Judgment_paragraph 57 · Sdruzhenie 'Za Zemyata – dostap do pravosadie' and Others v Izpalnitelen director na Izpalnitelna agentsia po okolna sreda and 'TETS Maritsa iztok 2' EAD (C-375/21)

57According to the Court’s case-law, such standards relate to specific qualitative requirements, relating to concentrations of polluting substances, that must be met at a given time by the particular medium concerned (see, to that effect, judgment of 26 May 2011, Stichting Natuur en Milieu and Others, C‑165/09 to C‑167/09, EU:C:2011:348, paragraph 62).