Division 3.2.2.1

The basis of each pipeline reference fuel (G_R, G₂₀, …) shall be gas drawn from a utility gas distribution network, blended, where necessary to meet the corresponding lambda-shift (S_λ) specification in Table 9.1, with an admixture of one or more of the following commercially^f1 available gases:

1. (a)

   Carbon dioxide;

2. (b)

   Ethane;

3. (c)

   Methane;

4. (d)

   Nitrogen;

5. (e)

   Propane.