Order of the Court (First Chamber) of 6 February 2019.#Solvay Chemicals GmbH v Bundesrepublik Deutschland.#Request for a preliminary ruling from the Verwaltungsgericht Berlin.#Reference for a preliminary ruling — Environment — Scheme for greenhouse gas emission allowance trading within the European Union — Directive 2003/87/EC — Monitoring plan — Regulation (EU) No 601/2012 — Second subparagraph of Article 49(1) — Point 20 of Annex IV — Calculation of the emissions of an installation — Subtraction of carbon dioxide (CO2) transferred — Exclusion of CO2 used in the production of precipitated calcium carbonate — Assessment of the validity of the exclusion.#Case C-561/18.