Petroleum and Gas (Safety) Regulation 2018
sec.73Prescribed odour for fuel gas
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sec.73 Prescribed odour for fuel gas
For section 627 of the Act , the prescribed odour is an odour that— is distinct, unpleasant and non-persistent; and is of an intensity indicating the presence of gas down to one-fifth of the lower flammability limit; and for LPG—exists throughout the LPG’s vaporisation range from its liquid state. LPG is taken to have the prescribed odour if it contains 25g of ethyl mercaptan for each tonne of liquid LPG. Subsection (1) does not apply in relation to hydrogen if— the hydrogen is supplied to a hydrogen fuel gas system; and the person who supplies the hydrogen complies with part 7.1 of the hydrogen safety code in relation to the hydrogen. In this section— lower flammability limit means the lowest concentration of the fuel gas in air that will ignite. s 73 amd 2023 SL No. 102 s 6 (sec.73-ssec.1) For section 627 of the Act , the prescribed odour is an odour that— is distinct, unpleasant and non-persistent; and is of an intensity indicating the presence of gas down to one-fifth of the lower flammability limit; and for LPG—exists throughout the LPG’s vaporisation range from its liquid state. (sec.73-ssec.2) LPG is taken to have the prescribed odour if it contains 25g of ethyl mercaptan for each tonne of liquid LPG. (sec.73-ssec.3) Subsection (1) does not apply in relation to hydrogen if— the hydrogen is supplied to a hydrogen fuel gas system; and the person who supplies the hydrogen complies with part 7.1 of the hydrogen safety code in relation to the hydrogen. (sec.73-ssec.4) In this section— lower flammability limit means the lowest concentration of the fuel gas in air that will ignite.
- (a) is distinct, unpleasant and non-persistent; and
- (b) is of an intensity indicating the presence of gas down to one-fifth of the lower flammability limit; and
- (c) for LPG—exists throughout the LPG’s vaporisation range from its liquid state.
- (a) the hydrogen is supplied to a hydrogen fuel gas system; and
- (b) the person who supplies the hydrogen complies with part 7.1 of the hydrogen safety code in relation to the hydrogen.