(1) This regulation applies to a gas company that conveys natural gas through a transmission pipeline.
(2) The gas company must test or cause to be tested the natural gas it conveys in accordance with this regulation to ensure that the gas meets the prescribed standard of quality referred to in regulation 45(a).
(3) The gas company must test or cause to be tested the Wobbe Index of the natural gas it conveys by using—
(a) an instrument that determines the Wobbe Index at least once every 6 minutes; or
(b) an instrument that determines the Wobbe Index that is of a class approved by Energy Safe Victoria.
(4) The gas company must test or cause to be tested the hydrogen sulphide content of the natural gas it conveys by using—
(a) an instrument that determines the hydrogen sulphide content at least once every 6 minutes; or
(b) an instrument that determines the hydrogen sulphide content that is of a class approved by Energy Safe Victoria.
(5) The gas company must ensure that a test of the Wobbe Index or hydrogen sulphide content of the natural gas it conveys is carried out in accordance with methods—
(a) accredited by NATA; or
(b) approved by Energy Safe
Victoria.