Definition(s)
Geothermal Fluid
Geothermal fluid means all steam, water, and water vapour, and every mixture of all or any of them (which mixture may include gases), that has been heated within the earth by natural phenomena to a temperature of 70°C or more.
Source: Health and Safety in Employment (Mining Administration) Regulations 1996, SR 1996/220, New Zealand, as of January 2011. Regulations