RT null T1 GMP Background under the Stockholm Convention A2 Magulova, Katarina K1 persistent organic pollutant YR 2018 FD 2018 LK https://wedocs.unep.org/handle/20.500.11822/26469 UL https://wedocs.unep.org/handle/20.500.11822/26469 DS UN Environment Document Repository RD Sep 17, 2026