Case C-650/15 P: Judgment of the Court (First Chamber) of 25 October 2017 — Polyelectrolyte Producers Group GEIE (PPG), SNF SAS v European Chemicals Agency, Kingdom of the Netherlands, European Commission (Appeal — Regulation (EC) No 1907/2006 (REACH) — Article 57 — Substances of very high concern — Identification — Article 2(8)(b) — Exemption — Article 3(15) — Definition of ‘intermediate’ — Acrylamide)