Major pollutants and toxic substances.

Services and information

Criteria air contaminants

Sulphur oxides, nitrogen oxides, particulate matter, VOCs, carbon monoxide, ammonia.

Greenhouse gases and short lived climate pollutants

Climate and Clean Air Coalition, vehicle and engine emissions, brick production, waste management.

Chemical substances management

Assessment and management of chemicals and toxic substances.

Volatile organic compounds

Aerosol and architectural coatings, automotive refinishing, cutback asphalt, printing industry.

Heavy metals

Main emission sources, linkages with smog and acid rain.

Mercury in the environment

Policies, programs, and practical guidance related to mercury.


Online reporting system, compliance, storage, labelling, record keeping, import and export.

Road salts

Code of practice, annual report, salt management and reducing the use of salt.


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