Court of Justice 21 April 2016, C-147/15 (Città Metropolitana di Bari, formerly Provincia di Bari v Edilizia Mastrodonato Srl.)

OPINION OF ADVOCATE GENERAL KOKOTT delivered on 21 April 2016 ( 1 ) Case C‑147/15 Provincia di Bari v Edilizia Mastrodonato srl (Request for a preliminary ruling from the Consiglio di Stato (Council of State, Italy)) ‛Directive 2006/21/EC — Mining waste — Directive 1999/31/EC — Landfill of waste — Backfilling of a disused quarry with waste — Recovery of waste’ I – Introduction 1.