(2) Subject to subsection (3), every Class A ship of 1,000 tons, gross tonnage, or over, shall be provided with appliances whereby fire-smothering gas can be rapidly conveyed by a permanent piping system into any compartment for the carriage of cargo and the volume of free gas shall be at least equal to 30 per cent of the gross volume of the largest hold in the ship that is capable of being effectively closed, except that steam may be substituted for smothering gas in any ship in which there are available boilers capable of generating 1 kg of steam per hour for each 0.75 m of the gross volume of the largest hold in the ship.

‘ancillary services’ means all services necessary for access to and the operation of transmission networks, distribution networks, LNG facilities, and/or storage facilities, including load balancing, blending and injection of inert gases, but not including facilities reserved exclusively for transmission system operators carrying out their functions.

Those rules and standards should ensure that those gases can technically and safely be injected into, and transported through the natural gas system and should also address their chemical characteristics.

These rules and standards should ensure, that these gases can technically and safely be injected into, and transported through the natural gas system and should also address the chemical characteristics of these gases.

- injection of natural gas or liquefied petroleum gas (LPG) for storage purposes into other geological formations where there is an overriding need for security of gas supply, and where the injection is such as to prevent any present or future danger of deterioration in the quality of any receiving groundwater,

—injection of natural gas or liquefied petroleum gas (LPG) for storage purposes into other geological formations where there is an overriding need for security of gas supply, and where the injection is such as to prevent any present or future danger of deterioration in the quality of any receiving groundwater,