Case T-177/19: Judgment of the General Court of 9 June 2021 — Exxonmobil Petroleum & Chemical v ECHA (REACH — Establishment of a list of substances identified with a view to their eventual inclusion in Annex XIV of Regulation (EC) No 1907/2006 — Inclusion of phenanthrene on that list — Articles 57 and 59 of Regulation No 1907/2006 — Manifest error of assessment — Weight of evidence determination — Proportionality — Obligation to state reasons — Right to be heard)