RT null T1 Report of the Seventh Session - GESAMP Reports and Studies No. 1 A1 Joint Group of Experts on the Scientific Aspects of Marine Pollution, K1 marine pollution K1 waste disposal K1 marine environment K1 oil pollution K1 ocean dumping YR 1975 FD 1975 LK https://wedocs.unep.org/handle/20.500.11822/29010 UL https://wedocs.unep.org/handle/20.500.11822/29010 DS UN Environment Document Repository RD Sep 22, 2026