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1.

The communications of the Member States to the Commission and the other Member States provided for in Article 4 shall have the following content: (a) (i) gross calorific value (GCV) in MJ/m^(3) minimum/maximum; (ii) Wobbe index in MJ/m^(3) minimum/maximum. (b) Gas composition by volume in % of the total content: — C_(1) to C_(5) content in % (sum) minimum/maximum; — N_(2) + CO_(2) content in % minimum/maximum; — CO content in % minimum/maximum; — unsaturated HC content in % minimum/maximum; — hydrogen content in % minimum/maximum. (c) Information on toxic components contained in the gaseous fuel. That communication shall also include either of the following: (a) supply pressure at the inlet of appliances in mbar: nominal/minimum/maximum; (b) (i) supply pressure at the point of delivery in mbar: nominal/minimum/maximum; (ii) admissible pressure loss in the end-user gas installation in mbar: nominal/minimum/maximum.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-01 · Text as adopted (Official Journal); later amendments are not incorporated in this text.