Hazardous substances

hazardous substances signThese substances can readily explode, burn, oxidise or corrode and/or be toxic to people and ecosystems.

Everyday products such as paints, cleaners, and batteries can actually pose a hazard to our health and environment. These household items and all commercial or large quantities of hazardous waste and special waste need special handling consideration and must be disposed of safely.

The information in this section is available to download in our information sheet:

Hazardous Substances: A Guide for Business Owners [PDF, 925 KB].

Further information

The Council can provide some general HSNO information. If the area is a workplace however, contact the Ministry of Business, Innovation and Employment (formerly the Department of Labour) for more information on HSNO in this area. Their time and advice is free and impartial.

Please note: All advice that Council Hazardous Substances Officers give, as well as their time during an inspection, is free. Please contact a Council Hazardous Substances Officer.

Controlling hazardous substances

Find out about the HSNO Act 1996 and how it is administered by the Environmental Protection Agency.

Managing hazardous substances

If hazardous substances are stored at your business, it is important that all rules are followed.


Certification is the responsibility of the employer and is mandatory. It helps your workers to work safely around hazardous substances.