"Hazardous Substances" means

the same meaning as in Section 344 of the Resource Management Act 1991 and shall also include any substances

1. with one or more of the following intrinsic properties:
   
   
   • an explosive nature
   • an oxidising nature
   • a corrosive nature
   • flammability
   • acute and chronic toxicity
   • ecotoxicity with or without bioaccumulation
2. which in contact with air or water (other than air and water where the temperature or pressure has been artificially increased or decreased) generates a substance with any or more of the properties specified in paragraph (a) of this definition.

"Hazardous Facility" means any activity involving hazardous substances and their sites where hazardous substances are used, stored, handled or disposed of, and any installations or vehicles parked on site that contain hazardous substances. A hazardous facility does not include:

• the incidental use and storage of hazardous substances in minimal domestic quantities
• fuel in motor vehicles, boats and small engines
• retail outlets for the domestic scale usage of hazardous substances (ie, supermarkets, hardware shops, pharmacies, home garden centres)
• gas and oil pipelines
• trade waste sewers.

"Hazardous Sub-Facility" means any activity involving hazardous substances, including vehicles for their transport and the land or building on or within which hazardous substances are used, stored, handled and disposed of, where that activity is more than 30 metres from any other activity involving the use, storage, handling or disposal of hazardous substances within that same site.

"Height" in relation to a building means the greater of :

1. The vertical distance between the highest part of the building and mean ground level; or
2. The vertical distance between the ground level at any point and the highest part of the building immediately above that point. For the purpose of this definition :

"Ground Level" means the finished level of an approved subdivision

"Mean Ground Level" means the average ground level at the external foundations of the proposed building.