You must notify Comcare if you use / manage hazardous chemicals listed in schedule 11 of the Work Health and Safety Regulations and you:
- exceed the manifest quantity
- identify a significant change in the risk of the use, handling or storage
- cease operations
- manage a pipeline used to transfer listed chemicals that crosses into a public place, or
- abandon an underground, partially underground or fully mounded tank that was used to store flammable gases or flammable liquids.