An ad hoc Expert Group for Environmental Hazards was established, drawing on experts in the field and stakeholders identified by the sectoral working groups. The Expert Group is examining whether to, and if so how, environmental hazards should be covered by the existing systems with hazard communication requirements in Canada, and will provide recommendations back to the individual sectoral working groups.
| GHS | Category 1 | Category 2 | Category 3 |
![]() Warning Very toxic to aquatic life |
No symbol No signal word Toxic to aquatic life |
No symbol No signal word Harmful to aquatic life |
|
| CC | Pending discussion of ad hoc Expert Group on Environmental Hazards | Pending discussion of ad hoc Expert Group on Environmental Hazards | Pending discussion of ad hoc Expert Group on Environmental Hazards |
| PCP | Pending discussion of ad hoc Expert Group on Environmental Hazards | Pending discussion of ad hoc Expert Group on Environmental Hazards | Pending discussion of ad hoc Expert Group on Environmental Hazards |
| TDG* | Yes | Yes | Yes |
| WHMIS | Pending discussion of ad hoc Expert Group on Environmental Hazards | Pending discussion of ad hoc Expert Group on Environmental Hazards | Pending discussion of ad hoc Expert Group on Environmental Hazards |
*TDG: Criteria will be applied. Labelling required only if no other hazard labelled.
Criteria not ready for implementation. The Organization for Economic Co-operation and Development (OECD) is currently revising these criteria.
| GHS | Category 1 | Category 2 | Category 3 | Category 4 |
![]() Warning Very toxic to aquatic life with long lasting effects |
![]() No signal word Toxic to aquatic life with long lasting effects |
No symbol No signal word Harmful to aquatic life with long lasting effects |
No symbol No signal word May cause long lasting harmful effects to aquatic life |
|
| CC | Criteria not ready for implementation. |
Criteria not ready for implementation. |
Criteria not ready for implementation. |
Criteria not ready for implementation. |
| PCP | No | No | No | No |
| TDG | No | No | No | No |
| WHMIS | Criteria not ready for implementation. | Criteria not ready for implementation. | Criteria not ready for implementation. | Criteria not ready for implementation. |