Annex V C9 Degradation Test — Chemical Oxygen Demand, Commission Directive 84/449/EEC, (OJ L 251, 19.9.1984, p. 1).
Annex V C9 Degradation Test – Chemical Oxygen Demand, a Bizottság 84/449/EGK irányelve (HL L 251., 1984.9.9., 1. o).