RT null T1 Ozone Day by Department of Industrial Works (DIW) 2016, 16 September 2016, Thailand A1 Thailand, K1 ozone K1 ozone-depleting substance K1 ozone layer K1 Thailand YR 2016 FD 2016 LK https://wedocs.unep.org/handle/20.500.11822/26960 UL https://wedocs.unep.org/handle/20.500.11822/26960 NO Country activities on the occasion of the International Day for the Preservation of the Ozone Layer 2016 DS UN Environment Document Repository RD Sep 25, 2026