluminerie de Deschambault - Compagnie de gestion Alcoa - Lauralco | Quebec | Deschambault | 46.36 |