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HSNO Activities - Certification, Qualifications & Licensing
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Certification, Qualifications & Licensing

WorkSafe New Zealand issues approvals for hazardous substance compliance applications under the Hazardous Substance and New Organisms (HSNO) Act. This work is undertaken on behalf of the Environmental Protection Authority (EPA) and includes HSNO certification, qualifications and licensing of people, sites and equipment.


Certification of People

A person may need to verify their knowledge and skills to manage very hazardous substances, or to fill or test compressed gas containers.

  • Approved Handlers: If you handle or store hazardous substances you may need an Approved Handler test certificate.
  • Approved Fillers: Anyone filling compressed gas containers with gas must be an approved filler. This applies to all compressed gases, including air.
  • Controlled substance licences: A Controlled Substance Licence (CSL) is required to possess certain explosives, vertebrate toxic agents or fumigants.
  • Test certifiers: Test certifiers issue test certificates for people, sites and equipment to ensure that they are compliant with the regulations. Includes information on Test Certifier Performance Standards.
  • Periodic testers: Periodic testers test and certify compressed gas cylinders.
  • Enforcement officers: Enforcement officers are appointed by enforcement agencies.



Certification of Sites

Certificates for hazardous substance locations, stationary container systems, explosive magazines and containers, and outdoor pyrotechnic displays.



Certification of Equipment, Buildings & Plants

  • Applications for reduction in separation distance
  • Certificates for the design and construction of tanks and stationary container systems and tank wagons
  • Approvals or gas cylinders and fire extinguishers, vaporisers, burners and dispensers.



Hazardous Substances Compliance Fees

WorkSafe New Zealand applies fees for processing hazardous substance applications



Last updated 24 January 2017


On Monday 4 April 2016, the New Health and Safety at Work Act 2015 (HSWA) came into effect.

HSWA repeals the Health and Safety in Employment Act 1992, with immediate effect.

All references to the 1992 Act on this website and within our guidance will be progressively removed.