Dutch ⇄ Bulgarian Czech Danish English Estonian Finnish French German Greek Hungarian Irish Italian Latvian Lithuanian Maltese Polish Portuguese Romanian Slovak Slovene Spanish Swedish

POP-protocol
gen.	1998 Aarhus Protocol on Persistent Organic Pollutants; Aarhus Protocol; Protocol on Persistent Organic Pollutants POPs; Protocol to the 1979 Convention on Long-range Transboundary Air Pollution on Persistent Organic Pollutants