RT null T1 PFAS and dl-POPs in Air by Expert Laboratory [Pacific] A2 Fiedler, Heidelore K1 air pollution K1 persistent organic pollutant K1 Asia and the Pacific YR 2020 FD 2020-10 LK https://wedocs.unep.org/handle/20.500.11822/38694 UL https://wedocs.unep.org/handle/20.500.11822/38694 DS UN Environment Document Repository RD Sep 18, 2026